Origin: infraspinous fossa of scapula
Insertion: greater tubercle of humerus
Action: laterally rotates humerus, holds humerus in glenoid fossa (stabilizes shoulder)
Joint/s Moved: shoulder
Bone of Origin: scapula
Bone of Insertion: humerus
Link: Get Body Smart
Click on 12 & 11 on slide bar
Insertion: greater tubercle of humerus
Action: laterally rotates humerus, holds humerus in glenoid fossa (stabilizes shoulder)
Joint/s Moved: shoulder
Bone of Origin: scapula
Bone of Insertion: humerus
Link: Get Body Smart
Click on 12 & 11 on slide bar