Muscles - Lower Extremity Iliopsoas (Iliacus/Psoas major) Sartorius Adductors – Magnus / longus / brevis Pectineus Gracilis Quadriceps - Rectus femoris - Vastus medialis - Vastus intermedius - Vastus lateralis Tensor fascia latae Piriformis Hamstrings - Biceps femoris - Semitendinosus - Semimembranosus Gluteus maximus Gluteus medius Gluteus minimus Anterior tibialis Extensor digitorum longus Extensor hallucis longus Quadratus femoris Gemellus – Sup & Inf Obturator Int & Ext Extensor Digitorum brevis Peroneus / Fibularis longus Peroneus / Fibularis brevis Peroneus / Fibularis tertius Popliteus Flexor digitorum longus Flexor hallucis longus Posterior tibialis Gastrocnemius Plantaris Soleus