teres major muscle

(redirected from musculus teres major)
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te·res ma·jor mus·cle

(ter'ēz mā'jŏr mŭs'ĕl)
Origin, inferior angle and lower third of border of scapula; insertion, medial border of intertubercular groove of humerus; action, adducts and extends arm and rotates it medially; nerve supply, lower subscapular from posterior cord of brachial plexus (fifth and sixth cervical spinal nerves).
Synonym(s): musculus teres major [TA] .

teres major muscle

Shoulder muscle. Origin: lower lateral edge of scapula. Insertion: bicipital groove of humerus. Nerve: lower scapular (C6-C7). Action: adducts and medially rotates arm.
See also: muscle
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