Infraspinatus

An infraspinatus muscle is one of the deep muscles located below the scapula (bone).

For a detailed illustration of their location see the page about Posterior Muscles in the "Topics & Articles" Section of the IvyRose website.

Further information about the infraspinatus muscles is summarised below:

Point(s) of Origin:	Lower posterior surface of scapula (shoulder bone).
Point(s) of Insertion:	Great tuberosity of humerus.
Action(s):	Outwardly rotates the arm.



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