Activation levels of infraspinatus and posterior deltoid

Exercises that elicit relatively high infraspinatus activation and low levels of posterior deltoid activation

Recently, various study have been conducted to establish exercises that most exclusively target the scapulothoracal and rotator cuff muscles. During shoulder external rotation, both the infraspinatus as well as the posterior deltoid muscle are activated. Although there is ample evidence pointing towards benefits of closed kinetic chain exercises early in rehabilitation, most infraspinatus strenghtening exercises are performed in an open chain.


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