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muscles of arm
muscle actions of arm
9
Biology
12th Grade
01/25/2016

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Term
Coracobrachialis
Definition
Flexes & adducts arm
Term
Pectorals major
Definition
Pulls arm anteriorly & across chest, rotates humerus or adducts arm
Term
Teres major
Definition
Extends humerus or adducts and rotates arm medially
Term
Latissimus dorsi
Definition
Extends and adducts arm & rotates humerus inwardly or pulls shoulder downward & posteriorly
Term
Supraspinatis
Definition
Abducts arm
Term
Deltoid
Definition
Abducts arm, extends or flexes humerus
Term
Subscapularis
Definition
Rotates arm medially
Term
Infraspinatus
Definition
Rotates arm laterally
Term
Teres minor
Definition
Rotates arm laterally
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