Ford v. Sentry Casualty Co. , 365 Mont. 405 ( 2012 )


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  •                                                                                                 July 24 2012
    DA 11-0427
    IN THE SUPREME COURT OF THE STATE OF MONTANA
    
    2012 MT 156
    RICHARD FORD,
    Petitioner and Appellant,
    v.
    SENTRY CASUALTY COMPANY,
    Respondent and Appellee.
    APPEAL FROM:            Montana Workers’ Compensation Court, WCC No. 2010-2503
    Honorable James Jeremiah Shea, Presiding Judge
    COUNSEL OF RECORD:
    For Appellant:
    Patrick R. Sheehy, Halverson, Sheehy & Plath, P.C., Billings, Montana
    For Appellee:
    Kelly M. Wills, Jeffrey B. Smith, Garlington, Lohn & Robinson, PLLP,
    Missoula, Montana
    Submitted on Briefs: April 11, 2012
    Decided: July 24, 2012
    Filed:
    __________________________________________
    Clerk
    Justice James C. Nelson delivered the Opinion of the Court.
    ¶1     Richard Ford suffered a work-related injury to his neck. He was diagnosed with a
    cervical strain, and Sentry Casualty Company accepted liability and paid benefits for this
    injury. During Ford’s treatment, he underwent an MRI which revealed a more serious
    cervical disc condition. Ford claimed that the workplace accident caused or aggravated
    this condition and that Sentry was liable for surgery to address it. Ford also claimed that
    Sentry was liable for ongoing temporary total disability benefits and that Sentry had
    unreasonably adjusted his claim.
    ¶2     Sentry denied liability for Ford’s cervical disc condition based on the opinions of
    several doctors that the condition was not related to the industrial accident. Sentry also
    maintained that Ford has reached maximum medical improvement, that he has been
    released to return to work without restrictions, and that it reasonably adjusted his claim.
    The dispute ultimately reached the Workers’ Compensation Court (WCC). Trial was
    held January 28, 2011. Ford and his wife testified, and numerous medical records were
    admitted into evidence. The WCC ruled in favor of Sentry as to each of the foregoing
    issues, and Ford now appeals.
    ¶3     The issues and sub-issues raised on appeal are as follows:
    1. Whether the WCC erred in determining that Sentry is not liable for medical
    bills and treatment involving Ford’s cervical disc condition.
    A. Whether the WCC applied an incorrect standard of proof on the question of
    causation.
    B. Whether the WCC erred in relying solely on medical opinions to determine
    causation and aggravation.
    2
    C. Whether the WCC erred in concluding that Ford had not adequately
    demonstrated that the industrial accident caused or aggravated his cervical
    disc condition.
    2. Whether the WCC erred in determining that Sentry is not liable for ongoing
    temporary total disability benefits.
    3. Whether the WCC erred in determining that Sentry is not liable for costs,
    attorney’s fees, or a penalty.
    We affirm as to all three issues. In so doing, we clarify the standards and analysis for
    determining a casual connection between a claimed injury and a workplace accident.
    BACKGROUND
    Circumstances of Ford’s Injury
    ¶4    At the time of the accident, Ford was 38 years old and employed as a yard worker
    with Pacific Hide and Fur in Billings.      Pacific Hide and Fur was enrolled under
    Compensation Plan No. 2 of the Workers’ Compensation Act and insured by Sentry. On
    September 29, 2009, Ford was working when the baler jammed. This machine takes
    scraps of metal, which enter on a conveyor belt, and compresses them into a solid bale of
    metal similar to a bale of hay. Ford and his coworkers were unable to dislodge the
    jammed metal using a cutting torch, so they attempted to pull the metal out of the baler
    using a Ford Ranger pickup truck and a tow chain. They attached one end of the chain to
    the metal and the other end to the tow hook on the front of the pickup. Ford got into the
    pickup, put it in reverse, gave it gas, and popped the clutch. The jammed metal did not
    budge. As a result, when the tow chain became taut, the pickup came to an abrupt stop,
    actually coming off the ground, and Ford’s head “snapped back” with such force that his
    hardhat flew into the back of the crew cab pickup. Ford attempted this maneuver at least
    3
    two more times, with the same results. Eventually, he and his coworkers dislodged the
    metal using a Volvo loader.
    ¶5     On the way home after his shift, Ford felt an ache in the back of his neck down
    into his shoulders and felt stiff and sore. He felt the same way the next morning and also
    had a headache. Although he had experienced occasional headaches in the past, Ford did
    not have neck problems and had never sought medical treatment for headaches or neck
    pain prior to this incident. Ford advised his supervisor of his condition and sought
    medical care at a clinic in Billings.
    ¶6     Over the ensuing months, Ford was seen by a slew of different doctors due to
    ongoing complaints of headaches, neck pain, and numbness and tingling in his fingers.
    After learning the results of his MRI, and based on discussions with one of his doctors,
    Ford concluded that he should undergo surgery to address his cervical disc condition.
    The question then arose as to whether this condition was causally related to the accident
    of September 29. Ford’s doctors were not in unanimous agreement on this point, and it
    therefore became necessary for the WCC, and now this Court, to review the various
    medical opinions, and the bases therefor, in some detail.
    Medical Evaluations and Opinions
    ¶7     Ford was first seen by Adam Mattingly, a physician assistant at the Billings clinic,
    on September 30, 2009. Mattingly diagnosed Ford has having suffered a cervical strain.
    He recommended physical therapy and certain restrictions on Ford’s physical activities.
    Ford did not find the physical therapy beneficial, however, and continued to complain of
    neck pain and intermittent numbness and tingling in his fingers.
    4
    ¶8     Ford underwent a cervical MRI on October 20. The MRI revealed degenerative
    changes in Ford’s cervical spine, most significantly at the C5-6 and C6-7 levels. There
    was disc desiccation, disc space narrowing, posterior bony ridging and disc bulge, and a
    foraminal disc herniation which compromised the right neural foramen.
    ¶9     Mattingly referred Ford to a neurosurgeon, Eric Schubert, M.D., who saw Ford on
    three occasions in November and December 2009. Based on Ford’s medical history, the
    MRI results, and a neurological examination, Dr. Schubert opined that the degenerative
    changes shown on Ford’s MRI “were certainly present” before the work-related accident,
    with the possible exception of a disc protrusion or herniation at the C5-6 level which
    Dr. Schubert stated “may have occurred” at the time of the accident. Dr. Schubert
    theorized that Ford had an underlying asymptomatic degenerative lesion which “could
    have become” symptomatic as a result of the accident. He noted, however, that Ford’s
    cervical condition did not fit with his complaints of numbness and tingling in his fingers,
    i.e., there was “some mismatch of his radicular symptoms with the cervical pathology.”
    ¶10    Dr. Schubert opined that surgery may have “some role” in Ford’s treatment, but he
    advised Ford that he wanted to exhaust nonsurgical treatment options first. Dr. Schubert
    recommended a cervical epidural steroid injection. When this did not provide relief, he
    ordered a second epidural steroid injection and recommended that Ford undergo bilateral
    electromyography and nerve conduction velocity (EMG/NCV) studies of the upper
    extremities. Ford underwent the EMG/NCV studies on December 4. The studies did not
    reveal any evidence of radiculopathy (i.e., disease of the spinal nerve roots from
    inflammation or impingement) or other neuropathies in either arm.
    5
    ¶11   Dr. Schubert reevaluated Ford on December 23. Based on Ford’s report that his
    symptoms still persisted, and given the fairly significant findings on the MRI,
    Dr. Schubert concluded that “the better part of valor is to offer surgery and, if [Ford]
    wishes, to proceed with surgical treatment” (specifically, a two-level anterior cervical
    discectomy and fusion at C5-6 and C6-7). Dr. Schubert noted that he had reviewed the
    MRI images with another neurosurgeon who agreed that Ford’s cervical pathology
    “should be fixed.” Dr. Schubert advised Ford, however, that the potential benefit of
    surgery was about a 50 percent chance of significant improvement in his neck pain and
    no likely change in his hand symptoms.
