 Transient change in bladder control may occur, but this also resolves within a few weeks.If a certain degree of permanent numbness remains in certain leg muscles, such as the quadriceps, ankles, and feet, this is usually not enough to prevent feeling and sensation, sensing of changes in temperature or pressure, etc.The affected muscle areas simply feel less than before, and the trade-off in ease of movement is said to be immensely worth this change, should it occur.