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MUSCLES OF THE LOWER EXTREMITY. 



THE muscles of the lower extremity may be arranged into groups 

 corresponding with the regions of the hip, thigh, leg, and foot, as in 

 the following table : 



HIP. 



Gluteal Region. 



Gluteus maximus, Gluteus medius, 



Glutens minimus, Pyriformis, 



Gemellus superior, Obturator internus, 



Gemellus inferior, Obturator externus. 

 Quadratus femoris. 



THIGH. 



Anterior Femoral Region. Internal Femoral Region. 



Tensor vaginae femoris, Iliacus internus, 



Sartorius, Psoas magnus, 



Rectus, Pectineus, 



Vastus internus, Adductor longus, 



Vastus externus, Adductor brevis, 



Crureus. Adductor magnus, 

 Gracilis. 



Posterior Femoral Region. 



Biceps, 



Semitendinosus, 



Semimembranosus. 



Anterior Tibial Region. Posterior Tibial Region. 



Tibialis anticus, Superficial Group. 



Extensor longus digitorum, Gastrocnemius, 



Peroneus tertius, Plantaris, 



Extensor longus pollicis. Soleus. 



Fibular Region. Deep [posterior] Layer. 



Peroneus longus, Popliteus, 



Peroneus brevis. Flexor longus pollicis, 



Flexor longus digitorum, 

 Tibialis posticus. 



Dorsal Region. 



Extensor brevis digitorum, 

 Interossei dor sales. 



