Scapulohumeral Rhythm Flashcards by Ethan Ziegler | Brainscape

Q

Phase 1

A

0-30 degrees, supraspinatous PM, only abduction

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Q

Phase 2

A

30-90 degrees, deltoids PM, ITS muscle depresses head of humerous

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Q

Phase 3

A

90-180 degrees, Infraspinatous and Teres Minor, external rotation

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