Lawrence O'Donnell's file. Lawrence O'Donnell is the host of MSNBCâs The Last Word. He was formerly the chief of staff for both the U.S. Senate Committee on Finance and the Committee on Environment & Public Works in the 1990's. He is also an actor, and has been executive producer of the television shows The West Wing and Mister Sterling.
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.
Damage to the nerve disrupts the myelin sheath that covers the axon (branch of the nerve cell). The axon can also be injured, which causes more severe symptoms. Common causes of damage to the peroneal nerve include the following: 1  Trauma or injury to the knee.  Fracture of the fibula (a bone of the lower leg)