In the exercise of slow leg raising and lowering in a supine lying position, what is the function of the abdominal muscles during the lowering phase and what type of contraction is involved?

Question

Quizplus · Accepted Answer

During the slow leg lowering phase, the abdominal muscles contract isometrically to stabilize the pelvis and maintain proper alignment of the spine. This is a type of static contraction where the muscle is activated but there is no movement occurring. Therefore, option B is the best choice. The other options are not correct because the abdominal muscles are not directly involved in controlling the extension of the legs (Option A) nor do they tilt the pelvis backward or forward (Options C and D).

In the Exercise of Slow Leg Raising and Lowering in a Supine