Peroneal nerve supplies which muscles

A distinctive gait where the knee is raised higher than normal to clear the foot from the ground when the leg swings forward also called steppage or foot drop gait. A doctor needs to accurately diagnose the underlying cause of a peroneal nerve injury in order to prescribe the most appropriate therapy. When assessing a person who may have a peroneal nerve injury, the doctor will begin with a careful history and proceed with a comprehensive clinical and neurologic exam.

In order to locate and fully determine the extent of the nerve injury, the doctor may order tests to evaluate how the muscles and nerves are functioning, including:. Nerve conduction study , which measures the amount and speed of conduction of an electrical impulse through a nerve. CT scan. MR neurography: An MRI that uses specific settings or sequences that provide enhanced images of nerves.

Depending on the location and degree of the nerve damage, the doctor may prescribe different courses of therapy. Sign in via: Open Athens Shibboleth. Become a subscriber to watch this video. If you have received this message in error for example, you have purchased a new subscription or activated a trial , please log out and log back in to start a new session and receive access.

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Articles Cases Courses Quiz. About Recent Edits Go ad-free. Edit article. View revision history Report problem with Article. Citation, DOI and article data. Knipe, H. Common peroneal nerve. Reference article, Radiopaedia. URL of Article. Foot drop can also be caused by problems unrelated to the deep peroneal nerve, including a bone overgrowth in the spinal canal, or a tumor or cyst compressing the nerve along the sciatic or common peroneal nerves. Foot drop causes your toes to stay pointed while walking, which can make it difficult for them to clear the ground when you swing your leg.

The foot tends to make a slapping sound when it comes down on the floor with each step because you can't control its motion as it's lowered. Doctors can pinpoint the cause of foot drop through various tests and scans, including:. How foot drop is treated depends on what's causing it. In some cases, it may not be treatable, and the associated pain and disability will be permanent. Sign up for our Health Tip of the Day newsletter, and receive daily tips that will help you live your healthiest life.

Garrett A, Geiger Z. Anatomy, bony pelvis and lower limb, calf deep peroneal fibular nerve. In: StatPearls. Updated December 13, Normal anatomy and compression areas of nerves of the foot and ankle: US and MR imaging with anatomic correlation. National Institute of Neurological Disorders and Stroke.

Foot drop information page. Updated March 27, Dynamic factors involved in common peroneal nerve entrapment neuropathy. Acta Neruochir. Neuromuscular Disease Center, Washington University. Common peroneal nerve.

Ortho Bullets. Deep peroneal nerve. The deep fibular nerve.