DORSAL ARTERY OF THE FOOT. 



183 



the extensor brevis muscle. The tendon of the extensor hallucis lies 

 on the inner side, and that of the extensor longus digitorum on the 

 outer, but neither is close to the vessel. 



The veins have the same position with respect to the artery as in position of 

 the leg ; and the nerve is external to it. 



veins and 

 nerve. 



Peculiarities. On the dorsum of the foot the artery is often external to a Varieties in 

 line drawn from the centre of the ankle to the back of the first interosseous dorsal 



artery. 



Anterior peroneal. 



Tarsal. 



Tendon of peroneus 

 tertius. 



Metatarsal 

 Posterior perforating. 



2nd, 3rd, and 4th 

 dorsal interosseous. 



Tendons of extensor 

 longus digitorum. 



Tendons of extensor 

 brevis digitorum. 



Dorsalis pedis. 



Internal tarsal 

 (occasional). 



Extensor longus 

 hallucis. 



Perforating branch. 



1st dorsal 

 interosseous. 



FIG. 70. ARTERIES ON DORSUM OF FOOT. 



space. The dorsal artery may also be reinforced or replaced by a large 

 anterior peroneal branch. 



BRANCHES. Small offsets are given to the integuments, and the Branches 

 bones and ligaments of the inner side of the foot. From the outer 

 side of the vessel proceed two larger branches named tarsal and 

 metatarsal ; and an interosseous branch is furnished to the first 

 metatarsal space. 



a. The tarsal branch (fig. 70) arises opposite the head of the Tarsal. 

 astragalus, and runs beneath the extensor brevis digitorum to the 



