The teres major muscles are
deep muscles located on each side of the upper-back.
For a detailed illustration of the location of the teres major muscles, see
the page about Posterior
Muscles in the "Topics & Articles" Section
of the IvyRose website.
Further information about the teres major muscles is
summarised below:
Point(s) of Origin:
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Lower lateral border of scapula.
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Point(s) of Insertion:
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Medial lip of bicipital groove of humerus.
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Action(s):
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Adducts, extends, and inwardly rotates the arm.
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