Question

ACTIVITY 2 Upper Limb: Ex amining the Bones of the Arm and Forearm The humerus is the only bone found in the arm. It is the longest and largest bone of the upper limb. O On the skeleton, locate the humerus in each arm. Notice that it is involved in the formation of two major joints: the shoulder joint and the elbow joint Posterior Anterior 2 On a skeleton or disarticulated humerus, identify the bone markings Greater labeled in the figures on this page Greater groover Anatomical neck Lesser tubencle Surgical neck Radial Shaft Deltold tuberosity Radial fossa -Coonold fossa fossa Lateral epicondyle Medial Trochlea CapitulumTrochlea 3 For each of the bone markings of the humerus listed in the table, speculate on its function by placing a check mark in the appropriate function column.> Passageway for nerves, blood wessels tendons, or ligaments Function Bene Marking Attachment site for tendons and ligaments Articulating surface at a joint Head Greater tubercle groove Medial epicondyle Olecranon fossa Radial groove 58

Answer 1

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