Teres minor muscle

In this article we will discuss about Teres minor muscle. So let’s get started.

Teres minor muscle

It originates from the upper 2/3rd of the dorsal surface of axillary or lateral border of scapula and gets inserted into the inferior facet of the greater tubercle of humerus. It is innervated by axillary nerve and artery supply is through the posterior circumflex humeral artery and circumflex scapular artery. It’s chief action is lateral rotation of arm. Clinically it is a part of rotator cuff musculature and atrophy of teres minor is often a consequence of a rotator cuff tear.


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