Rotator cuff tendon tears are one of the most common shoulder injuries and are most prevalent in populations performing repetitive overhead activities [1]. In addition, long head of the biceps (LHB) tendon injuries occur secondary to cuff tears and may or may not lead to functional deficits [2]. Previous animal model studies have found that in the presence of a cuff tear, the biceps has decreased mechanical properties at 8 weeks [3]. Such studies, however, did not examine the effect of repetitive overhead activity on biceps properties and shoulder function in the presence of a cuff tear. Therefore, the objective of this study was to evaluate the effect of returning to overuse activity after a supraspinatus tendon tear on shoulder function and biceps structural and mechanical properties. We hypothesized that overuse activity following a supraspinatus tendon tear would not alter shoulder function, when compared to cage activity, but would decrease biceps structural and mechanical properties, particularly at the insertion site.
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ASME 2011 Summer Bioengineering Conference
June 22–25, 2011
Farmington, Pennsylvania, USA
Conference Sponsors:
- Bioengineering Division
ISBN:
978-0-7918-5458-7
PROCEEDINGS PAPER
The Effect of Return to Overuse Activity After a Supraspinatus Tear on Joint Function and Biceps Mechanical Properties in a Rat Model
Stephen J. Thomas,
Stephen J. Thomas
University of Pennsylvania, Philadelphia, PA
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Joseph J. Sarver,
Joseph J. Sarver
University of Pennsylvania, Philadelphia, PA
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Jennica Tucker,
Jennica Tucker
University of Pennsylvania, Philadelphia, PA
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Katherine Reuther,
Katherine Reuther
University of Pennsylvania, Philadelphia, PA
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Lena Edelstein,
Lena Edelstein
University of Pennsylvania, Philadelphia, PA
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Sarah Ilkhani-Pour,
Sarah Ilkhani-Pour
University of Pennsylvania, Philadelphia, PA
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Chancellor Gray,
Chancellor Gray
University of Pennsylvania, Philadelphia, PA
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Chang Soo Lee,
Chang Soo Lee
University of Pennsylvania, Philadelphia, PA
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David L. Glaser,
David L. Glaser
University of Pennsylvania, Philadelphia, PA
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Louis J. Soslowsky
Louis J. Soslowsky
University of Pennsylvania, Philadelphia, PA
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Stephen J. Thomas
University of Pennsylvania, Philadelphia, PA
Joseph J. Sarver
University of Pennsylvania, Philadelphia, PA
Jennica Tucker
University of Pennsylvania, Philadelphia, PA
Katherine Reuther
University of Pennsylvania, Philadelphia, PA
Lena Edelstein
University of Pennsylvania, Philadelphia, PA
Sarah Ilkhani-Pour
University of Pennsylvania, Philadelphia, PA
Chancellor Gray
University of Pennsylvania, Philadelphia, PA
Chang Soo Lee
University of Pennsylvania, Philadelphia, PA
David L. Glaser
University of Pennsylvania, Philadelphia, PA
Louis J. Soslowsky
University of Pennsylvania, Philadelphia, PA
Paper No:
SBC2011-53660, pp. 93-94; 2 pages
Published Online:
July 17, 2013
Citation
Thomas, SJ, Sarver, JJ, Tucker, J, Reuther, K, Edelstein, L, Ilkhani-Pour, S, Gray, C, Lee, CS, Glaser, DL, & Soslowsky, LJ. "The Effect of Return to Overuse Activity After a Supraspinatus Tear on Joint Function and Biceps Mechanical Properties in a Rat Model." Proceedings of the ASME 2011 Summer Bioengineering Conference. ASME 2011 Summer Bioengineering Conference, Parts A and B. Farmington, Pennsylvania, USA. June 22–25, 2011. pp. 93-94. ASME. https://doi.org/10.1115/SBC2011-53660
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