OH! Magazine - Australian Version February 2014 (Australian Version) | Page 26

(OH, REALLY?) ERGONOMICS 101: OPTIMUM WRIST POSTURE Osteopath Heath Williams talks ergonomics to help you achieve optimum wrist posture while at a computer. o many of us spend the majority of our time at a computer, and with the new working year upon us, there’s no better S time to assess your current wrist positions when typing and using your mouse, and help you identify whether your current working ergonomics are suitable, or whether you may require a different keyboard, mouse and/or use of a wrist support. Wrist position while using a mouse a lot of time with your wrist in an extended position (one of the most commonly observed wrist position faults) may increase your chance of developing wrist and/or hand strains and sprains. A wrist support may be of benefit if you find that your wrist drops into extension when using a mouse, as it can help to Diagram 1 prevent this wrist extension. When looking from above (bottom left image in Diagram 1), your wrist should also be straight. The bottom left image also shows a deviation of the wrist to the left or right, which is also not a desired position. Spending a lot of time using the mouse with ulnar or radial deviation may increase your risk of developing overuse type injuries such as tendinopathies. If you continue to have issues with your wrist while using a When using a mouse your wrist position should be neutral/ straight when looking from the side (see top image in Diagram 1). A wrist that is extended or flexed is not desirable, as spending 26 ISSUE 7 ( OH! MAGAZINE ) mouse, further assessment from an osteopath may be required. Alternative options to improve wrist and mouse ergonomics include an ortho mouse, vertical mouse or mouse joystick.