NERVES OF SKELETAL MUSCLES 



129 



SPINAL NERVE SUPPLY TO PRINCIPAL MUSCLE GROUPS 



(Continued) 



REGION. 



MUSCLES. 



NERVE. 



THIGH Three adductors. 



Gracilis. . 



THIGH, ANTERIOR Quadriceps. 



rectus. 

 two vasti. 

 crureus.. 



THIGH, POSTERIOR ... Biceps. 



Semitendinosus. 



Semimembranosus 



LEG, ANTERIOR Anterior muscles (exten- 

 sors) 



LEG, LATERAL. 



Peroneus longus and brevis 



LEG, POSTERIOR Calf muscles. 



Deep muscles (flexors).. . . 

 FOOT Dorsum 



Plantar region 



Obturator (sciatic to 

 portion of ad. mag.). 



Femoral (anterior 

 crural). 



Sciatic. 



Deep peroneal (anterior 



tibial). 

 Superficial peroneal 



(musculo-cutaneous) . 



Tibial nerve. 

 Deep peroneal. 

 Medial and lateral plan- 

 tar. 



