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


ANS: B
This is the locations of the origin and description of the rectus femoris muscle.

Health Professions

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