Question

No muscle works independently, with this in mind discuss the roles of agonists, antagonists synergists, and fixators in movement.

Answer 1

Answer and Explanation:

There are four major roles of muscles that provide the movement that are given bellow.

AGONIST : They are also known as prime movers it provides force to complete the movement.

example : flexion of elbow

ANTAGONIST : They oppose the movement which was produced by agonist

example : extension of elbow by triceps

NOTE  : They also slows down the movements

SYNERGISTS : Their main role is to stabilize the joint in which moment take place they also help in performing the movement to agonist.

FIXATORS : Their main role is to stabilize the origin of agonists and stabilize the joint

example : Rotator cuff muscles