    ¶12   Meanwhile, at Mattingly’s request, Ford was evaluated by Scott Ross, M.D., an
    occupational medicine specialist, who became Ford’s treating physician and continued to
    evaluate Ford on roughly a monthly basis. At their first visit, on December 4, Dr. Ross
    thoroughly reviewed Ford’s available medical records, questioned Ford about his current
    status, and conducted a physical examination. Dr. Ross noted that Ford was continuing
    to report pain in the posterior neck region, but there was “no point localization or point
    specificity” to the complaints. Nor was there any “consistent pattern or periodicity” to
    the complaints; rather, “they vary from day to day per his report.” Dr. Ross inspected the
    posterior region of Ford’s neck and found no redness, puffiness, swelling, discoloration,
    edema, or bony step-off in the midline. When Dr. Ross made light touch palpations in
    the neck region, Ford gave “exaggerated/embellished” pain responses (in Dr. Ross’s
    opinion). As for Ford’s appearance and mobility, Dr. Ross observed that
    6
    Mr. Ford is seated comfortably in the exam chair during today’s lengthy
    interview. He does not shift about uncomfortably, nor does he appear
    uncomfortable. Throughout the interview, he is freely and fully moving his
    head and neck. He is able to easily rotate and extend his neck when
    looking up at the “Pain Chart” mounted on the exam room cupboard,
    performing this task without limitation or pain complaint. He stands
    without assistance, difficulty, or pain complaint.         He is able to
    dress/undress without assistance or difficulty. He moves about during
    today’s examination without difficulty or pain. He doffed his long sleeved
    T-shirt without difficulty, using both upper extremities – no pain
    complaints. At the conclusion of today’s physical examination, he donned
    his long sleeved T-shirt without difficulty, and donned his jacket without
    difficulty, utilizing both upper extremities. He also donned his knitted cap
    at the end of today’s physical exam, utilizing both upper extremities to
    position the cap, performing this task without difficulty.
    ¶13   Dr. Ross found no “objective correlation” between his physical examination of
    Ford and Ford’s subjective complaints of neck pain. Likewise, Dr. Ross noted that
    Ford’s complaints of numbness and tingling in his fingers were not consistent with the
    EMG/NCV studies, which had revealed no electrodiagnostic abnormality. Dr. Ross
    assessed Ford has having a cervical strain and recommended that Ford undergo a
    psychological evaluation. Dr. Schubert concurred in this recommendation. As to Ford’s
    request for pain medication, Dr. Ross noted that Ford had been prescribed “significant
    quantities” of narcotic pain medication since October and that Dr. Schubert had recently
    prescribed a one-month supply. Dr. Ross thus denied Ford’s request.
    ¶14   Joseph McElhinny, Psy.D., conducted the psychological evaluation of Ford on
    December 30 and then issued a report based on his review of Ford’s post-injury medical
    records, his clinical interview with Ford, a Personality Assessment Inventory, and a
    Survey of Pain Attitudes. Dr. McElhinny concluded that Ford has a somatoform pain
    disorder that is being fueled by depression. Dr. McElhinny observed that Ford seemed
    7
    unhappy, had very low self-insight into his own affective functioning, and focused on
    external causes for his unhappiness. Dr. McElhinny opined that Ford exhibits physical
    symptomatology, like high levels of pain, in lieu of emotional distress. Dr. McElhinny
    also posited that Ford’s response to pain-producing stimuli is exaggerated because of
    Ford’s prior methamphetamine use.1 Dr. McElhinny observed that “Mr. Ford has a
    number of antisocial personality features which come into play when he is seeking
    medical care and treatment.          He is prone to manipulative behaviors (almost
    automatically).” Dr. McElhinny thus cautioned medical care providers to “use only
    objective medical evidence when prescribing treatments for this man.”
    ¶15     In a letter to Sentry that is undated but appears to have been written following the
    psychological evaluation, Dr. Schubert reiterated his opinion that Ford has a cervical
    condition which “may very well be” the cause of his neck pain and which warrants
    surgical treatment. Although Ford’s subjective complaints of pain did not correlate with
    objective medical findings on physical examination, Dr. Schubert noted that “many
    surgical candidates with significant axial skeletal pain with significant degenerative
    pathology unresponsive to medical or non-operative therapy do not have objective
    findings on examination and very often do well with surgery in terms of symptom relief.”
    Dr. Schubert recommended that Ford be referred for a second neurosurgical opinion.
    ¶16     Steven Speth, M.D., an orthopedic spine surgeon, evaluated Ford on March 11,
    2010.       He diagnosed Ford with cervical spondylosis (i.e., degenerative disc disease
    1
    Ford admitted at trial in the WCC that he had been addicted to methamphetamine
    in the past. Ford testified that he completed treatment for his addiction and had not used
    methamphetamine since 2003.
    8
    resulting in compression of the nerve roots), and congenital and acquired stenosis
    (abnormal narrowing of the open spaces within the spine) at C5-6. He found “objective
    evidence for surgery in that there is significant cord flattening and some subtle signal
    change within the cord.” He thus recommended that Ford proceed with Dr. Schubert’s
    proposed treatment. Dr. Speth provided “no opinion regarding causation,” however.
    ¶17    Dr. Ross reevaluated Ford in January, March, and April 2010. His assessments at
    these evaluations were more or less the same as his original December 4 assessment:
    Ford made subjective complaints of diffuse and generalized posterior neck pain and
    headaches, but Dr. Ross found no objective correlation on physical examination.
    Notably, Dr. Ross twice recorded “an examination inconsistency.” Specifically, Ford
    reported pain to light touch palpation over the posterior spinous processes in the cervical
    midline; however, “when distracted,” firm palpation pressure in this same region elicited
    no pain response whatsoever.      At the January 11 evaluation, Dr. Ross noted that
    “throughout today’s interview, Mr. Ford is freely, fluidly, and fully moving his cervical
    spine, including flexion, extension, lateral bending, and rotation; in fact, he exhibits
    excellent range of motion of the cervical spine.” Likewise, at the March 16 evaluation,
    Dr. Ross noted that Ford was seated comfortably in the exam chair during the interview,
    was “cheerful, smiling, and joking throughout today’s evaluation,” and was moving his
    head and neck “freely and fully . . . without limitation, restriction, or pain complaint.”
    Dr. Ross made similar observations at the April 12 evaluation.
    ¶18    Dr. Ross’s last evaluation of Ford occurred May 17, 2010.          Ford reported a
    reduction in the frequency and intensity of his headaches. He also reported that his neck
    9
    pain was minimal in intensity, describing it as “just annoying,” without radicular-type
    symptoms into either upper extremity. Ford had been walking approximately one mile
    per day and was able to lift his three-year-old son, who weighed approximately
    40 pounds. Dr. Ross observed Ford moving his head, neck, and both upper extremities
    fully and freely, without limitation, restriction, or pain complaint. Ford reported no pain
    to palpation over the posterior spinous processes in the cervical midline.
    ¶19    Based on this evaluation, Dr. Ross concluded that Ford had reached “maximum
    medical improvement” from the September 29 work incident. Dr. Ross opined “[o]n a
    medically more probable than not basis” that the accident had caused “a temporary
    aggravation” of Ford’s preexisting cervical spine condition and that Ford had now
    returned to his “baseline status.” Dr. Ross thus released Ford “to regular and unrestricted
    work duties,” noting there were “no permanent limitations or restrictions” attributable to
    the work incident. As for the proposed surgery, Dr. Ross stated “[o]n a medically more
    probable than not basis” that Ford’s need for a two-level anterior cervical discectomy and
    fusion “is not causally related to/attributable to” the work incident. Rather, in Dr. Ross’s
    opinion, “[a]ny surgery contemplated at this time is attributable to the preexisting
    cervical spondylosis and congenital/acquired spinal stenosis.”
    ¶20    Henry Gary, M.D., a neurosurgeon, conducted an independent medical
    examination of Ford on July 20. He reviewed the available medical records, including
