The steady increase in muscular tension produced by increasing the number of active motor units is called ________.

Question

Quizplus · Accepted Answer

The steady increase in muscular tension produced by increasing the number of active motor units is called recruitment. Muscle tone (A) is the slight tension that is present in relaxed muscles, even when they are not actively contracting. A muscle twitch (B) is a brief contraction of a muscle fiber in response to a single action potential. Muscle spindles (C) are sensory receptors within muscles that detect changes in muscle length and tension. Peak tension (D) refers to the maximum amount of tension that can be generated by a muscle fiber.

The Steady Increase in Muscular Tension Produced by Increasing the Number