Myotomes

L1/ 2: Hip flexion

L3: Knee extension (femoral nerve)

L4: Ankle dorsi-flexion with inversion (peroneal nerve)

L5: Great toe extension

S1: Ankle plantar-flexion/ Ankle eversion /Hip extension

S1, 2: Knee flexion (sciatic nerve)

EXTRA:

Hip adduction – L2, 3, 4 – Obturator nerve

Hip abduction – L4, 5 – Superior gluteal nerve

Foot inversion – L4, 5 – Tibial + Peroneal

Video:

 

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