What is Repetitive Strain?

A repetitive strain injury (RSI) is an injury to part of the musculoskeletal or nervous system caused by repetitive use, vibrations, compression or long periods in a fixed position. Other common names include repetitive stress disorders, cumulative trauma disorders (CTDs), and overuse syndrome.


RSI can occur when you do repetitive movements. Those movements can cause your muscles and tendons to become damaged over time.
Some activities that can increase your risk for RSI are:
stressing the same muscles through repetition
maintaining the same posture for long periods of time
maintaining an abnormal posture for an extended period of time, such as holding your arms over your head
lifting heavy objects
being in poor physical condition or not exercising enough

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