* The spinal cord segmental innervation is indicated (eg, "L1, L2, L3" means that the nerves supplying the quadriceps femoris are derived from the first three lumbar segments of the spinal cord). Numbers in boldface (L3, L4) indicate the main segmental innervation. Damage to one or more of the listed spinal cord segments or to the motor nerve roots arising from them results in paralysis of the muscles concerned.
Reproduced with permission from: Clinically Oriented Anatomy, 7th ed, Moore KL, Dalley AF, Agur AM (Eds), Lippincott Williams & Wilkins, Philadelphia 2013. Copyright © 2013 Lippincott Williams & Wilkins.
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