    Ford’s MRI, took Ford’s history, and performed a physical examination. Ford reported
    neck pain and numbness in certain fingers. He also complained of daily headaches,
    which were “on and off all day long” but lessened somewhat with the use of Percocet.
    10
    Ford reported that he had recently developed a new type of headache, which Dr. Gary
    thought might be migrainous. Dr. Gary opined that this type of headache could be related
    to Ford’s ongoing use of narcotic medication.
    ¶21    Dr. Gary diagnosed Ford with chronic cervical strain. In Dr. Gary’s opinion, “on a
    more probable than not basis,” Ford’s cervical disc condition “preceded” the industrial
    injury and was “not caused by the injury.” He noted that there is a “possibility” that
    some disc herniation “could have occurred” with the accident, but he stated that it is
    “impossible” to determine whether or not it did due to the absence of a pre-injury MRI.
    Dr. Gary agreed with Drs. Schubert and Speth that Ford needs surgery to address his
    underlying degenerative disc disease.       Dr. Gary also agreed with the procedure
    recommended by Dr. Schubert. Importantly, however, Dr. Gary stated that in his opinion
    “surgery is necessary because of the radiographic findings and not because of the
    symptoms that [Ford] is complaining of.” In his opinion, Ford’s present pain “is related
    to the cervical strain injury” rather than “the underlying degenerative disc disease, which
    is a separate issue.” In this regard, Dr. Gary noted that Ford’s complaints of neck pain,
    headaches, and episodic numbness and tingling in certain fingers do “not correlate well”
    with the MRI findings, but are “consistent with” a cervical strain injury. Dr. Gary was
    “not optimistic,” therefore, that surgery would significantly alter Ford’s symptoms.
    ¶22    Upon receipt of Dr. Gary’s report, Sentry desired to obtain “a consensus opinion”
    as to whether Ford’s need for cervical spine surgery is causally related to the accident.
    Responding to Sentry’s inquiry, Dr. Ross indicated that he would defer to the spine
    surgeons (Drs. Schubert, Speth, and Gary) regarding the necessity for surgery. But as to
    11
    the underlying cause, Dr. Ross stated that he agreed with Dr. Gary: on a medically more
    probable than not basis, any contemplated surgery is “attributable to the preexisting and
    radiographically confirmed cervical spondylosis, degenerative disk disease, and
    congenital/acquired spinal stenosis, and not attributable to the 09/29/09 cervical strain.”
    ¶23    Dr. Schubert also responded to Sentry’s inquiry. In his opinion, Ford had suffered
    “cervical strain from essentially a ‘whiplash’ mechanism of injury.” Dr. Schubert noted
    that Ford’s MRI findings were consistent with “typical degenerative changes” and “most
    likely predated his injury.” He stated that Ford “could have” become symptomatic from
    a preexisting degenerative problem, but he classified this as “a medical possibility and
    not as a medical probability.” Dr. Schubert suggested that the contemplated surgery
    would not necessarily resolve Ford’s headaches and neck pain:
    While I believe that surgery is effective in some cases of neck pain
    refractory to non-operative treatments and without radicular symptoms but
    with significant degenerative changes, I think that it’s [sic] success rate for
    significant improvement is in the 50% range at best and this without
    confounding factors. I think that sometimes headaches from muscle spasm
    compensatory or secondary to degenerative spine conditions can sometimes
    improve[;] however . . . if this occurs this is an extra “bonus” of the
    procedure, but not something that can be expected as headaches have so
    many other causes other th[a]n cervical muscle spasm. I think in the
    majority of cases, headaches associated with neck pain do not respond to
    surgical treatment. . . . Surgery for essentially axial neck pain in the face of
    degenerative changes is at best a 50/50 chance of improvement in
    symptoms without confounding factors. [Emphasis added.]
    Dr. Schubert concluded: “[G]iven that Mr. Ford does have confounding issues and
    particularly in light of his neuropsychological evaluation by Dr. McElhinny, I think he
    would be a very poor candidate for surgery and would [be] very unlikely to have
    significant relief of his symptoms.”
    12
    ¶24    The last doctor to provide an opinion on Ford’s condition is John Moseley, M.D.,
    MS, PC. Dr. Moseley, a neurosurgeon, conducted an independent medical examination
    of Ford on September 23, 2010. He diagnosed Ford with cervical radiculopathy (i.e.,
    irritation of a cervical nerve root due to a cervical disc herniation) and posttraumatic
    headache. He opined, “within a reasonable degree of medical probability,” that the work
    incident aggravated Ford’s preexisting cervical spine condition by causing the discs at the
    C5-6 and C6-7 levels to bulge significantly enough to compress and impinge his spinal
    cord. Dr. Moseley detailed his reasoning as follows:
    The objective medical evidence which supports this finding is the fact that
    Mr. Ford has never had cervical spine symptoms or cervical radiculopathy
    before this injury occurred. He denies having any symptoms at all before
    this injury. There are no medical records of any cervical spine complaints
    before the 09/29/09 injury. I performed many operations on cervical
    conditions very similar to Mr. Ford’s condition over the course of my
    career as a neurosurgeon. In my experience, patient’s [sic] with Mr. Ford’s
    degree of cervical radiculopathy involvement as shown on the 10/20/09
    MRI seek medical treatment urgently. The fact that Mr. Ford immediately
    sought medical treatment one day after his injury and that his cervical
    radiculopathy symptoms have continued more or less in the same
    timeframe, leads me to conclude within a reasonability [sic] degree of
    medical probability that his injury produced a material and substantiation
    [sic] aggravation of his cervical disk disease, i.e., bulging disk significant to
    cause symptoms. Other factors which influence my opinion are the nature
    of the injury itself. Rapid hyperextension and flexion of the cervical spine
    is one of the most common methods of causing or substantially aggravating
    disks in the cervical spine. His description of his injury and onset of
    symptoms is common, in my experience.
    ¶25    Dr. Gary reviewed Dr. Moseley’s assessment. In a December 22, 2010 letter to
    Sentry, he stated that he disagreed with the diagnosis of cervical radiculopathy. Dr. Gary
    pointed out that Ford had not described “a true radiculopathy, as he has no radiating pain
    from the neck out the arms.” Dr. Gary noted that he had found no objective findings of
    13
    radiculopathy in his evaluation of Ford and that neither Dr. Schubert nor Dr. Ross had
    described a radiculopathy or a radiculitis in their medical reports. Dr. Gary was thus “at a
    loss as to why Dr. Moseley would classify this as a radiculopathy with discrepancy in the
    sensory findings.” In any event, Dr. Gary concluded that if Ford had in fact developed
    symptoms of radiculopathy, it was unrelated to the workplace injury and more likely
    related to progressive cervical spondylitic changes.
    ¶26    Ford testified at trial that his ongoing physical complaints since the accident are
    daily headaches, stiffness and soreness in his neck, and numbness and tingling in some of
    his fingers. He stated that his pain medications lessen his symptoms but that his pain has
    never entirely resolved. Ford testified that he wants surgery on his neck and understands
    that doctors have predicted a 50 percent chance that the procedure will improve his neck
    pain and headaches. He stated that he does not believe he can work presently because he
    does not believe he could find a job that would allow him to take frequent breaks and lie
    down as much as is necessary. Ford currently receives unemployment benefits and has
    conducted job searches as required to maintain those benefits.
    The WCC’s Decision
    ¶27    On the question whether Sentry is liable for medical bills and treatment involving
    Ford’s cervical disc condition, the WCC noted that the parties’ dispute centered on
    whether the industrial accident had caused or aggravated the condition. In this regard, the
    WCC observed that Dr. Moseley had opined Ford’s cervical disc herniation occurred in
    the accident, while Drs. Schubert and Gary thought this was possible but could not say
    with a reasonable degree of medical certainty that the accident had caused the herniation.
    14
    As to which of these opinions it would give more weight, the WCC noted that the opinion
