Muscle Contractions

Question 1

Produces force while lengthening and shortening

Answer 1

Isotonic contracting

Question 2

Concentric phase

Answer 2

Force generated by contraction can overcome the resistance. The muscle shortens as it does this

Question 3

Eccentric phase

Answer 3

Muscle lengthens as it gains tension and is over come by the load.
It is contracted as it tries to resist

Question 4

Isometric

Answer 4

Muscle contracts to resist force or weight without changing the length of the muscle. Example. Wall sit. Plank.
Slow twitch fibres

Question 5

Isokinetic

Answer 5

Muscle shortens as it gains tension.

Requires constant speed over ROM.

Question 6

Prime mover

Answer 6

Muscle that is strong enough to set up and start a movement

Question 7

Assistant mover

Answer 7

Once the movement starts this muscle comes in to assist the movement

Question 8

Agonist

Answer 8

Responsible for causing movement

Question 9

Antagonist

Answer 9

Provide a controlling effect. Oppose the movement by relaxing

Question 10

Synergistic

Answer 10

Provides stability and control of a joint while other muscles are performing the main movement.