THE TIBIAL NERVE 



1011 



{d) The digital branches are four in number, the first, a proper plantar digital, 

 the second, third, and fourth, the common plantar digitals. Near the bases of the 



Fig. 771. — Muscle Nerves of the Right Leg, viewed prom Behind. (Spalteholz.) 

 The semitendinosus, semimembranosus, biceps femoris, gastrocnemius, plantaris, soleus, and 

 flexor hallucis longus have been wholly or in part removed. 



Sciatic nerve 



Popliteal vein — ' 



Popliteal artery --i 



I 



Vastus medialis '■' , 



i 



Adductor magnus — ■ 



Articular branch - 

 Tibial nerve - 

 Semimembranosus — , 

 Medial head of gastrocnemius 

 Lateral head of gastrocnemius 

 Popliteus 





— Biceps femoris 



— -Medial sural cutaneous nerve 



Common peroneal nerve 



Articular branch 

 Lateral sural cutaneous nerve 



"- Muscular branches 



\ ^ ^Wir 'l\u^'^"'^ Plantar muscle 



Posterior tibial artery -- 

 Tibial nerve - 



Flexor digitorum longus 



Posterior tibial arterj — L1...22-' ' 



Tibialis posterior — 



Head of fibula 

 - — Interosseus cruris nerve 



— Popliteal artery 



— Muscular branch 

 --Peroneal artery 



- - Muscular branch 

 — Flexor hallucis longus 

 — Peroneus longus 



--Peroneal artery 



- - Articular branch 

 ' — Flexor hallucis longus (cut) 

 -Sural nerve 

 Lateral calcaneal branches 



Tendo calcaneus (Achillis) 



Articular branch • 

 Medial calcaneal nerves " 

 Posterior tibial artery '"'' 



Laciniate ligament 



metatarsal bones, the second, third and fourth common plantar digital divide 

 into proper plantar digital nerves. 



The first proper plantar digital nerve becomes subcutaneous farther back than the others, 

 and, after sending a branch to the flexor hallucis brevis, passes to the medial side of the great 