    of a treating physician is generally accorded greater weight than the opinions of other
    expert witnesses, although it is not conclusive. See EBI/Orion Group v. Blythe, 
    1998 MT 90
    , ¶¶ 12-13, 
    288 Mont. 356
    , 
    957 P.2d 1134
    . Here, Dr. Schubert treated Ford for his
    cervical condition following the accident, whereas Drs. Gary and Moseley saw Ford for
    independent medical examinations. The WCC also noted that it considers such factors as
    the relative credentials of the physicians and the quality of evidence upon which the
    physicians based their respective opinions. Here, the court observed, no evidence was
    presented giving it grounds to assign greater weight to Dr. Moseley’s opinion than to
    Dr. Schubert’s opinion. Thus, the WCC ruled that “[s]ince Dr. Schubert was unable to
    state with a reasonable degree of medical certainty that Ford’s industrial accident caused
    his cervical disk condition, I conclude that Ford has not proven that his industrial
    accident caused his cervical disk condition.”
    ¶28    As to the issue of aggravation, the WCC distinguished Narum v. Liberty N.W. Ins.
    Corp., 
    2009 MT 127
    , 
    350 Mont. 252
    , 
    206 P.3d 964
    , where this Court concluded that
    Narum had met his statutory burden to show that his industrial accident aggravated his
    preexisting degenerative hip condition, thus requiring hip surgery and other treatments.
    Narum, ¶¶ 26-31. The WCC noted that in Narum, the claimant’s subjective complaints
    of pain correlated with objective medical findings regarding his hip condition, whereas
    Ford’s subjective complaints of pain do not correlate with the objective medical findings
    regarding his cervical disc condition. The WCC reasoned that “[a]lthough Ford clearly
    has ongoing problems from the industrial injury, the medical opinions in evidence
    15
    indicate that the problems from the industrial injury would not be addressed by the
    proposed surgery Ford seeks.” Based on the medical evidence, the WCC concluded “that
    Ford had an asymptomatic cervical disk condition before his industrial injury and
    continues to have an asymptomatic cervical disk condition after his industrial injury.”
    ¶29    The WCC next considered whether Sentry is liable for temporary total disability
    benefits subsequent to Dr. Ross’s May 17, 2010 determination that Ford has reached
    maximum medical improvement. In this regard, the WCC noted that some of Ford’s
    doctors have recommended additional treatment for his symptoms of headaches, neck
    pain, and tingling in his fingers which the court noted “are indisputably related to his
    industrial injury.” The WCC reasoned that it is impossible for an injured worker to be
    simultaneously at maximum medical improvement while still expected to improve with
    further treatment. Nevertheless, the WCC observed that if an injured worker has been
    released to return to his time-of-injury employment, then he is not eligible for temporary
    total disability benefits. Thus, since no doctor had disputed Dr. Ross’s opinion that Ford
    can return to work without restriction, the WCC held that Ford is not entitled to
    temporary total disability benefits.
    ¶30    Lastly, the WCC concluded that since Ford was not the prevailing party, he was
    not entitled to costs, attorney’s fees, or a penalty under §§ 39-71-611 and -2907, MCA.
    STANDARDS OF REVIEW
    ¶31    We review the WCC’s conclusions of law de novo to determine whether they are
    correct. Narum, ¶ 25. We review the WCC’s findings of fact to determine whether they
    are supported by substantial credible evidence. Narum, ¶ 25. In reviewing the WCC’s
    16
    factual findings, we defer to the WCC’s judgment regarding the credibility of witnesses
    who testify in person at trial and the weight to be accorded their testimony. Harrison v.
    Liberty N.W. Ins. Corp., 
    2008 MT 102
    , ¶ 12, 
    342 Mont. 326
    , 
    181 P.3d 590
    . This is
    because an assessment of testimony is best made upon observation of the witness’s
    demeanor and consideration of other intangibles that are only evident during live
    testimony. Harrison, ¶ 12. Conversely, we are in as good a position as the WCC to
    assess testimony presented by way of deposition, and we thus conduct de novo review of
    deposition testimony. Harrison, ¶ 13. The same principle would apply to the assessment
    of medical opinions provided through written reports, and our review of such medical
    opinions is thus de novo. If there is conflicting evidence, we consider whether substantial
    evidence supports the WCC’s findings, not whether the evidence might support contrary
    findings. Keller v. Liberty N.W., Inc., 
    2010 MT 279
    , ¶ 21, 
    358 Mont. 448
    , 
    246 P.3d 434
    .
    DISCUSSION
    ¶32    The WCC stated that the 2009 version of the Workers Compensation Act
    (Title 39, chapter 71, MCA) governs this case. This is incorrect. The statutes in effect on
    the date of the accident or injury control in workers’ compensation cases. Fleming v. Intl.
    Paper Co., 
    2008 MT 327
    , ¶ 26, 
    346 Mont. 141
    , 
    194 P.3d 77
    . Ford’s accident occurred on
    September 29, 2009. With exceptions not applicable here, “every statute . . . takes effect
    on the first day of October following its passage and approval.” Section 1-2-201(1)(a),
    MCA. Thus, laws enacted by the 2009 Legislature did not take effect until two days after
    Ford’s accident (again, with exceptions not applicable here, see § 1-2-201, MCA). It
    follows, then, that the 2007 version of the Act governs Ford’s claim, and all statutory
    17
    references below are to the 2007 MCA unless otherwise indicated. Although the WCC
    misstated the governing version of the Act, we conclude that the court ultimately reached
    the correct resolution of this case in any event.
    ¶33    Issue 1. Whether the WCC erred in determining that Sentry is not liable for
    medical bills and treatment involving Ford’s cervical disc condition.
    ¶34    Ford, as claimant, bears the burden of proving by a preponderance of the evidence
    that he is entitled to the workers’ compensation benefits sought. Simms v. State Compen.
    Ins. Fund, 
    2005 MT 175
    , ¶ 13, 
    327 Mont. 511
    , 
    116 P.3d 773
    . This includes establishing
    a “causal connection” between his injury and the right to benefits. Fellenberg v. Transp.
    Ins. Co., 
    2005 MT 90
    , ¶ 16, 
    326 Mont. 467
    , 
    110 P.3d 464
    ; Narum, ¶ 28. “ ‘Causation is
    an essential element to an entitlement to benefits and the claimant has the burden of
    proving a causal connection by a preponderance of the evidence.’ ” Fellenberg, ¶ 16
    (quoting Grenz v. Fire & Cas. of Conn., 
    250 Mont. 373
    , 380, 
    820 P.2d 742
    , 746 (1991)).
    ¶35    Ford raises three distinct sub-issues concerning the WCC’s causation analysis and
    asks that we clarify the law in this area. The first pertains to the standard of proof; the
    second concerns the WCC’s reliance solely on medical opinions; and the third involves
    the WCC’s interpretation of the evidence. We address these issues in turn.
    A. Standard of Proof
    ¶36    An insurer is liable for the payment of compensation to an employee who receives
    “an injury arising out of and in the course of employment.” Section 39-71-407(1), MCA.
    The claimant must establish that it is “more probable than not” that (i) a claimed injury
    has occurred or (ii) a claimed injury aggravated a preexisting condition.          Section
    18
    39-71-407(2)(a), MCA. Proof that it was “medically possible” that a claimed injury
    occurred, or that the claimed injury aggravated a preexisting condition, is not sufficient to
    establish liability. Section 39-71-407(2)(b), MCA.
    ¶37    Section 39-71-119, MCA, provides the controlling definitions with regard to the
    injury itself and the requisite causal connection. Burns v. Plum Creek Timber Co., 
    268 Mont. 82
    , 84, 
    885 P.2d 508
    , 509 (1994); § 39-71-407(2)(a), MCA (“An insurer is liable
    for an injury, as defined in 39-71-119, . . . .” (emphasis added)). An “injury” may take
    the form of internal or external physical harm to the body, damage to prosthetic devices
    or appliances, or death. Section 39-71-119(1), MCA. By definition, an “injury” is
    “caused by” an “accident,” i.e., by “an unexpected traumatic incident or unusual strain;
    identifiable by time and place of occurrence; identifiable by member or part of the body
    affected; and caused by a specific event on a single day or during a single work shift.”
    Section 39-71-119(2), MCA. Thus, to be compensable, “there must be an ‘injury’ and an
    ‘accident,’ and the injury must be ‘caused by’ the accident.” Welch v. Am. Mine Servs.,
    
