Clinical Procedure
 
Aliases:
Foot block
Ankle nerve block

Topic aliases are alternate phrasings for a particular topic.


Anatomy of nerves to block

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Posterior tibial nerve:
Supplies sole of the foot. 3-5ml dorsal to posterior tibial artery (posterior to medial malleolus)

Saphenous nerve:
Supplies skin medially from inner ankle & variable up to the great toe. 5ml superficially around saphenous vein.

Deep peroneal nerve:
Supplies skin between 1st & 2nd toe. Inject 3ml below dorsalis pedis artery.

Superficial peroneal nerve :
Supplies medial forefoot & dorsum of foot. Superficial wheal, 5ml between tibia & lateral malleolus.

Sural nerve: Supplies lateral edge of foot, variable to 5th toe. Superficial wheal 5ml between lateral malleolus & achilles tendon.

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The posterior tibial nerve is the biggest of these nerves to be blocked, so block this first. peripheral-nerve-blocks.o...

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Three superficial wheals, 5ml each:
1. saphenous nerve,
2. superficial peroneal nerve,
3. sural nerve.

Two deep injections, 3ml each:
1. deep peroneal nerve,
2. posterior tibial nerve

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Excellent online reference here with photographs refl.in/km

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