=====Anterior tibial muscle===== In neurosurgical practice, anterior tibial muscle paralysis is generally thought to be due to axonal degeneration of nerve fibers, derived from spinal segment [[L5]]. However, modern electrophysiological studies to determine the segmental innervation of anterior tibial muscle showed considerable individual variations and segmental overlap ((Voermans NC, Koetsveld AC, Zwarts MJ: Segmental overlap: Foot drop in S1 radiculopathy. Acta Neurochir (Wien) 148: 809-813, 2006)).