    253 Mont. 76
    , 81, 
    831 P.2d 580
    , 584 (1992).
    ¶38    We read §§ 39-71-407 and -119, MCA, together, not only because the former
    expressly references the latter, but also because “ ‘when interpreting statutes we view
    them as part of a whole statutory scheme, and construe them so as to forward the purpose
    of that scheme.’ ” Tinker v. Mont. State Fund, 
    2009 MT 218
    , ¶ 30, 
    351 Mont. 305
    , 
    211 P.3d 194
     (quoting Vader v. Fleetwood Enters., 
    2009 MT 6
    , ¶ 30, 
    348 Mont. 344
    , 
    201 P.3d 139
    ). Doing so, the statutory standard is clear: the claimant’s burden to establish an
    accident, an injury or aggravation of a preexisting condition, and a causal connection
    19
    between the accident and the injury/aggravation is “more probable than not.” Prillaman
    v. Community Med. Ctr., 
    264 Mont. 134
    , 137, 
    870 P.2d 82
    , 84 (1994) (“[B]y reference [to
    § 39-71-119, MCA], § 39-71-407, MCA, dictates that ‘accident,’ ‘injury’ and ‘causation’
    must be proven by the claimant with the ‘more probable than not’ burden of proof.”).
    ¶39    Ford contends that the WCC failed to apply this standard in his case. The WCC
    began its analysis with a statement of the statutory standard: “an insurer is liable for an
    injury . . . if the claimant establishes that it is more probable than not that the claimed
    injury either occurred or aggravated a preexisting condition” (citing § 39-71-407(2),
    MCA). The WCC then proceeded, however, to use the term “reasonable degree of
    medical certainty” in its analysis and ultimately held that “[s]ince Dr. Schubert was
    unable to state with a reasonable degree of medical certainty that Ford’s industrial
    accident caused his cervical disk condition, I conclude that Ford has not proven that his
    industrial accident caused his cervical disk condition” (emphasis added). Ford argues
    that the WCC erred in holding him to this “medical certainty” standard.
    ¶40    Sentry, on the other hand, argues that the WCC did not hold Ford to the wrong
    standard. Sentry points out that the WCC relied on the reports of Ford’s physicians, all of
    whom expressed their opinions in terms of medical “probability.” At one point in his
    report, Dr. Gary also used the term “reasonable medical certainty”; however, this was in
    his answer to a question posed by Sentry, where Sentry asked Dr. Gary to “please state
    your opinion to a reasonable degree of medical certainty, i.e., medically more probable
    than not.” Sentry opines that the WCC likewise used the terms “medical certainty” and
    “medical probability” synonymously. Sentry contends that this Court and the WCC have
    20
    used these terms interchangeably in prior cases, citing Rightnour v. Kare-Mor, Inc., 
    225 Mont. 187
    , 
    732 P.2d 829
     (1987), Gallagher v. The Wally’s Bar, No. 8405-2458 (Mont.
    WCC Mar. 8, 1985), and Strong v. Jacobs Constructors, No. 8502-2895 (Mont. WCC
    June 19, 1985), as examples. We note that the pertinent portions of the WCC’s orders in
    Gallagher and Strong—which Sentry quotes in its brief—are actually quotations from
    our decision in Dallas v. Burlington N., Inc., 
    212 Mont. 514
    , 
    689 P.2d 273
     (1984).
    ¶41    Implicit in Ford’s and Sentry’s arguments is a dispute about whether “reasonable
    degree of medical certainty” and “more probable than not” are qualitatively different.
    Ford’s position is that the former is a “higher standard” than the latter, while Sentry
    maintains that the two terms are synonymous. We conclude, however, that we need not
    attempt to parse these terms in resolving the standard of proof issue. In Dallas, we
    observed that this Court has generally adhered to a test of “reasonable medical certainty”
    as the basis for admitting medical testimony. 212 Mont. at 522, 
    689 P.2d at 277
    . We
    recognized, however, that this term “is not well understood by the medical profession”
    because “[l]ittle, if anything, is ‘certain’ in science.” Dallas, 212 Mont. at 522-23, 
    689 P.2d at 277
    . We explained that what we are striving for “is a probability rather than a
    possibility” and, thus, that “[o]ur evidentiary standards are satisfied if medical testimony
    is based upon an opinion that it is ‘more likely than not.’ ” Dallas, 212 Mont. at 523, 
    689 P.2d at 277
    . Since then, we have adhered to the proposition that “a medical expert’s
    opinion is admissible if it is based on an opinion that it is ‘more likely than not.’ ” Butler
    v. Domin, 
    2000 MT 312
    , ¶ 13, 
    302 Mont. 452
    , 
    15 P.3d 1189
     (quoting Dallas, 212 Mont.
    at 523, 
    689 P.2d at 277
    ); accord State v. Vernes, 
    2006 MT 32
    , ¶ 15, 
    331 Mont. 129
    , 130
    
