160 



THE SKELETON 



The posterior surface is little more than a ridge of bone traversed obliquely 

 by a deep groove, Avhich receives the tendon of the flexor longus hallucis muscle. 

 Externally, this groove is limited by a prominent tubercle, Avhich affords attach- 

 ment to tile posterior fasciculus of the external lateral ligament of the ankle. 



Fig. 166. — The Left Foot. (Dorsal surface.) 



Teudo Achilli: 



Extensor brevis 

 digitorum 



Extensor longus 

 hallucis 



Extensor brevis 

 digitorum 



Peroneus brevis 



PeroneuB tertius 



FIRST PHALANX 



SECOND PHALANX 

 THIRD PHALAMX 



Extensor longus digitorum 



The neck is tin- constricted portion of the Iwne, and is continuous posteriorly 

 with the l)ody of tlie astragalus. Superiorly, the neck is rough, and lias numerous 

 foramina for blood-vessels. Infcriorly, it presents a deep groove, directed from 



