RSIs of the forearm and wrist tendons are often caused by repeated overuse activities such as typing, writing and gripping. They result in the swelling of the tendons and pain.
A common nerve complaint often affecting middle-aged females but also seen in men. Most common cause is inflammation of the wrist tendons from repetitive activities such as typing and gripping. Symptoms can include numbness, tingling or burning in the thumb, index and middle finger or the whole hand. This can sometimes be alleviated by shaking the hand up and down.