    21 P.3d 169
    ; Estate of Willson v. Addison, 
    2011 MT 179
    , ¶ 18, 
    361 Mont. 269
    , 
    258 P.3d 410
    . The “more likely than not” standard assures that the expert testimony or opinion
    “does not represent mere conjecture, but rather is sufficiently probative to be reliable.”
    Vernes, ¶ 18 (citing Dallas, 212 Mont. at 523, 
    689 P.2d at 277
    ).
    ¶42    Subsequent to Dallas, the Legislature incorporated a “more probable than not”
    standard into § 39-71-407, MCA, as the burden which a claimant must satisfy in
    demonstrating accident, injury, and causation. Laws of Montana, 1987, ch. 464, § 11. Of
    course, notwithstanding the particular language used in the statute, we cannot control
    how doctors phrase their opinions and testimony on these issues, and we do not purport to
    do so here. As a result, there may be cases in which a doctor states his or her opinion in
    terms of “a reasonable degree of medical certainty” or fails to state that his or her opinion
    is on a “more probable than not” basis. Nevertheless, the probative force of the opinion
    “is not to be defeated by semantics if it is reasonably apparent that the doctor intends to
    signify a probability supported by some rational basis.” Miller v. Natl. Cabinet Co., 
    168 N.E.2d 811
    , 813 (N.Y. 1960); see also Ins. Co. of N. Am. v. Myers, 
    411 S.W.2d 710
    , 713
    (Tex. 1966) (“Reasonable probability . . . is determinable by consideration of the
    substance of the testimony of the expert witness and does not turn on semantics or on the
    use by the witness of any particular term or phrase.”). Doctors are not lawyers and may
    on occasion phrase medical opinions in medical, rather than legal, terminology.
    ¶43    What is essential is that the WCC applies the correct standard in determining
    whether there was an accident in the course of employment, whether the claimant
    suffered an injury or an aggravation of a preexisting condition, and whether there is a
    22
    causal connection between the accident and the injury/aggravation. That standard is
    “more probable than not.” Here, it is apparent that the WCC recognized the correct
    statutory standard at the outset of its analysis. Regardless of whether the WCC intended
    its subsequent references to “reasonable degree of medical certainty” to mean something
    different, we conclude for the reasons discussed below that the WCC ultimately reached
    the correct result when the “more probable than not” standard is applied to the medical
    evidence at issue. Nevertheless, we note for purposes of future cases that it will facilitate
    this Court’s review on appeal if the WCC frames its analysis in terms of the statutory
    “more probable than not” standard of proof.
    B. Objective Medical Findings
    ¶44    Ford next contends that the WCC erred in relying solely on medical opinions to
    determine causation or aggravation. Ford recognizes that an injury must be established
    “by objective medical findings.” Section 39-71-407(2)(a), MCA. As noted, “injury”
    includes internal physical harm to the body, § 39-71-119(1)(a), MCA, and Ford contends
    that there is overwhelming objective medical evidence that he has internal physical harm
    to his body, namely, a cervical disc condition. Ford then asserts that once a claimant has
    provided objective medical findings of internal harm to the body, all the claimant must
    establish under § 39-71-407(2)(a)(ii), MCA, is that it is more probable than not that his
    injury aggravated his preexisting condition. Ford maintains that the evidence bearing on
    this question need not be limited to medical opinions. He quotes our statement in Boyd v.
    Zurich Am. Ins. Co., 
    2010 MT 52
    , ¶ 22, 
    355 Mont. 336
    , 
    227 P.3d 1026
    , that “claimants
    are not required to prove causation through medical expertise or opinion.” For the
    23
    reasons which follow, however, we conclude that this statement in Boyd is an incorrect
    statement of the law and must accordingly be overruled.            Pursuant to workers’
    compensation laws in effect since July 1, 1995, a claimant is required to establish injury
    and causation through objective medical findings.
    ¶45   As authority for the proposition that “claimants are not required to prove causation
    through medical expertise or opinion,” the Court in Boyd cited Plainbull v. Transamerica
    Ins. Co., 
    264 Mont. 120
    , 
    870 P.2d 76
     (1994), and Prillaman, 
    264 Mont. 134
    , 
    870 P.2d 82
    . Plainbull involved the 1989 version of § 39-71-407(2), MCA, which states:
    (a) An insurer is liable for an injury as defined in 39-71-119 if the
    claimant establishes it is more probable than not that:
    (i) a claimed injury has occurred; or
    (ii) a claimed injury aggravated a preexisting condition.
    (b) Proof that it was medically possible that a claimed injury
    occurred or that such claimed injury aggravated a preexisting condition is
    not sufficient to establish liability.
    Interpreting this language, the WCC held that medical testimony is required to establish
    the requisite causal connection, i.e., that it is “medically more probable than not” that a
    work-related accident caused the condition at issue. Plainbull, 264 Mont. at 125, 
    870 P.2d at 80
     (emphasis added, internal quotation marks omitted). This Court, however,
    held that nothing in § 39-71-407(2)(a), MCA (1989), requires a medical opinion as to
    whether the injury actually occurred and whether it was caused by the accident.
    Plainbull, 264 Mont. at 125, 
    870 P.2d at 79-80
    .
    Under our present statutory scheme, all that the legislature has required of a
    claimant is that he establish that it is “more probable than not” that his
    injury or aggravation of a preexisting condition occur[red] out of and in the
    course of his employment and . . . that the injury cause[d] the condition for
    which he is seeking workers’ compensation benefits. Whether the claimant
    24
    chooses to meet that burden with medical evidence, non-medical evidence
    or a combination of both, is up to him and, obviously, depends on the facts
    and circumstances of his particular case, the nature of the claimed injury,
    and the evidence available.
    Plainbull, 264 Mont. at 126, 
    870 P.2d at 80
    .
    ¶46    Prillaman involved the same question: whether the WCC erred in concluding that
    medical opinion evidence was required to establish injury and causation. 264 Mont. at
    135, 
    870 P.2d at 83
    . Interpreting the 1991 version of § 39-71-407(2), MCA, which is
    identical to the 1989 version, we concluded that a claimant is not required to prove
    occurrence under § 39-71-407(2), MCA, and, by reference, causation under § 39-71-119,
    MCA, by use of medical opinion evidence. Prillaman, 264 Mont. at 137, 
    870 P.2d at 84
    .
    Since the WCC had considered only the doctors’ medical opinions as to these issues, we
    reversed and remanded with instructions to “consider and weigh all testimony, whether
    ‘medical opinion evidence’ or not.” Prillaman, 264 Mont. at 139-40, 
    870 P.2d at 85
    .
    ¶47    Subsequent to these decisions, the Legislature amended § 39-71-407, MCA, and
    thereby abrogated Plainbull and Prillaman, by inserting the following italicized language
    into subsection (2)(a): “An insurer is liable for an injury, as defined in 39-71-119, if the
    injury is established by objective medical findings and if the claimant establishes that it is
    more probable than not that: (i) a claimed injury has occurred; or (ii) a claimed injury
    aggravated a preexisting condition.” Laws of Montana, 1995, ch. 243, § 8 (italics in
    original).2 The Legislature also added a new subsection which states: “An employee is
    not eligible for benefits payable under this chapter unless the entitlement to benefits is
    2
    Subsection (2)(a) remained unchanged until 2011, when additional language was
    inserted and it was renumbered (3)(a). See Laws of Montana, 2011, ch. 167, § 8.
    25
    established by objective medical findings that contain sufficient factual and historical
    information concerning the relationship of the worker’s condition to the original injury.”
    Laws of Montana, 1995, ch. 243, § 8 (italics omitted), formerly codified at
    § 39-71-407(7), MCA (2007), and presently codified at § 39-71-407(10), MCA (2011).
    Furthermore, the Legislature added the following italicized language to the definition of
    “injury” in § 39-71-119(1), MCA: “(a) internal or external physical harm to the body
    that is established by objective medical findings; . . . .” Laws of Montana, 1995, ch. 243,
    § 6 (italics in original).
    ¶48    As discussed, we interpret §§ 39-71-407(2) and -119, MCA, together. See ¶ 38,
    supra; Prillaman, 264 Mont. at 137, 
    870 P.2d at 84
    . Again, to constitute an “injury,” the
    internal or external physical harm to the claimant’s body must have been “caused by” a
    work-related accident. Section 39-71-119(1)(a), (2), MCA. In other words, a causal
    connection between the claimant’s physical condition and a work-related accident is an
    integral part of establishing a compensable “injury” under § 39-71-407(2)(a), MCA. That
    “injury,” and “the entitlement to benefits” generally, must be established by objective
    medical findings. Section 39-71-407(2)(a), (7), MCA. It follows, then, that not only the
    physical harm but also the causal connection must be established by objective medical
    findings. Indeed, that was the plain intent of the Legislature’s 1995 amendments to these
    statutes subsequent to our decisions in Plainbull and Prillaman.
    ¶49    For these reasons, we overrule the statement in Boyd, ¶ 22, that “claimants are not
    required to prove causation through medical expertise or opinion.”          Claimants are
    required to establish injury and causation by objective medical findings. Accordingly,
    26
    contrary to Ford’s argument, the WCC did not err by relying solely on medical opinions
    to determine causation or aggravation in this case.
    C. Evaluation of the Evidence
    ¶50    Lastly, Ford claims the WCC erred in concluding that he did not prove a causal
    connection between his industrial accident and his cervical disc condition. Sentry, on the
    other hand, argues that the medical evidence establishes, more probably than not, that
    Ford sustained a cervical strain injury in the accident and that the accident did not cause
    or aggravate his underlying cervical condition. We agree with Sentry.
    ¶51    There is no dispute that Ford has a cervical spine condition for which surgical
    treatment has been recommended. There also is no dispute that certain MRI findings,
    such as the bony ridging, could not have developed in the 21 days between the accident
    and the MRI and, therefore, must have been present before the accident. And there is no
    dispute that Ford suffered some sort of physical harm from the repeated “snapping back”
    motions when he tried to dislodge the jammed metal from the baler. What is in dispute is
    the particular harm Ford suffered—a cervical strain, or damage to his cervical discs for
    which surgery is required. In other words, is it more probable than not that Ford’s spinal
    condition for which he seeks surgery was caused by the accident?
    ¶52    Dr. Ross is an occupational medicine specialist who was Ford’s primary treating
    physician for six months. Dr. Schubert was Ford’s treating neurosurgeon for two months.
    Dr. Gary, also a neurosurgeon, saw Ford for an independent medical examination. All
    three doctors agreed that Ford suffered a cervical strain from essentially a “whiplash”
    mechanism of injury. All three doctors agreed that the degenerative changes shown on
    27
    Ford’s MRI were present before the accident. Drs. Schubert and Gary opined that some
    disc herniation could have occurred with the accident, but that this was only a medical
    “possibility” and not a medical “probability.”     All three doctors agreed that Ford’s
    subjective complaints did not correlate well or fit with his cervical pathology shown on
    the MRI. All three doctors agreed that the recommended surgery was necessary to
    address Ford’s preexisting and radiographically confirmed degenerative spine condition,
    and not to address the symptoms that he was complaining of. None of the three doctors
    was optimistic that surgery would significantly improve Ford’s pain complaints.
    Dr. Schubert stated that any improvement in Ford’s headaches would be a “bonus” of the
    surgical procedure, rather than an expected result, and that surgery for axial neck pain in
    the face of degenerative changes had at best a 50/50 chance of improvement in symptoms
    without confounding factors. Drs. Ross and Gary expressed their opinions on a “more
    probable than not” basis. Dr. Schubert expressed his opinions in terms of medical
    “probabilities.”
    ¶53    Dr. Moseley is the only doctor to have offered an opinion that Ford suffered
    something more than a cervical strain injury. Dr. Moseley, also a neurosurgeon, saw
    Ford for an independent medical examination. He opined, “within a reasonable degree of
    medical probability,” that the accident had caused the discs at the C5-6 and C6-7 levels to
    bulge significantly enough to compress and impinge Ford’s spinal cord. The bases of this
    opinion were: Ford was asymptomatic prior to the accident; in Dr. Moseley’s experience,
