Change: Origin - Lateral third of clavicle, acromion, and spine of scapula
Insertion - Deltoid tuberosity of humerusAxillary
Action - Abducts, adduucts, flexes, extends, and rotates arm
medimediallySupraspinatus
Origin - Supraspinous fossa of scapula
Insertion - Superior facet of greater tubercle of humerusSuprascapular
Action - Abducts arm
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(Word count: 170)