The roles of muscles

Muscles have different roles when an exercise is carried out, in fact there are multiple muscles working in different ways whenever we move.

The Antagonist

The name given to the muscle that relaxes when the prime mover contracts.
The Agonist

The name given to the muscle that is the prime mover for a given joint action.
Synergist

The name given to the muscle that assists the main muscle (prime mover)in bringing about the action.
Fixator

The muscle that contracts to stabilise the part of the body that remains fixed, e.g the trapezius stabilising the shoulder girdle or the transverses abdominus stabilising the vertebrae.

Now see if you can match those up correctly!

 

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