The following two-joint muscle at the hip originates at the anterior inferior iliac spine (AIIS)and can contribute to both hip flexion and knee extension,dependent on joint position:
A) Sartorius
B) Rectus femoris
C) Vastus lateralis
D) Psoas major

Question

Quizplus · Accepted Answer

The rectus femoris muscle originates at the AIIS and inserts on the patella via the quadriceps tendon. It can contribute to both hip flexion and knee extension due to its dual-joint action, depending on the position of the hip and knee.

The Following Two-Joint Muscle at the Hip Originates at the Anterior