Tibial nerve Flashcards
What are the nerve roots of the tibial nerve?
L4 - S3
Where does the tibial nerve arise?
Popliteal fossa
What does the tibial nerve do in the popliteal fossa?
Gives off branches to sural nerve
What does the tibial nerve pass down?
Posterior leg
What does the tibial nerve do in the ankle?
Passes posteriorly and ineriorly to medial malleolus
What does the tibial nerve pass through in the ankle?
Tarsal tunnel
What does the tibial nerve do in the tarsal tunnel?
Divides into
medial calcaneal branches
medial plantar nerve
lateral plantar nerve
What are the motor functions of the tibial nerve?
Posterior leg muscles
What are the sensory branches of the tibial nerve?
Sural nerve
Medial calcaneal branches
Medial plantar nerve
Lateral plantar nerve
What does the sural nerve innervate?
Posterior and lateral leg
Lateral foot
What do the medial calcaneal branches supply?
Heel of foot
What do the medial plantar nerves supply?
Medial plantar surface of foot
Plantar surface of medial 3.5 toes
What do the lateral plantar nerves supply?
Lateral plantar surface of foot
Plantar surface of lateral 1.5 toes
