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Action: Adducts arm; rotates arm medially; extends arm at shoulderOrigin - Inferior angle of the scapula Insertion - Lesser tubercle of the humerus Innervation - Lower subscapular nerve (C5,6) from the posterior cord of the brachial plexus

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1.
Action: Adducts arm; rotates arm medially; extends arm at shoulder
Origin - Inferior angle of the scapula
Insertion - Lesser tubercle of the humerus
Innervation - Lower subscapular nerve (C5,6) from the posterior cord of the brachial plexus





 
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