Nerves at risk during foot + ankle surgery Flashcards
ORIF fibula
SPN
crosses fibula 7-11cm proximal to tip
anterolateral arthroscopy portal
SPN
plantarflex 4th toe to see SPN
anteromedial arthroscopy portal, ORIF medial malleolus
saphenous
medial to tib ant
anterior approach to ankle
DPN
deep to and between tib ant + EHL
anterior central arthroscopy portal
DPN
deep to and between tib ant + EHL
ORIF medial malleolus, posteromedial arthroscop portal
tibial
deep to post tib + FDL
sup to FHL
peroneal reconstruction
Sural
anterolateral to Achilles, often crosses field distal to fibula
ORIF calcaneus
Sural
anterolateral to Achilles, often crosses field distal to fibula
Lateral ligament reconstruction
Sural
anterolateral to Achilles, often crosses field distal to fibula
posterolateral arthroscopy portal
Sural
anterolateral to Achilles, often crosses field distal to fibula
ORIF 5th MT
Sural
Dorsal, medial to base of 5th MT
ORIF LisFranc
DPN
runs deep to EHB over dorsum of 1-2 MT bases with DPA
Bunion - medial approach
Medial dorsal cutaneous nerve of hallux
subcutaneous tissue dorsal medial 1st MT + head of 1st MT
Sesamoids
digital nerve of hallux
immediately plantar to sesamoids
plantar fascia release
medial calcaneal
may exit thru abductor hallucis fascia or plantar fascia at level of release