The sural nerve (L4-S1) is generally considered a pure cutaneous nerve of the posterolateral leg to the lateral ankle. The sural nerve originates from a combination of either the sural communicating branch …

Nov 6, 2025 · The sural nerve is a cutaneous nerve of the lower limb, formed by contributions from the tibial and common fibular nerves. It supplies the skin over the posterolateral leg and foot.

Jan 18, 2022 · Your sural nerve is below your skin’s surface in the back of your lower leg (calf). It’s part of your peripheral nervous system, which helps your brain communicate with the rest of your body.

Dec 17, 2024 · Find out about the sural nerve, including its function, location, health problems, and more.

Dec 22, 2025 · The sural nerve plays an important role in the nervous system of the calf, ankle, and foot. It is a sensory nerve that carries afferent signals from the skin in these regions back to the spinal …

Aug 7, 2025 · The sural nerve is a sensory nerve located in the lower leg and foot, playing a role in how the body perceives its surroundings. It transmits information about sensation from the skin to the brain.

Learn about the sural nerve's origin, course, branches, and its sensory supply to the leg and foot.

As the sural nerve is purely sensory function dysfunction results in only a relatively trivial deficit. For this reason, it is often used for nerve biopsy, as well as the donor nerve for nerve grafts.

Nov 2, 2023 · The sural nerve is a cutaneous nerve, providing only sensation to the posterolateral aspect of the distal third of the leg and the lateral aspect of the foot, heel, and ankle.

Dec 5, 2022 · The sural nerve is a sensory nerve that supplies parts of the lower leg and foot. Find out more about its anatomy on Kenhub!