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Subscapularis – Functional Anatomy


The subscapularis muscle is thick with multiple bellies on the underside of the scapula. Its tendon is separated from the joint capsule by a bursa. It can be a key player in frozen shoulder and pitching restrictions.

Origin: subscapular fossa

Insertion: lesser tubercle of the humerus

Function: stabilization of the humeral head, internal rotation of the humerus


Wikipedia entry for subscapularis.


Tony Preston has a practice in Atlanta, Georgia where he sees clients.

He has written and taught about anatomy, trigger points and cranial therapies since the mid-90s.

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