Frequent incorrect use of a mouse when working on the computer can lead to a condition known as Repetitive Strain Injury (RSI), otherwise known as mouse arm, warn experts.

‘Tingling, numbness, and weakness in the lower arm and hands are the first signs of overstressing of the tendons and nerves due to monotonous motion,’ explains Frank Bergmann, head of the German Association of Nerve Doctors (BVDN).