Muscles Part 2

Question 0

Point on which bar moves, joint

Answer 0

Fulcrum

Question 1

Bones

Answer 1

Rigid bar

Question 2

Moved against resistance, weight

Answer 2

Object

Question 3

Supplies energy for movement, muscles

Answer 3

Force

Question 4

4 basic components of levers

Answer 4

(RFOF)

1. Rigid bar
2. Fulcrum
3. Object
4. Force

Question 5

Immovable end

Answer 5

Origin

Question 6

Movable end

Answer 6

Insertion

Question 7

Primarily responsible for movement

Answer 7

Prime mover/agonist

Question 8

Assist prime mover

Answer 8

Synergistic

Question 10

Contraction causes movement in the opposite direction of the prime mover

Answer 10

Antagonist

Question 11

muscle contracts and changes in length

Answer 11

isotonic

Question 12

shortening contraction

Answer 12

concentric

Question 13

lengthening contraction

Answer 13

eccentric

Question 14

muscle contracts but does not change length(no movement)

Answer 14

isometric

Question 15

oxygen debt

Answer 15

amount of oxygen needed to convert lactic acid back into pyruvate

Question 16

stimulates/activates muscle contraction

binds to calcium ions

Answer 16

calmodulin

Question 17

stimulates smooth muscles in the wall of the uterus during childbirth

Answer 17

oxytocin

Question 18

wave-like motion

Answer 18

peristalsis

Question 19

impacts smooth muscle

Answer 19

norepinephrine