During which phase of the squat does the quadriceps muscle group primarily function to extend the knee joint?
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✓ Correct answer: A. Ascending phaseAnswer: Ascending phase The quadriceps muscle group primarily functions to extend the knee joint during the ascending phase of the squat. In this phase, the body moves upward from the lowered position, requiring the quadriceps to contract and straighten the legs. The descending phase involves knee flexion, where the quadriceps work eccentrically to control the movement.
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