Repetitive stress injuries (RSI) is a catch-all terms used to refer to many painful conditions, such as trigger finger, nerve spasms, and carpal tunnel syndrome. They can cause stiffness, swelling, tingling, weakness, numbness and, in some cases, irreversible nerve damage.

The term includes a group of disorders that most commonly develop in workers using excessive and repetitive motions of the head and neck extremity.

Cumulative trauma disorders (CTDs) are injuries sustained through performance...