What is ? is a painful nerve problem that disrupts the use of your hand or hands. At first, you may have numbness, tingling, or burning in your hands. Shooting pain in your wrist or forearm may come after, and your grip may become weak. The cause of is when the tissue or bone puts pressure on the nerve of the hand that runs from your neck through your wrist to your fingers. Other causes may include: a)Injuries, such as a blow to the wrist. This may break one or more of the carpal bone and damage the median nerve. b)Arthritis related dise ....