Question

put into your own words

Muscles work in opposing pairs.when you flex your forearm, what are the prime movers, synergist and antagonist muscles? how about extension of the forearm?

Answer 1

To bring any movement, the group of muscle work in a synergistic manner . Prime mover is the main muscle which bring the movement. The synergist muscles supplements the action of prime muscle.

The antagonist muscle resist the movement and brings the opposite of that movement.

For flexion of forearm-

prime mover- biceps brachii

synergist muscle- brachioradialis and brachialis.

antagonist muscle- triceps

For extension of forearm-

Prime mover - triceps

synergist- anconeus

antagonist- biceps brachii, brachialis, brachioradialis.

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