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Latissimus Dorsi

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Latissimus Dorsi:

Proximal Attachment - Spinous processes of inferior 6 thoracic vertebrae, thoracolumbar fascia, iliac crest, and inferior 3 or 4 ribs

Distal Attachment - Floor of intertubercular sulcus of humerus

Innervation - Thoracodorsal nerve

Action - Extends, Adducts, and medially rotates humerus; raises body towards arms during climbing

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