CONTROLLING a computer mouse with your left hand is better for your posture.
Alain Delisle at the Robert-Sauvé Occupational Health and Safety Research Institute in Montreal, Canada, asked 27 right-handed volunteers to control their mouse using their left hand for a month. He found they were able to complete standard computing tasks using much smaller movements of their shoulders, arms and wrists (Applied Ergonomics, vol 35, p 21). It is these movements that can lead to musculoskeletal problems.
The reason for the improvement, says Delisle, is that standard computer keyboards are not symmetrical, and with the letter keys centred…
