Question

muscles comprising the quadriceps group include the
○ iliopsoas, gracilis, adductor magnus, biceps femoris, and gracilis.
○ semitendinosus, biceps femoris, rectus femoris, and vastus medialis.
○ rectus femoris, tibialis anterior, soleus, and adductor longus.
○ peroneus, gastrocnemius, vastus intermedius, and rectus femoris.
○ rectus femoris, vastus intermedius, vastus lateralis, and vastus medialis.

Explanation:

The quadriceps femoris muscle group consists of four distinct muscles located in the anterior thigh: rectus femoris, vastus intermedius, vastus lateralis, and vastus medialis. All other options include muscles from other groups (hamstrings, adductors, lower leg muscles) that are not part of the quadriceps.

Answer:

rectus femoris, vastus intermedius, vastus lateralis, and vastus medialis.