35 2 



THE INFERIOR EXTREMITY 



instance lying lateral to them, then anterior; but near the 

 ankle joint it again, as a rule, lies on their lateral side. It 

 passes posterior to the transverse and cruciate ligaments, 

 and ends by dividing into a medial and a lateral branch. 



In its course through the leg the deep peroneal nerve 

 gives muscular branches to the extensor digitorum longus, the 

 tibialis anterior, the extensor hallucis longus, and the peronoeus 

 tertius ; and a fine articular twig to the ankle joint. 



Extensor hallucis longus 

 Anterior tibial vessels and 



deep peroneal nerv 

 Extensor digitorum 

 longus 

 Peronaeus tertius -/ //wsm.&&&$Xi3:& 



M 



Peronaeus brevis 



Peroneal 

 retinaculum 



Peronaeus longus 



M. abductor 

 digiti quinti 



Plantar aponeurosis 



Transverse ligament 

 Tibialis anterior 



Tibia 



Talus 



Tibialis posterior 

 Deltoid ligament 



Flexor digitorum 

 longus 



Medial plantar artery 

 Medial plantar nerve 

 Flexor hallucis longus 

 M. abductor hallucis 



Lateral plantar nerve 

 Lateral plantar artery 

 M. flexor digitorum brevis 



FIG. 157. Frontal section through the Left Ankle Joint, Talus, 

 and Calcaneus (Paterson). 



The medial terminal branch of the deep peroneal nerve is 

 continued forwards upon the dorsum of the foot along the 

 lateral side of the dorsalis pedis artery. 1 At the posterior end 

 of the first interosseous space, it pierces the deep fascia, and 

 divides to supply the contiguous margins of the great toe and 

 the second toe (p. 337). Before it reaches the surface, it 

 furnishes articular twigs to the tarso-metatarsal and metatarso- 



1 Not uncommonly it crosses superficial to the artery and descends 

 along its medial side. 



