Tibial Nerve: Difference between revisions

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|motorinnervates=[[Posterior Compartment of the Thigh]], [[Posterior Compartment of the Leg]], muscles of the sole of the foot
|motorinnervates=[[Posterior Compartment of the Thigh]], [[Posterior Compartment of the Leg]], muscles of the sole of the foot
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==Lesion Effect==
A high lesion of the tibial nerve results in
*Loss of flexion of the toes and inversion of the foot.
*Loss of sensation of the sole of the foot, inferior aspect of the toes, and nail beds
[[File:Posterior leg nerves Gray832.png|thumb|right|Nerves of the right lower limb, posterior view]]
[[File:Posterior leg nerves Gray832.png|thumb|right|Nerves of the right lower limb, posterior view]]
{{Nerves of the lumbosacral plexus|state=collapsed}}
{{Nerves of the lumbosacral plexus|state=collapsed}}

Revision as of 08:26, 18 April 2022

Sacral and pudendal plexuses Gray828.png
Plan of sacral and pudendal plexuses (Tibial nerve labelled at centre left)
Tibial Nerve
Nerve Type Mixed nerve
Origin One of the two branches of the sciatic nerve in the lower third of the thigh. L4-S3.
Course Through popliteal fossa, deep to gastrocnemius, and under the flexor retinaculum of the ankle.
Major Branches Sural Nerve, Medial Plantar Nerve, Lateral Plantar Nerve, Medial Calcaneal Nerve
Sensory innervation Articular branches to the joints of the knee, ankle, and foot. Cutaneous branches to the posterior calf and sole of the foot.
Motor innervation Posterior Compartment of the Thigh, Posterior Compartment of the Leg, muscles of the sole of the foot

Lesion Effect

A high lesion of the tibial nerve results in

  • Loss of flexion of the toes and inversion of the foot.
  • Loss of sensation of the sole of the foot, inferior aspect of the toes, and nail beds
Nerves of the right lower limb, posterior view