Feets of Clay

Latissimus Dorsi

Origin: T7-L5, ribs 10-12, iliac crest
Insertion: intertubercular groove of humerus (muscle travels UNDER axillary region)
Action: shoulder extension, adduction, medial rotatation of humerus (lat pull down motion at gym)
Joint/s Moved: shoulder
Bone of Origin: vertebrae, ribs, coxal bone, scapula
Bone of Insertion: humerus
Link: Get Body Smart
Click 12 & 11 on slide bar