Explain how limb movements function as levers.

Explain the benefits of exercise for maintaining muscular health while aging,

Compare the characteristics of skeletal and smooth muscle cell contractions.

Describe the locations of the bursae associated with the knee joint.

Based upon your knowledge of joint structures, which do you think could be more satisfactorily replaced by a prosthetic device—a hip joint or a knee joint? Why?

Match the muscle with its description or action (1) buccinator (2) epicranius (3) lateral pterygoid (4) platysma (5) rhomboid major (6) splenius capitis (7) temporalis (8) zygomaticus major (9) biceps brachii (10) brachialis (11) deltoid (12) latissimus dorsi (13) pectoralis major (14) pronator teres (15) teres minor (16) triceps brachii (17) biceps femoris (18) external oblique (19) gastrocnemius (20) gluteus maximus (21) gluteus medius (22) gracilis (23) rectus femoris (24) tibialis anterior A. inserted on the coronoid process of the mandible B. elevates the corner of the mouth C. can elevate and adduct the scapula D. can extend the neck E. consists of two parts—the frontalis and the occipitalis F. compresses the cheeks G. runs over the neck from the chest to the face H. pulls the jaw from side to side I. primary extensor of the elbow J. depresses and retracts the shoulder K. abducts the arm L. rotates the arm laterally M. flexes and adducts the arm N. rotates the arm medially O. strongest flexor of the elbow P. strongest supinator of the forearm and hand Q. inverts the foot R. a member of the quadriceps femoris group S. a plantar flexor of the foot T. compresses the contents of the abdominal cavity U. largest muscle in the body V. a hamstring muscle W. adducts the thigh X. abducts the thigh.

Describe the locations of the sacroiliac joint, the sacral promontory, and the sacral hiatus.

Distinguish between a complete tetanic contraction and muscle tone.

Bones of the head, neck, and trunk compose the ______________skeleton; bones of the limbs and their attachments compose the______________skeleton.

Distinguish between concentric and eccentric contractions, and explain how each is used in body movements.

Distinguish between multiunit smooth muscle and visceral smooth muscle.

When a child's bone is fractured, growth may be stimulated at the epiphyseal plate. What problems might this extra growth cause in an upper or lower limb before the growth of the other limb compensates for the difference in length?

Describe the movements permitted by the elbow joint.

Explain the importance of fontanels.