Claimant seeks medical treatment for her back and asserts the condition was caused by the July 2004 work accident. Both parties agree Claimant sustained an accident that arose out of and in the course of employment. The question is whether the accident caused her current back condition, and the need for additional medical treatment. Employer contends it does not. The parties were asked to submit proposed awards; however no proposed award was received from Claimant.
The claimant in a workers' compensation case must prove all material elements of his Claim, including Second Injury Fund liability. Mielves v. Morris, 422 S.W. 2d 335, 339 (Mo banc 1968). This includes the burden of establishing permanency to a reasonable degree of medical certainty. Griggs v. A.B. Chance Co., 503 S.W.2d 697, 704 (Mo.App.1974). Claimant has the burden to establish she sustained an injury by accident arising out of and in the course of employment and the accident resulted in the alleged injuries. Choate v. Lily Tulip, Inc., 809
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[^0]: ${ }^{4}$ Claimant's pre- 2003 medical records are not in evidence.
S.W.2d 102, 105 (Mo.App. 1991). (Overruled on other grounds by Hampton v. Big Boy Steel Erection, 121 S.W.3d 220, 223 (Mo banc 2003)). ${ }^{5}$
Where two events, one compensable and one not compensable, contribute to alleged disability, it is the claimant's burden to prove the nature and extent of disability attributable to the job related injury. Plaster v. Dayco, 760 S.W.2d 911, 913 (Mo. App. 1988). Where the condition presented is a sophisticated injury that requires surgical intervention or highly scientific techniques for diagnosis, proof of causation is not within the realm of lay understanding, nor in the absence of proper expert opinion, is a finding of causation within the competence of the Commission. Silman v. Wm. Montgomery \& Associates, 891 S.W.2d 173, 175 (Mo.App. 1995).
I find Claimant failed to show the July 2004 accident caused the condition of her low back. At the hearing, Claimant testified she hurt her back in 1997, and it has hurt since that time. Since 1997, she has taken pain medicine. Claimant injured her low back in May 2003 which Dr. Muhammad found unrelated to Claimant's work activities. After the July 2004 accident, Dr. Muhammad diagnosed a lumbar sprain and opined Claimant reached maximum medical improvement by August 5, 2004. Claimant testified she received no additional treatment for her low back.
I find Dr. Hanaway's report is not credible. Dr. Hanaway said he needed to see the 2003 MRI before he could make a diagnosis and recommend treatment. However, he diagnosed discogenic low back problems, without reviewing the 2003 MRI, or medical records for back treatment before 2004. Also, Dr. Hanaway found Claimant permanently and totally disabled, due to a number of physical conditions, including the back, but did not relate the back condition to the July 12, 2004 accident.
Claimant gave Dr. Hannaway a history of chronic back pain since 1997. Claimant said she had taken pain medication for her back since she fell in 1997. MRI results showed degenerative changes at multiple levels of Claimant's low back and Dr. Hannaway did not identify any pre-existing low back disability.
I find credible Dr. Cantrell's opinion that Claimant's symptoms were caused b y chronic lumbar pain and not the July 2004 accident. Dr. Cantrell reviewed Claimant's medical records related to pre-existing low back problems and found numerous low back complaints. Claimant told Dr. Cantrell she had low back pain "four to five years, and the past three years, her symptoms have been constant." Also, Claimant testified she routinely took Ascriptin leading up to the July 2004 accident. At discharge, Claimant reported symptoms were "back to baseline" and "I've had this pain for so many years I am used to it."
Claimant gave inconsistent statements to the therapists; stating she had no back pain but was stiff in the morning and when she lifted a lot. She also said her back was 75 % better, but bothered her all the time. She reported pain of $1 / 10$, which indicated mild discomfort. During Claimant's testimony, I observed her walk with a cane, stand, appear uncomfortable, and sigh.
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[^0]: ${ }^{5}$ Several cases herein were overruled by the Hampton case on unrelated grounds. No further reference will be made to Hampton.
Based on Dr. Cantrell's credible medical reports, medical records, and Claimant's testimony, I find Claimant did not meet her burden to show her low back condition was caused by the July 2004 accident or required additional medical treatment.
All other issues are moot.