Peroneal Nerve Location, Injury, Causes of Pain and Palsy

Overview The peroneal nerve, also known as common fibular nerve, is one of the branches of the sciatic nerve. It is the most commonly injured nerve of the lower leg due to its location. Peroneal nerve injury and disease may arise due to various possible causes ranging from trauma, compression or infection. Apart from sensory symptoms such as pain, tingling and numbness with peroneal nerve disease there are other major motor symptoms since the peroneal nerve supplies the muscles that control the movement of the foot. These motor symptoms are known as foot drop. The Peroneal Nerve The peroneal nerve is the smaller terminal branch of the sciatic nerve, which arises from the lumbar and sacral spinal nerves (L4 to S2). The other terminal branch of the sciatic nerve which is much larger is the tibial nerve. It has two branches – superficial peroneal nerve and deep peroneal nerve. The proper term for the peroneal nerve before it terminates into the superficial and deep branches is the common peroneal nerve. It also gives off another branch which is known as the lateral sural cutaneous nerve. Location of the Peroneal Nerve The peroneal nerve begins at the top of the popliteal … Continue reading Peroneal Nerve Location, Injury, Causes of Pain and Palsy