Question

a patient has difficulty side - stepping on a court when they play tennis. what muscle would you suspect be directly involved?
a) piriformis
b) gluteus medius
c) quadratus lumborum
d) gluteus maximus

Explanation:

The gluteus medius is responsible for hip abduction, which is crucial for side - stepping. The piriformis is mainly involved in hip rotation, the quadratus lumborum is related to spinal movement, and the gluteus maximus is more for hip extension and external rotation.

Answer:

B. Gluteus Medius