Superficial peroneal nerve

The superficial peroneal nerve branches off the sciatic nerve, or the common peroneal nerve, which winds around the funny bone's fibular head near the knee. To image the peroneal nerves, the knee can be flexed by placing a pillow under the ankle. The superficial peroneal nerve is connected to two muscles found in the leg's lateral component: the brevis and the peroneus longus. The superficial peroneal nerve follows the perimeter of the fascia, between the leg's anterior and lateral compartments. It pierces the fascia lata to emerge and then travels into the leg's subcutaneous tissues. Because the superficial peroneal nerve powers the muscles that lift the toes and feet, damage to it may cause foot drops. Foot drops are characterized by pain and numbness in the shin and on top of the foot, as well as weakness during foot extension. Research shows that individuals with superficial peroneal nerves with SNAP amplitudes greater than 10mA are prone to diabetic peripheral polyneuropathy.
Written and medically reviewed by the Healthline Editorial Team
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In Depth: Superficial peroneal nerve

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