Excessive amounts of typing is a well-known cause of carpal tunnel syndrome (CTS), which is a painful wrist strain that can go up your arm. CTS can get bad enough to cause permanent nerve damage and muscle wasting.
打字太多会引起腕管综合症，症状是手腕紧张疼痛，甚至还会影响到整个手臂。腕管综合症还会导致永久性神经劳损和肌肉萎缩。