Question

The anterior thigh muscles that extend the leg are collectively called the

A) rectus femoris
B) vastus group
C) hamstrings
D) quadriceps femoris

Answer 1

The anterior thigh muscles that extend the leg are collectively called the quadriceps femoris group.

Step-by-step explanation:

The anterior thigh muscles that extend the leg are collectively called the quadriceps femoris group. This group consists of four muscles: the rectus femoris, the vastus lateralis, the vastus medialis, and the vastus intermedius. Together, these muscles extend and stabilize the knee.