Muscle Movement

Question 1

neuromuscular

Answer 1

• muscle innervation: stimulation of a muscle by an impulse transmitted by a motor nerve
• neuromuscular: pertaining to the relationship between a nerve and muscle

Question 2

contraction

Answer 2

tightening of muscle

Question 3

relaxation

Answer 3

returning to original form

Question 4

abduction

Answer 4

movement of a limb away from the midline of the body

Question 5

adduction

Answer 5

movement of a limb toward the midline of the body

Question 6

flexion

Answer 6

decreasing the angle between two bones by bending a limb at a join

Question 7

extension

Answer 7

increasing the angle between two bones or the straightening out of a limb

Question 8

hyperextension

Answer 8

the extreme or over-extension of a limb or body part beyond its normal limit

Question 9

rotation

Answer 9

a circular movement around an axis such as the shoulder joint

Question 10

circumduction

Answer 10

the circular movement at the far end of a limb

Question 11

supination

Answer 11

the act of rotating the arm so that the palm of the hand is turned forward or upward

Question 12

pronation

Answer 12

act of rotating the arm so that the palm of the hand is turned downward or backward

Question 13

dorsiflexion

Answer 13

the movement that bends the foot upward at the ankle

Question 14

plantar flexion

Answer 14

the movement that bends the foot downward at the ankle