Repetitive strain injury (RSI) is a general term used to describe the pain felt in muscles, nerves and tendons caused by repetitive movement and overuse.
It’s also known as work-related upper limb disorder, or non-specific upper limb pain.
The condition mostly affects parts of the upper body, such as the:
- forearms and elbows
- wrists and hands
- neck and shoulders
RSI is related to the overuse of muscles and tendons in the upper body.