Multiple ChoiceMore than one choice may apply.Which of the following muscles attach to the hip bones?a. Rectus abdominisb. Rectus femorisc. Vastus medialisd. Vastus lateralis

The most common lever systems in the body are those that have the applied force between the fulcrum and the resistance. These are called __________ levers.

Which of the following statements about second-class levers is correct?

Levers make action more versatile by all of the following, except (a) changing the location of the muscle's insertion, (b) changing the speed of movement produced by an applied force, (c) changing the distance of movement produced by an applied force, (d) changing the strength of an applied force, (e) changing the direction of an applied force.

The more movable end of a muscle is the (a) insertion, (b) belly, (c) origin, (d) proximal end, (e) distal end.

The muscles of facial expression are innervated by cranial nerve (a) VII, (b) V, (c) IV, (d) VI.

Multiple ChoiceMore than one choice may apply.Which of these thigh muscles causes movement at the hip joint?a. Rectus femorisb. Biceps femorisc. Vastus lateralisd. Semitendinosus

Multiple ChoiceMore than one choice may apply.Which of the following insert on the arm?a. Biceps brachiib. Triceps brachiic. Trapeziusd. Latissimus dorsi

In addition to acting to flex the spine and compress the abdominal contents, the abdominal muscles are extremely important in protecting and containing the abdominal viscera. What is it about the arrangement of these muscles that makes them so well suited for their job?