Root: S1
Associated nerves:
Nerve to obturator internus
Nerve to quadratus femoris
Superior gluteal nerve
Inferior gluteal nerve
Sciatic nerve
Posterior femoral cutaneous nerve
Piriformis nerve
Motor innervation:
Obturator internus
Superior gemellus
Quadratus femoris
Inferior gemellus
Gluteus medius
Gluteus minimus
Tensor fasciae latae
Gluteus maximus
Biceps femoris, long head
Biceps femoris, short head
Semimembranosus
Semitendinosus
Gastrocnemius
Soleus
Popliteus
Flexor digitorum longus
Flexor hallucis longus
Tibialis posterior
Peroneus longus
Peroneus brevis
Flexor digitorum brevis
Adductor hallucis
Flexor hallucis brevis
Lumbrical I (foot)
Lumbricals II-IV (foot)
Adductor digiti quinti
Abductor digiti quinti
Quadratus plantae
Flexor digiti minimi brevis
Interossei dorsales
Interossei plantares
Piriformis
Sensory innervation:
Posterior surface of thigh
Lower part of buttocks
Superior, lateral part of leg
Inferior, anterolateral part of leg and dorsum of foot
Posterior, lateral part of leg and lateral edge of foot.
Lateral part of sole of foot and toes 4-5
Heel and posterior sole of foot.