| Nerve Root |
Dermatome |
Myotome |
Reflex |
| 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 |