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Chapter 07 Video 1: Internal Impingement

August 01, 2016

Contributors: Carl Wilson Nissen, MD

In this video, the glenohumeral joint is viewed from the anterior portal looking posteriorly as the arm is brought up into abduction and external rotation. The frayed rotator cuff tendon at its insertion at the humeral head seen at the right comes up and abuts the posterior labrum and the posterior glenoid. The frayed tissue is the primary result of internal impingement.

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