Repetitive Strain Injury (RSI)
RSI is a painful condition which causes the tendons in the wrists and lower arms to become inflammed. This leads to pins and needles or a painful burning sensation.
It is caused by prolonged repetitive movements such as using a computer keyboard or piano.
Risk can be reduced by taking regular breaks, using an ergonomic keyboard and using wrist rests.
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Click on this link: Repetitive Strain Injury