If a muscle attachment that usually stays fixed moves when the muscle contracts,it is defined as what type of action?

Question

Quizplus · Accepted Answer

A muscle attachment that usually stays fixed moving when the muscle contracts is referred to as a reverse action. This means that the muscle is pulling on the bone that is usually seen as the insertion instead of the origin, causing the attachment to move in the opposite direction.

If a Muscle Attachment That Usually Stays Fixed Moves When