Which of the following is a quadriceps muscle that also flexes the hip?

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Study for the Muscle Actions and Functions – Anatomy and Movement Test. Equip yourself with multiple choice questions, each with detailed explanations and hints. Prepare confidently for your exam!

Multiple Choice

Which of the following is a quadriceps muscle that also flexes the hip?

Explanation:
Rectus femoris is the only muscle in the quadriceps group that crosses both the hip and knee joints. Because it spans the hip, it can contribute to hip flexion, in addition to extending the knee. The other three quadriceps muscles run from the femur to the tibia and cross only the knee, so their primary action is knee extension with no hip flexion. This makes rectus femoris the best answer for a quadriceps muscle that also flexes the hip.

Rectus femoris is the only muscle in the quadriceps group that crosses both the hip and knee joints. Because it spans the hip, it can contribute to hip flexion, in addition to extending the knee. The other three quadriceps muscles run from the femur to the tibia and cross only the knee, so their primary action is knee extension with no hip flexion. This makes rectus femoris the best answer for a quadriceps muscle that also flexes the hip.

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