Question

what do you mean by hyperactivity of muscles??

Answer 1

It is generally assumed that an overactive muscle is short, tight, and strong, as opposed to an underactive muscle, which is assumed to be long and weak.

Answer 2

Answer:

A muscle strain/pulled muscle, occurs when your muscle is overstretched or torn. Indeed, it is the damage to a muscle or its attaching tendons. It usually occurs as a result of fatigue, overuse or improper use of muscle.