Answer:
c. the muscle that does most of the movement.
Step-by-step explanation:
The prime mover can also be called an agonist or the working muscles as it leads to the occurrence of movement by establish a specific usual range of movement in a joint via contraction.
It is the central muscle that particularly aid a specific movement or action.
Take for example, the triceps brachii is the major muscle that particularly aid movement during a triceps extension.