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ELearning in the Kinesiology of Exercise

Infraspinatus

The infraspinatus is a small muscle of the shoulder.


Origin

The infraspinatus originates on the infraspinatus fossa of the scapula.

Insertion

It inserts on the greater tubercle of the humerus.

Function

The upper fibers abduct the arm and the lower fibers adduct the arm.

Infraspinatus