The up-phase of curl-ups is an example of which type of muscular contraction?

Question

Quizplus · Accepted Answer

The up-phase of curl-ups involves the shortening of the abdominal muscles to raise the upper body. This type of contraction is known as concentric. Isotonic refers to a contraction where there is a change in the length of the muscle, eccentric refers to a lengthening contraction, and isometric refers to a contraction where there is no change in the length of the muscle.

The Up-Phase of Curl-Ups Is an Example of Which Type