310 



Till-: Ml'SCLES. 



i-<>iiipt>aud of the ga*trocnmii, of wliich we will say nothing, and the soleut. The lattrr 

 i> iliitu-ned from before to behind, uttuchcd to the um>er third of the fibula, tli> oMi^m' 

 line of the tibia, and the middle third of the inner border of this bone, and terminated 

 \<\ mi uponeurotic lamina which is blended with the tendo-Aehilles. Tin- filnnlarig in 

 formed by a small fusiform muscular body, situated beneath the external gemcllua, t ln-n 



Fig. 139. 



Fig. 140. 



y v 



3 



MUSCLES OF THE HUMAN LEO; ANTERIOR 



TIBIAL REGION. 



1, Quadriceps extensor inserted into the pa- 

 tella the figure is on the tendon of the 

 rectus, the vast us internus and externus 

 being on each side ; 2, Subcutaneous sur- 

 face of the tibia; 3, Tibialis anticus; 4, 

 Extensor longus digitorum ; 5, Extensor 

 proprius pollicis; 6, Peroneus tertius; 7, 

 Peroneus longus ; 8, Peroneus brevis ; 9, 9, 

 Borders of the soleus muscle ; 10, Part of 

 the inner belly of the gastrocnemius ; 11, 

 Extensor brevis digitorum the tendon in 

 front of the cipher is that of the peroneus 

 tertius, that behind it the peroneus brevis. 



by a long slender tendon, which is confoundal with the inner border of the tendo- 

 Achilles, or is inserted into the os raids. 



The deep layer is composed of four muscles : 



1. The popl'iteru, which in its attachments and position n-wml.le.s that of animals. 



2. The common long flexor of the tott, corresponding to the oblique flexor of animals. 



SUPERFICIAL POSTERIOR MCSCLE8 OF 

 THE HUMAN LEO. 



1, Biceps forming outer ham-string; 2, Ten- 

 dons forming inner ham-string; :i, 1'njili- 

 teal space ; 4, Gastrocnemius ; 5, 5, Soleus ; 

 6, Tendo-Achilles ; 7, Posterior tubcrsity 

 of os calcis ; 8, Tendons of peroneus longus 

 and brevis passing behind the outer ankle ; 

 9, Tendons of tibialis posticus and flexor 

 longus digitorum passing into the foot 

 behind the inner ankle. 





