entrapment of the median nerve at the wrist with weakness of the thumb and loss of sensation in the thumb, index, middle and half of the ring finger. It can present with pain during the night and first thing in the morning.
Pressure on the median nerve at the point at which it passes through the carpel tunnel of the wrist. Causes soreness and tenderness of the muscles of the thumb. (See CTD).
This medical symptom is sometimes attributed to repetitive motion injuries usually caused by a tool that is not ergonomically designed for the operator.