... fromLundborg G: Nerve Injury and Repair. New York: Churchill Livingstone, 1988, p 33.)AxonMyelin sheathAxonSchwann cell Node of RanvierEndoneuriumEpineuriumPerineuriumVol 8, No 4, July/August ... debate as to howlong they remain viable for reinner-vation, with estimates ranging from1 year to several years. As withmuscle reinnervation, however, it isevident that early reinnervation ... con-tractures and eliminate the effects ofgravity during initial motor recov-ery, thereby enhancing muscularperformance. Biofeedback may pro-vide sensory input to facilitatemotor reeducation....