What is the eccentric function of a muscle whose mover action is to depress the lower lip?
A)restrain/slow elevation of the upper lip
B)restrain/slow depression of the upper lip
C)restrain/slow elevation of the lower lip
D)restrain/slow depression of the lower lip

Question

Quizplus · Accepted Answer

The eccentric function of a muscle whose mover action is to depress the lower lip would be to restrain or slow the elevation of the lower lip. This is because the muscle contracts while lengthening, in order to control the movement of the lower lip during elevation.

What Is the Eccentric Function of a Muscle Whose Mover