The Journal of Bone and Joint Surgery (American). 2005;87:1-8.
doi:10.2106/JBJS.E.00441
© 2005 The Journal of Bone and Joint Surgery, Inc.
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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 and Peter J. Millett, MD, MSC

Corresponding author:
Peter J. Millett MD, MSc
Steadman Hawkins Clinic, 181 West Meadow Drive, Vail, CO 81657.
E-mail address: drmillett@steadman-hawkins.com

The first 150 words of the full text of this article appear below.


   Introduction
 
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.

While dysfunction is sometimes subtle, resulting in minor functional disabilities, rupture of the subscapularis is a devastating problem that can lead to gross anterior instability. Anterior instability following arthroplasty is typically . . . [Full Text of this Article]


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