    patients with the sort of cervical pathology shown on Ford’s MRI seek medical treatment
    urgently; Ford immediately sought medical treatment one day after his injury; Ford’s
    28
    symptoms have continued; and rapid hyperextension and flexion of the cervical spine is
    one of the most common methods of aggravating discs in the cervical spine.
    ¶54    Ford contends that Dr. Moseley’s opinion is the only medical opinion that fits all
    the facts of this case and that the WCC erred in crediting Dr. Schubert’s and Dr. Gary’s
    opinions over Dr. Moseley’s. He presents essentially three arguments in this regard.
    ¶55    First, Ford argues that a cervical strain diagnosis cannot be correct because he
    underwent treatments for cervical strain and his symptoms persisted nonetheless. Ford
    testified that he faithfully complied with his physical therapy but that it did not provide
    lasting relief, and he notes that the WCC found him to be a credible witness. Ford fails to
    acknowledge, however, other explanations for his ongoing symptoms. It was precisely
    because he continued to complain of pain—despite the absence of any objective findings
    in the MRI results or on the physical examinations to explain his complaints—that
    Drs. Ross and Schubert concurred in sending Ford for a psychological evaluation.
    Dr. McElhinny determined that Ford has a somatoform pain disorder which is being
    fueled by depression; that Ford is more likely to exhibit physical symptomatology, like
    high levels of pain, in lieu of emotional distress; that Ford is prone to “manipulative
    behaviors” when seeking medical care and treatment; and that medical care providers,
    therefore, should use only “objective medical evidence” when prescribing treatments for
    Ford. Ford’s pain complaints must be viewed in light of Dr. McElhinny’s unrefuted
    assessment. In addition, Dr. Gary opined that Ford’s migrainous headaches could be
    related to his chronic use of narcotic medication, as opposed to his cervical disc
    condition. Hence, given the medical evidence, the fact that Ford reported he did not
    29
    experience relief from the cervical strain treatments does not make the cervical strain
    diagnosis—in which three of his physicians concurred—less probable.
    ¶56   Second, although Drs. Schubert and Gary stated that some disc herniation in the
    accident was a medical “possibility,” but not a medical “probability,” Ford nevertheless
    contends that we can infer he suffered damage to his cervical discs given the onset of his
    symptoms and the mechanism of his injury. Specifically, Ford states that he lacked neck
    symptoms before the accident; that repetitive hyperextension and flexion of the cervical
    spine is known to aggravate degenerative cervical spine conditions; that he had an
    immediate onset of symptoms following the accident; and that if his cervical disc
    condition was as bad before the accident as it appeared on the MRI taken after the
    accident, then he surely would have had symptoms and sought medical attention prior to
    the accident. Dr. Moseley engaged in the very same reasoning.
    ¶57   The fact that Ford had an immediate onset of symptoms following the accident,
    however, does not necessarily establish that the accident more probably than not caused
    or aggravated his cervical disc condition. Rather, the crux of Dr. Moseley’s opinion, and
    of Ford’s argument, is that Ford would have been in pain prior to the accident if his
    cervical condition, as shown on his post-injury MRI, did in fact exist prior to the
    accident. Yet, as Drs. Ross, Schubert, and Gary attested, Ford’s subjective complaints do
    not correlate or fit with what is shown on the MRI. Dr. Moseley is alone in suggesting
    the contrary, and the persuasive value of his opinion is low. For one thing, unlike the
    reports of Drs. Ross, Schubert, and Gary, there is no indication in Dr. Moseley’s report
    that he specifically took Dr. McElhinny’s findings into account. Moreover, in reviewing
    30
    Dr. Moseley’s diagnosis of cervical radiculopathy, Dr. Gary pointed out that Ford had not
    described “a true radiculopathy” and that there were no objective findings of
    radiculopathy in Ford’s medical records. Lastly, Dr. Moseley did not document or cite
    any objective findings specific to his examination of Ford, but instead relied on
    generalizations about his past experiences with other patients.
    ¶58    Third, Ford contends that Dr. Schubert’s opinion should be rejected because
    Dr. Schubert allegedly changed his diagnosis and treatment recommendation “simply to
    run with the herd and avoid a deposition or trial testimony.” There is absolutely no
    evidence in the record, however, substantiating the theory that Dr. Schubert tailored his
    medical opinions for such purposes.          Moreover, contrary to Ford’s argument,
    Dr. Schubert never said that Ford’s neck pain and headaches were more probably than
    not attributable to the disc problems shown on his MRI or that Ford had more probably
    than not suffered an aggravation of his cervical disc condition. What Dr. Schubert said in
    his early reports was that a disc herniation “may have occurred” at the time of the
    accident, that Ford’s underlying asymptomatic degenerative condition “could have
    become” symptomatic as a result of the accident, and that Ford’s cervical condition
    “may” be the cause of his neck pain. It is clear that Dr. Schubert was reluctant to give a
    definitive opinion on causation at this stage. On the other hand, it is noteworthy that
    Dr. Schubert consistently viewed surgery as necessary primarily to address Ford’s
    preexisting degenerative spine condition, and only incidentally to address Ford’s pain.
    Dr. Schubert’s position has always been that the surgical procedure to address Ford’s
    31
    cervical spine condition has at best a 50/50 chance of also providing significant
    improvement in Ford’s neck pain, with no likely change in his hand symptoms
    ¶59   Although they are not conclusive, the opinions of Ford’s treating physicians
    (Drs. Ross and Schubert) are entitled to greater weight than the opinions of the other
    expert witnesses. EBI/Orion Group, ¶¶ 12-13. We agree with the WCC that no grounds
    exist in the record for weighing Dr. Moseley’s opinion more heavily than the opinions of
    Ford’s treating physicians. Based on all of the medical opinions in this case, we conclude
    it is more probable than not that Ford suffered a cervical strain injury on September 29,
    2009, and that the recommended surgery is necessary to address his preexisting
    degenerative spine condition rather than an injury or condition resulting from the
    accident. The WCC’s determination that Ford failed in his burden to establish causation
    is accordingly affirmed.
    ¶60   Issue 2. Whether the WCC erred in determining that Sentry is not liable for
    ongoing temporary total disability benefits.
    ¶61   A worker is eligible for temporary total disability benefits (a) when the worker
    suffers a total loss of wages as a result of an injury and until the worker reaches
    maximum healing, or (b) until the worker has been released to return to the employment
    in which the worker was engaged at the time of the injury or to employment with similar
    physical requirements. Section 39-71-701(1), MCA. The determination of temporary
    total disability must be supported by a preponderance of objective medical findings.
    Section 39-71-701(2), MCA.
    32
    ¶62    Ford contends the WCC erred in concluding that he is not entitled to ongoing
    temporary total disability benefits. He maintains that he “is incapable of working due to
    his cervical disk condition resulting from his industrial accident.” As discussed above,
    however, Ford has failed to establish, on a more probable than not basis, that his cervical
    disc condition was caused by the accident. The objective medical findings establish,
    rather, that it is more probable than not he suffered a cervical strain injury as a result of
    the accident. It is that injury we must assess here.
    ¶63    Following his September 30, 2009 evaluation of Ford (the day after the accident),
    Mattingly released Ford to work with temporary restrictions—specifically, Ford was not
    to lift heavy objects and was to minimize continuous twisting or bending of his neck.
    Ford was released to work with similar temporary restrictions following his subsequent
    visits with Dr. Ross. On May 17, 2010, Dr. Ross concluded that Ford could be released
    “to regular and unrestricted work duties.” Dr. Ross noted that there were “no permanent
    limitations or restrictions” attributable to the accident. He gave Ford a “0% whole person
    impairment” rating per the AMA Guides to the Evaluation of Permanent Impairment,
    6th edition. Dr. Gary, in his July 23, 2010 report, stated that he agreed with this rating.
    ¶64    While Ford disagrees with Dr. Ross’s assessment, the fact remains that no doctor
    has disputed Dr. Ross’s opinion that Ford can return to work without restriction. The
    WCC cited this fact in concluding that Ford is not entitled to temporary total disability
    benefits. As noted, the determination of temporary total disability must be supported by a
    preponderance of objective medical findings. Section 39-71-701(2), MCA. Ford has
    failed to do so, and the WCC’s decision as to this issue is accordingly affirmed.
    33
    ¶65    Issue 3. Whether the WCC erred in determining that Sentry is not liable for
    costs, attorney’s fees, or a penalty.
    ¶66    Because Ford’s claim has not been “adjudged compensable,” he is not entitled to
    costs and attorney’s fees under § 39-71-611, MCA. Nor is he entitled to the 20 percent
    penalty under § 39-71-2907, MCA.
    CONCLUSION
    ¶67    In summary, a workers’ compensation claimant’s burden to establish an accident,
    an injury or aggravation of a preexisting condition, and a causal connection between the
    accident and the injury/aggravation is “more probable than not.” In meeting this burden,
    the claimant must establish injury and causation by objective medical findings. Ford
    failed to meet this burden with respect to his cervical disc condition. He also has not
    established by a preponderance of objective medical findings that he is entitled to
    ongoing temporary total disability benefits subsequent to May 17, 2010.
    ¶68    In closing, we note that Ford has expressed concern in his reply brief regarding
    Sentry’s argument that causation must be established “by objective medical findings.”
    As discussed above at ¶¶ 44-49, we agree with Sentry that §§ 39-71-407 and -119, MCA,
    impose this requirement. Ford fears that such an interpretation will have “huge negative
    implications for Montana workers’ compensation claimants” because in many cases no
    objective medical findings have been developed to establish the baseline state of a
    preexisting condition owing to the fact that the preexisting condition was asymptomatic.
    Ford posits, therefore, that it may be difficult or impossible to establish aggravation of a
    preexisting condition by objective medical findings. Whether or not this is true, however,
    34
    it does not control our resolution of this case. Absent a direct constitutional challenge to
    the statutes, this Court’s role is simply to interpret and apply the statutes as written and
    consistent with legislative intent. Sections 1-2-101, -102, MCA. We must leave it to the
    Legislature to consider Ford’s concerns regarding the ability of claimants to establish
    causation through objective medical findings as the statutes, at present, clearly require.
    ¶69    The July 20, 2011 judgment of the Workers’ Compensation Court is affirmed.
    /S/ JAMES C. NELSON
    We Concur:
    /S/ MIKE McGRATH
    /S/ BETH BAKER
    /S/ MICHAEL E WHEAT
    /S/ JIM RICE
    Justice Michael E Wheat, concurring.
    ¶70    I concur in the Court’s Opinion, although I do so reluctantly, and with two
    caveats.
    ¶71    First, I fear that the “no fault” half of the quid pro quo is on a relentless course
    toward disappearing altogether. In my view, this is a very close case, and, had I been the
    trial judge, I might very well have reached a different result. In the end, however, the
    35
    evidence in the record supports the WCC’s findings, and under our standard of review I
    am compelled to defer to those findings.
    ¶72    Second, I cannot agree with Sentry’s argument that “reasonable degree of medical
    certainty” and “more probable than not” are synonymous and interchangeable. In my
    view, the former is a qualitatively higher burden of proof than the latter. I believe that
    “reasonable degree of medical certainty” is to “more probable than not” as “beyond a
    reasonable doubt” is to “preponderance of the evidence.” That being said, the Court
    concludes that in resolving this case, it is not necessary to address the difference between
    the “more probable than not” and “reasonable degree of medical certainty” standards.
    Opinion, ¶ 41. On the record here, I agree with the Court. I am confident that the WCC,
    in future cases, will consistently apply the statutory standard prescribed by § 39-71-407,
    MCA, regardless of the particular terminology used by physicians.
    ¶73    I concur.
    /S/ MICHAEL E WHEAT
    Chief Justice Mike McGrath joins the Concurrence of Justice Michael E Wheat.
    /S/ MIKE McGRATH
    36
    

