What is the normal hip extension ROM?

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Multiple Choice

What is the normal hip extension ROM?

Explanation:
Hip extension ROM is how far the thigh can move backward from a neutral position in the sagittal plane. The commonly cited normal value for adults is about 30 degrees. This is typically measured with the person lying prone and the knee straight, so the hamstrings don’t limit the movement; the goniometer’s axis sits over the greater trochanter, the stationary arm runs along the pelvis, and the moving arm follows the femur. Reaching roughly 30 degrees indicates a typical length-tension balance allowing normal gait mechanics, including the late stance phase. Values like 0, 10, or 20 degrees are below the standard reference and may reflect tight hip flexors or hamstrings, whereas 30 degrees aligns with the expected normative range.

Hip extension ROM is how far the thigh can move backward from a neutral position in the sagittal plane. The commonly cited normal value for adults is about 30 degrees. This is typically measured with the person lying prone and the knee straight, so the hamstrings don’t limit the movement; the goniometer’s axis sits over the greater trochanter, the stationary arm runs along the pelvis, and the moving arm follows the femur. Reaching roughly 30 degrees indicates a typical length-tension balance allowing normal gait mechanics, including the late stance phase. Values like 0, 10, or 20 degrees are below the standard reference and may reflect tight hip flexors or hamstrings, whereas 30 degrees aligns with the expected normative range.

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