Nerve (nerve roots) | Major muscles | Motor function |
Femoral | ||
(L2-L4) | Quadriceps | Knee extension |
(L1-L3) | Iliopsoas; sartorius | Hip flexion |
Obturator | ||
(L2-L4) | Adductor L. | Hip adduction |
Superior gluteal | ||
(L4-S1) | Gluteus medius | Hip abduction |
Inferior gluteal | ||
(L5-S2) | Gluteus maximus | Hip extension |
Several nerve branches involved | ||
(L5-S2) | Obturator; piriformis; gemelli | Hip ext rotation |
Common peroneal | ||
(L4-S3) | Tibialis anterior | Foot dorsiflexion |
(Posterior sciatic) | Fibularis L. & B. | Foot eversion |
(L5,S1) | Extensor digit. L. | Toe extension |
Tibial | ||
(L5-S2) | Hamstrings | Knee flexion |
(Anterior sciatic) (S1, S2) | Gastrocnemius; soleus | Foot plantar flexion |
(S2, S3) | Flexor digit. L. | Toe flexion |
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