Document Info

Docket Number: DA 11-0427

Citation Numbers: 2012 MT 156, 365 Mont. 405

Judges: Baker, McGRATH, Nelson, Rice, Wheat

Filed Date: 7/24/2012

Precedential Status: Precedential

Modified Date: 8/6/2023

Authorities (17)

Butler v. Domin , 302 Mont. 452 ( 2000 )

Narum v. Liberty Northwest Ins. Corp. , 350 Mont. 252 ( 2009 )

Fleming v. International Paper Co. , 346 Mont. 141 ( 2008 )

Dallas v. Burlington Northern, Inc. , 212 Mont. 514 ( 1984 )

State v. Vernes , 331 Mont. 129 ( 2006 )

Estate of Willson v. Addison , 361 Mont. 269 ( 2011 )

Burns v. Plum Creek Timber Co. , 268 Mont. 82 ( 1994 )

EBI/Orion Group v. Blythe , 288 Mont. 356 ( 1998 )

Grenz v. Fire & Casualty of Connecticut , 250 Mont. 373 ( 1991 )

Boyd v. Zurich American Insurance , 355 Mont. 336 ( 2010 )

Fellenberg v. Transportation Insurance , 326 Mont. 467 ( 2005 )

Tinker v. Montana State Fund , 351 Mont. 305 ( 2009 )

Vader v. Fleetwood Enterprises, Inc. , 348 Mont. 344 ( 2009 )

Plainbull v. Transamerica Insurance , 264 Mont. 120 ( 1994 )

Simms v. State Compensation Insurance Fund , 327 Mont. 511 ( 2005 )

Rightnour v. Kare-Mor, Inc. , 225 Mont. 187 ( 1987 )

Harrison v. Liberty Northwest Insurance , 342 Mont. 326 ( 2008 )

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