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Effect of posterior shoulder tightness on internal impingement in a cadaveric model of throwing.
[PURPOSE] Posterior shoulder tightness is common in throwing athletes, especially those with symptomatic shoulder internal impingement. The role of posteroinferior capsular contracture in the pathoetiologies of throwing-related injuries cau…
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The effect of glenohumeral internal rotation deficit due to posterior capsular contracture on passive glenohumeral joint motion.
[BACKGROUND] To date, no study has investigated the biomechanical consequences of glenohumeral internal rotation deficit (GIRD) at values seen in symptomatic athletes. Hypothesis/ [PURPOSE] The purpose of this study was to determine the bi…
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Development of cadaveric models of a thrower's shoulder.
Two novel cadaveric models of a thrower's shoulder were evaluated. Both models included the capsuloligamentous and osseous components of the glenohumeral joint. In model 1 the coracohumeral ligament was retained and the glenoid was position…
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A cadaveric model of the throwing shoulder: a possible etiology of superior labrum anterior-to-posterior lesions.
[BACKGROUND] It has been speculated that a shift of the throwing arc commonly develops in athletes who perform overhead activities, resulting in greater external rotation and decreased internal rotation caused by anterior capsular laxity an…