Claimant alleges that the injury of March 1999 is the cause of her injuries to her back. As noted in Blackwell:
Claimant has the burden to prove that the injury was work related and that his symptoms were related to that injury. Cook v. Sunnen Product Corp., 937 S.W.2d 221, 223 (Mo.App.E.D. 1996) citing: Fischer v. Archdiocese of St. Louis-Cardinal Ritter Institute, 793 S.W.2d 195 (Mo.App.E.D. 1990) overruled on other grounds Hampton v. Big Boy Steel Erection, 121 S.W.3d (Mo. Banc 2003).
I believe that Claimant has met her burden to prove she suffered a back injury when she slipped and fell on the stairs to the workshop. She testified that she hurt her back at that time but that her shoulder hurt more. The failure to recognize or complain immediately about all the injuries proximately caused by an occupational injury is not an absolute bar to compensation. If
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[^0]: ${ }^{1}$ There is a hint in Employer/Insurer's brief that some of the bills are for other ailments besides the treatment of Claimant's lower back. This award is only for the payment of treatments directly related to Claimant's back and for no other medical charges.
complaints of pain from an injury are far removed from the date of injury, it would naturally go to the credibility of the claim. It is also not a bar that Claimant did not raise her back pain at every possible occasion on her medical visits. See generally: Cass v. City of Rolla, 73 S.W. 3d 884, 888 (Mo.App.S.D. 2002). In the instant case, the claimant clearly gave timely notice to her employer of her injury to her back. Claimant also had treatment at the Bothwell Hospital, Dr. M. Dittmer, Dr. D. Kloster, and finally she had surgery by Dr. Hanson on the L5-S1 level. At his deposition Dr. Hanson believed that the long history of degenerative disc disease was aggravated by her March 1999 fall. (Cl. Exh. I, pp12-13).
The lower back pain that Claimant suffered after her fall radiated down her leg and was sufficiently different to lead me to believe that the fall was a separate injury. Finally, Dr. J. Stuckmeyer noted that the surgery that Dr. Hanson performed would not have been performed to correct the symptoms of fibromyalgia. As Dr. Stuckmeyer noted:
Q. And fibromyalgia could be causing her back pain?
A. Fibromyalgia would not have been the diagnosis that would lead to the development of a surgical instrumentation fusion. I believe I testified there is no surgical procedure for treating fibromyalgia.
Q. On March 99, Ms. Snider slipped but she did not fall, correct. She did not fall to the ground.
A. I believe I commented that she jerked backwards and also commented she did not fall on her buttocks.
Q. And a slip without a fall, could that have caused her low back problems?
A. It could, yes.
Q. Realistically could it have caused the low back problems?
A. Yes, sir.
Q. And even if she wasn't complaining about it until six or seven months after the primary injury?
A. You know, counselor, I believe I have been relatively clear in my response to this. And going back to paragraph 3 and paragraph 4. Based on review of the medical records, I commented that there was a time frame in October of 2000. I commented that there was a consultation predating that with Dr. Ditmore, I believe, describing some radicular type symptoms.
On paragraph 4, I questioned the patient regarding this discrepancy and she commented the most symptomatic symptoms initially were related to the shoulder and cervical spine and she commented however in the fall she suffered injury to her lower back and that her upper extremity condition was addressed, her lower back condition became more symptomatic. That is my recollection of the discussion that I had specific to this discrepancy.
(Cl. Exh. J, pp61-62; see also Depo. Exh. 2, p8).
It is the Commission's duty to determine credibility as the Court in Smith v. Richardson Brothers Roofing noted:
In our review of the foregoing evidence, we have kept in mind that the "Commission is the sole judge of the credibility of the witnesses." Reese v. Gary \& Roger Link, Inc., 5 S.W.3d 522, 525 (Mo.App. 1999). "Additionally, the Commission has sole discretion to determine the weight given to expert opinions." Id. "[T]he extent and percent of disability is a finding of fact within the Commission's discretion and the Commission is not bound by the expert's exact percentages." Jones v. Jefferson City Sch. Dist., 801 S.W.2d 486, 490 (Mo.App. 1990). "The testimony." Id. Hence, " 'when medical theories conflict, deciding which to accept is an issue peculiarly for determination of the Labor and Industrial Relations Commission.' " Grimes v. GAB Bus. Servs., Inc., 988 S.W.2d 636, 641 (Mo.App. 1999) (quoting Hawkins v. Emerson Elec. Co., 676 S.W.2d 872, 877 (Mo.App. 1984)). Smith v. Richardson Brothers Roofing, 32 S.W.3d 568, 575 (Mo.App.S.D. 2000).
I find Claimant credible, and the medical records demonstrated that although she had a history of back complaints, after the fall of March 1999 she had a new and significant injury to her back. This conclusion is based on the opinions of her treating and expert physician and the medical records of her numerous treatments for back pain since March 1999. Copeland v. Thurman Stout, Inc., 204 S.W.3d 737, 743 (Mo.App.S.D. 2006).