Common peroneal nerve dysfunction is damage to the peroneal nerve leading to loss of movement or sensation in the foot and leg.
Neuropathy - common peroneal nerve; Peroneal nerve injury; Peroneal nerve palsy
Causes, incidence, and risk factors
The peroneal nerve is a branch of the sciatic nerve, which supplies movement and sensation to the lower leg, foot and toes. Common peroneal nerve dysfunction is a type of
Dysfunction of a single nerve, such as the common peroneal nerve, is called a
Damage to the nerve destroys the covering of the nerve cells (the
Common causes of damage to the peroneal nerve include the following:
- Trauma or injury to the knee
Fractureof the fibula (a bone of the lower leg)
- Use of a tight plaster cast (or other long-term constriction) of the lower leg
- Habitual leg crossing
- Regularly wearing high boots
- Pressure to the knee from positions during deep sleep or
- Injury during knee surgery.
People who are extremely thin or emaciated (for example, from
Charcot-Marie-Tooth disease is an inherited disorder that affects all nerves, with peroneal nerve dysfunction apparent early in the disorder.