Anterior cable reconstruction of the superior capsule using semitendinosus allograft for large rotator cuff defects limits superior migration and subacromial contact without inhibiting range of motion: A biomechanical analysis
Arthroscopy Dec 25, 2020
Park MC, Hung VT, DeGiacomo AF, et al. - This study was undertaken to biomechanically evaluate translation, contact pressures, and range of motion for an anterior cable reconstruction using hamstring allograft for large to massive rotator cuff tears. Researchers investigated eight cadaveric shoulders (mean age, 68 years) with a custom testing system. They assessed the range of motion, superior translation of the humeral head, and subacromial contact pressure at 0°, 30°, 60°, and 90° of external rotation with 0°, 20°, and 40° of glenohumeral abduction. This study’s findings revealed that the anterior cable reconstruction applying cord-like allograft semitendinosus tendon can biomechanically improve superior migration and subacromial contact pressure (primarily in the lower combined abduction and rotation positions), without limiting the range of motion for large rotator cuff tendon defects or tears.
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