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LE Nerve Roots

LE Dermatomes, Myotomes and Reflexes

Nerve RootDermatomeMyotomeReflex
L1 upper anterior thigh hip flexion NONE
L2 middle anterior thigh (hip flexors) hip flexion NONE
L3 lower anterior thigh (hip adductors) knee extension NONE
L4 medial lower leg ankle INV/DF (tibialis anterior) patellar tendon
L5 lateral lower leg, dorsum of foot great toe extension (interossei) NONE
S1 lower leg (around lateral malleolus) and 5th MET ankle EV/PF (peroneals) Achilles tendon
S2 middle posterior thigh (popliteal fossa) ABD/ADD of toes (intrinsics) NONE
Created by: tmsavage