Sagittal view of the lumbosacral spinal canal
S1
Related Anatomy
Muscles
Semimembranosus (of hamstrings)
Popliteus
Peroneus longus
Flexor digiti quinti brevis
Tensor fasciae latae
Peroneus tertius
Gastrocnemius
Extensor hallucis brevis
Soleus
Gluteus medius
Flexor digitorum brevis
Biceps femoris (long head) (of hamstrings)
Gluteus maximus
Quadratus femoris
Extensor digitorum brevis
Semitendinosus (of hamstrings)
Tibialis posterior
Flexor digitorum longus
Gluteus minimus
Biceps femoris (short head) (of hamstrings)
Quadratus plantae
Abductor digiti quinti
Extensor digitorum longus
Abductor hallucis
Flexor hallucis brevis
Obturator internus
Extensor hallucis longus
Dorsal interossei (foot)
Gemelli (inferior)
Peroneus brevis
Gemelli (superior)
Flexor hallucis longus
Piriformis
Plantar interossei (foot)