Anatomy
Gluteal region
- Gluteus maximus, inferior gluteal nerve (L5, S1, S2)
- Gluteus medius, superior gluteal nerve (L4, L5, S1)
- Gluteus minimus, superior gluteal nerve (L4, L5, S1)
- Tensor fasciae latae, superior gluteal nerve (L4, L5, S1)
- Piriformis, nerve to piriformis (S1, S2)
- Obturator internus and superior gemellus, nerve to obturator internus (L5, S1, S2)
- Quadratus femoris and inferior gemellus, nerve to quadratus femoris (L4, L5, S1)
Anterior thigh
- Psoas major, lumbar plexus anterior rami (L1, L2, L3)
- Iliacus, femoral nerve (L2, L3)
- Sartorius, femoral nerve (L2, L3)
- Rectus femoris, femoral nerve (L2, L3, L4)
- Vastus lateralis, medialis and intermedius, femoral nerve (L2, L3, L4)
- Pectineus, femoral nerve (L2, L3)
Medial thigh
- Adductor longus, obturator nerve anterior division (L2, L3, L4)
- Adductor brevis, obturator nerve (L2, L3, L4)
- Gracilis, obturator nerve anterior division (L2, L3)
- Adductor magnus adductor part, obturator nerve posterior division (L2, L3, L4)
- Adductor magnus hamstring part, tibial division of sciatic nerve (L4)
- Obturator externus, obturator nerve posterior division (L3, L4)
Posterior thigh
- Semitendinosus, tibial division of sciatic nerve (L5, S1, S2)
- Semimembranosus, tibial division of sciatic nerve (L5, S1, S2)
- Biceps femoris long head, tibial division of sciatic nerve (L5, S1, S2)
- Biceps femoris short head, common peroneal division of sciatic nerve (L5, S1, S2)
Anterior leg
- Tibialis anterior, deep peroneal nerve (L4, L5)
- Extensor hallucis longus, deep peroneal nerve (L5, S1)
- Extensor digitorum longus, deep peroneal nerve (L5, S1)
- Peroneus tertius, deep peroneal nerve (L5, S1)
Lateral leg
- Peroneus longus, superficial peroneal nerve (L5, S1, S2)
- Peroneus brevis, superficial peroneal nerve (L5, S1, S2)
Superficial posterior leg
- Gastrocnemius, tibial nerve (S1, S2)
- Soleus, tibial nerve (S1, S2)
- Plantaris, tibial nerve (S1, S2)
Deep posterior leg
- Popliteus, tibial nerve (L4, L5, S1)
- Tibialis posterior, tibial nerve (L4, L5)
- Flexor digitorum longus, tibial nerve (S2, S3)
- Flexor hallucis longus, tibial nerve (S2, S3)
Foot
- Extensor digitorum brevis and extensor hallucis brevis, deep peroneal nerve (L5, S1)
- Abductor hallucis, FDB, FHB and first lumbrical, medial plantar nerve (S2, S3)
- Abductor digiti minimi and quadratus plantae, lateral plantar nerve (S2, S3)
- Adductor hallucis, interossei and lumbricals 2 to 4, lateral plantar nerve (S2, S3)
Myotomes
- Hip flexion L2, knee extension L3, ankle dorsiflexion L4
- Great toe extension L5, ankle plantarflexion S1
Reviewed by Professor Phong Tran, Head of Orthopaedic Surgery, Western Health. Last updated 10 October 2026.