Unit IV: Activity & Exercise

Question 1

decreasing angle of joint

Answer 1

flexion

Question 2

increasing angle of joint

Answer 2

extension

Question 3

further extension or straightening of a joint

Answer 3

hyperextension

Question 4

movement of the bone toward the midline of the body

Answer 4

adduction

Question 5

movement of the bone away from the midline of the body

Answer 5

abduction

Question 6

movement of the bone around its central axis

Answer 6

rotation

Question 7

movement of the distal part of the bone in a circle while the proximal end remains fixed

Answer 7

circumduction

Question 8

turning the sole of the foot outward by moving the ankle joint

Answer 8

eversion

Question 9

turning the sole of the foot inward by movie the ankle joint

Answer 9

inversion

Question 10

moving the bones of the forearm so that the palm of the hand faces downward when held in front of the body

Answer 10

pronation

Question 11

moving the bones of the forearm so that the palm of the hand faces upward when held in front of the body

Answer 11

supination

Question 12

exercise in which the muscles shorten to produce muscle contraction and active movement

Answer 12

isotonic (dynamic)

Question 13

exercise in which the muscle contracts without moving the joint; muscle length does not change

Answer 13

isometric (static)

Question 14

exercise in which the amount of oxygen used by the body is greater than that used to perform the activity

Answer 14

aerobic

Question 15

exercise in which the muscles cannot use enough oxygen from the bloodstream

Answer 15

anaerobic

Question 16

condition where the bones become brittle and fragile due to calcium depletion

Answer 16

osteoporosis

Question 17

the permanent shortening of the muscle

Answer 17

contracture

Question 18

when the collagen tissues at the joint become permanently immobile

Answer 18

ankylosed