Origin: LONG HEAD: infraglenoid tubercle of scapula. MEDIAL HEAD: posterior distal shaft of humerus, LATERAL HEAD: posterior proximal shaft of humerus humerusInsertion: posterior olecranon process of ulna
Action: extends elbow (as in lowering a spoon back to the table)
Joint/s Moved: elbow
Bone of Origin: scapula and humerus
Bone of Insertion: ulna
Link: Get Body Smart
Action: extends elbow (as in lowering a spoon back to the table)
Joint/s Moved: elbow
Bone of Origin: scapula and humerus
Bone of Insertion: ulna
Link: Get Body Smart