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Lower Limb Nerves
Segmental Innervation of the Lower Limb
Muscle | Nerve | Nerve Root |
---|---|---|
Quadratus Lumborum | Lumbar Plexus | L1, 2, 3 |
Psoas minor | Lumbar Plexus | L1,2 |
Psoas major | Lumbar Plexus | L1,2,3 |
Iliacus | Femoral | L2,3 |
Pectineus | Femoral | L2,3,4 |
Rectus femoris | Femoral | L2,3,4 |
Vastus lateralis | Femoral | L2,3,4 |
Vastus medialis | Femoral | L2,3,4 |
Vastus intermedius | Femoral | L2,3,4 |
Gracilis | Obturator | L2,3 |
Adductor Longus | Obturator | L2,3,4 |
Adductor Brevis | Obturator | L2,3,4 |
Adductor Magnus | Obturator | L2,3,4 |
Obturator Externus | Obturator | L3,4 |
Gluteus Medius | Superior Gluteal | L4,5; S1 |
Gluteus Minimus | Superior Gluteal | L4,5; S1 |
Tensor Fascia Latae | Superior Gluteal | L4,5; S1 |
Gluteus Maximus | Inferior Gluteal | L5; S1,2 |
Piriformis | Sacral Plexus | L5; S1,2 |
Superior Gemellus | Sacral Plexus | L5; S1,2 |
Obturator Internus | Sacral Plexus | L5; S1,2 |
Inferior Gemullus | Sacral Plexus | L4,5; S1 |
Quadratus femoris | Sacral Plexus | L4,5; S1 |
Semimembranosus | Sciatic (tibial division) | L5; S1,2 |
Semitendinosus | Sciatic (tibial division) | L5; S1,2 |
Biceps Femoris (long head) | Sciatic (tibial division) | L5; S1,2 |
Biceps Femoris (short head) | Sciatic (common peroneal) | L5; S1,2 |
Tibialis Anterior | Deep Peroneal | L4,5 |
Extensor hallucis longus | Deep Peroneal | L5; S1 |
Extensor digitorum longus | Deep Peroneal | L5; S1 |
Peroneus tertius | Deep Peroneal | L5;S1 |
Extensor digitorum brevis | Deep Peroneal | L5; S1 |
Peroneus longus | Superficial Peroneal | L5; S1,2 |
Peroneus brevis | Superficial Peroneal | L5; S1,2 |
Gastrocnemius | Tibial | S1,2 |
Plantaris | Tibial | L5; S1 |
Popliteus | Tibial | L5; S1 |
Tibialis Posterior | Tibial | L4,5 |
Flexor Digitorum Longus | Tibial | S1,2 |
Flexor Hallucis Brevis | Medial plantar | L5; S1 |
Soleus | Tibial | S1,2 |
Flexor Hallucis Longus | Tibial | S1,2 |
Abductor Hallucis | Medial Plantar | L5; S1 |
Flexor Digitorum Brevis | Medial Plantar | L5; S1 |
Lumbricals I | Medial Plantar | L5; S1 |
Quadratus Plantae | Lateral Plantar | S2,3 |
Abductor Digiti Minimi | Lateral Plantar | S2,3 |
Lumbricals II, III, IV | Lateral Plantar | S2,3 |
Adductor Hallucis | Lateral Plantar | S2,3 |
Plantar Interossei | Lateral Plantar | S2,3 |
Dorsal Interossei | Lateral Plantar | S2,3 |