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Teres Minor – Functional Anatomy

Teres minor is a rotator cuff muscle that extends along the back of the axilla.

Origin – lateral border of the posterior scapular surface

Insertion – Lower posterior greater tubercle of the humerus

Function – stabilize and laterally rotate the head of the humerus. Seems to contract with the same timing and intensity as infraspinatus. Some authors suggest that it is involved in weak adduction of the humerus.


Wikipedia entry for teres minor.


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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