Peroneal Nerve Injury - Video Lecture
12 years ago
What a foot drop is? An inability to raise the front part of the foot due to weakness or paralisys of the tibialis anterior muscle that lifts the foot. Usually it results from injury to the peroneal nerve which is susceptible to it at any point of its course. The peroneal nerve originates from the lumbar-sacral plexus, to be more precise from L4, L5, S1, S2 nerve roots. Both with the tibial nerve, they create a sciatic nerve. The route of the nerves are presented. Deep peroneal nerve innervate the tibialis anterior muscle of the lower leg, which is responsible for dorsiflexion of the ankle. Author presents the probable causes of foot drop. Next, an examination of the foot is presented. In the end treatment of peroneal nerve injury is explained.