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15 Cards in this Set

  • Front
  • Back

Fixed point of attachment proximal to body's midline

Origin

Attached to bone that moves most when muscle contracts, distal to body's midline

Insertion

(Prime mover) Causes major action

Agonist

Relaxes and lengthens to allow movement

Antagonist

Reduces excessive movement

Synergist

Ensures joints remain stable during action

Stabiliser

Process of one muscles contracting and the other relaxing

Reciprocal inhibition

Type 1

Slow twitch oxidative fibres

Type 2A

Fast twitch oxidative fibres

Type 2B

Fast twitch glycolytic fibres

Muscle changes length as force is developed

Isotonic contraction

No change in length of muscle as force develops

Isometric contraction

Force is created by muscle via use of machines

Isokinetic contraction

Shortens

Concentric

Lengthens

Eccentric