ANAT 1010 Lecture 7: APPENDICULAR SKELETAL SYSTEM
22 Dec 2018
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Two pectoral (shoulder) girdles two upper extremities one pelvic (hip) girdle two lower extremities: the appendicular skeleton contains 126 bones that form: Please note: you are not expected to learn all the bones or. About the location and function of the bones indicated below: pectoral (shoulder) girdles, the two pectoral girdles attach the bones of the upper extremities to the axial skeleton, each pectoral girdle consists of two bones: Clavicle (collarbone) a. sternal extremity (contributes to the sternoclavicular joint) b. acromial extremity (contributes to the acromioclavicular joint) Humerus is located in the arm; articulates with the pectoral girdle in the glenoid cavity and articulates with both the radius and ulna of the forearm, medial and lateral epicondyles. Ulna is located in the medial aspect of the forearm; olecranon. Radius is located in the lateral aspect of the forearm; note interosseous membrane between radius and ulna.
