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Biomechanical and Clinical Evaluation of a Novel Lesser Tuberosity Repair Technique in Total Shoulder Arthroplasty
Brent A. Ponce, MD; Raj S. Ahluwalia, MD; Augustus D. Mazzocca, MD; Reuben G. Gobezie, MD; Jon J.P. Warner, MD; Peter J. Millett, MD, MSC
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The authors did not receive grants or outside funding in support of their research or preparation of this manuscript. They did not receive payments or other benefits or a commitment or agreement to provide such benefits from a commercial entity. No commercial entity paid or directed, or agreed to pay or direct, any benefits to any research fund, foundation, educational institution, or other charitable or nonprofit organization with which the authors are affiliated or associated.

The Journal of Bone and Joint Surgery, Incorporated
J Bone Joint Surg Am, 2005 Dec 01;87(suppl 2):1-8. doi: 10.2106/JBJS.E.00441
The erratum to this article has been published | view the erratum
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As with arthroplasty of other large joints, shoulder replacement reliably improves a patient's quality of life1-8. However, although shoulder replacement is frequently successful, complications do occur9-15. Injury to the subscapularis can lead to weakness, decreased motion and stability, and diminished satisfaction following shoulder arthroplasty. Compromise or dysfunction of the subscapularis resulting from routine division and repair during the arthroplasty is a complication that is being recognized more frequently16,17. Subscapularis dysfunction may lead to a loss of active terminal internal rotation with an abnormal belly-press or lift-off test or the inability to perform a shirt-tuck test18. In a recent study, >65% of patients had subscapularis dysfunction following shoulder arthroplasty with a soft-tissue subscapularis repair17.
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