Lower Extremity Muscle Atlas
Michael L. Richardson, M.D. source University of Washington, Radiology Department

Adductor Brevis
Adductor Longus
Adductor Magnus
Biceps Femoris-Long Head
Biceps Femoris-Short Head
Extensor Digitorum Longus
Flexor Digitorum Longus
Flexor Hallucis Longus
Gastrocnemius
Gluteus Maximus
Gluteus Medius
Gluteus Minimus
Gracilis
Iliopsoas
Obturator Externus
Obturator Internus
Pectineus
Peroneus Brevis
Peroneus Longus
Peroneus Tertius
Piriformis
Plantaris
Popliteus
Quadratus Femoris
Rectus Femoris
Sartorius
Semimembranosus
Semitendinosus
Soleus
Superior Gemellus
Tensor Fascia Lata
Tibialis Anterior
Tibialis Posterior
Vastus Intermedius
Vastus Lateralis
Vastus Medialis

Soleus

Origin Posterior aspect of fibular head, upper 1/4 - 1/3 of posterior surface of fibula, middle 1/3 of medial border of tibial shaft, and from posterior surface of a tendinous arch spanning the two sites of bone origin Insertion Eventually unites with the gastrocnemius aponeurosis to form the Achilles tendon, inserting on the middle 1/3 of the posterior calcaneal surface Action Powerful plantar flexor of ankle Innervation Tibial nerve (S1, S2) Arterial Supply Posterior tibial, peroneal, and sural arteries The medical illustrations contained in this online atlas are copyrighted © 1997 by the University of Washington.