Origin: supraspinous fossa of scapula
Insertion: greater tubercle of humerus
Action: abducts humerus at shoulder; holds humerus in glenoid fossa (stabilizes shoulder)
Joint/s Moved: shoulder
Bone of Origin: scapula
Bone of Insertion: humerus
Link: Get Body Smart
slide 11 & 12 on slidebar
Insertion: greater tubercle of humerus
Action: abducts humerus at shoulder; holds humerus in glenoid fossa (stabilizes shoulder)
Joint/s Moved: shoulder
Bone of Origin: scapula
Bone of Insertion: humerus
Link: Get Body Smart
slide 11 & 12 on slidebar