Tibial nerve

Tibial Nerve

The Tibial Nerve (/ˈtɪbiəl ˈnɜːrv/; from Latin tibia, meaning "shinbone") is one of the major nerves in the lower leg. It is a branch of the sciatic nerve, the longest and widest nerve in the human body.

Anatomy

The tibial nerve originates in the lumbosacral plexus, a network of nerve fibers that provides motor and sensory nerves for the posterior thigh, most of the lower leg, the entire foot, and part of the pelvis. It travels down the posterior part of the leg, passing through the tarsal tunnel on the inner part of the ankle.

Function

The tibial nerve provides motor innervation to the muscles of the lower leg and foot. It also carries sensory fibers from the skin of the foot and from the joint capsules of the foot.

Clinical significance

Damage to the tibial nerve can cause a condition known as tarsal tunnel syndrome. This is characterized by pain, numbness, or tingling in the sole of the foot.

Related terms

• Sciatic nerve
• Lumbosacral plexus
• Tarsal tunnel
• Joint capsule
• Tarsal tunnel syndrome

External links

• Medical encyclopedia article on Tibial nerve
• Wikipedia's article - Tibial nerve

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