Hip flexion is primarily mediated by which nerve roots via the Iliopsoas?

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Multiple Choice

Hip flexion is primarily mediated by which nerve roots via the Iliopsoas?

Explanation:
Hip flexion by the iliopsoas is driven mainly by nerve roots in the L2 to L4 range. The iliopsoas, formed by the psoas major and iliacus, is the primary hip flexor. The iliacus portion is innervated by the femoral nerve, which carries fibers from L2–L4, while the psoas major contributes innervation from L1–L3. Taken together, these roots provide the main motor input for hip flexion, making L2–L4 the key nerve roots involved.

Hip flexion by the iliopsoas is driven mainly by nerve roots in the L2 to L4 range. The iliopsoas, formed by the psoas major and iliacus, is the primary hip flexor. The iliacus portion is innervated by the femoral nerve, which carries fibers from L2–L4, while the psoas major contributes innervation from L1–L3. Taken together, these roots provide the main motor input for hip flexion, making L2–L4 the key nerve roots involved.

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