sural nerve is a sensory nerve in the lower leg that lies close to the small
saphenous vein, situated in the calf. As the bundle of fibers form a branch of
the femoral nerve, it is also known as “short saphenous nerve”. The sural nerve
comes off branches of the sciatic nerve, which lies on the back of the thigh.
Where is the sural nerve
sural nerve specifically travels down the posterolateral leg and passes the
lateral malleous onto the dorsal aspect of the foot. It runs between the two
heads of the gastrocnemius and behind the peroneals. It has a branch that
crosses the insertion of the Achilles tendon. In cases of footwear that causes
rubbing on the heel or tightness around the heel bone the sural nerve can
become inflamed and agitated.
What does the sural nerve do?
innervates the muscles of lateral and posterior third of leg as well as the
lateral aspect of foot and heel. Like all nerves, the function of the sural
nerve is to send and receive information to and from the brain.
Sural nerve Function
predominantly supplies the nervous network to the skin round the rear of the
calf and down the side of your foot to your little toe. Its main function is to
send sensation information to the brain from the lower leg and outside of your
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