No keyboard stands! The use of sloped keyboards or keyboard stands (the little legs on the bottom of keyboards) requires that we type with our wrists bent up, rather than in a resting/neutral state (wrist extension). This posture, aside from increasing pressure through the carpal tunnel, demands constant activation of the extensor muscles of the forearm which can result in pain, tendinitis and other problems. (more…)
Aside from the move obvious musculoskeletal risks posed by the iPad, like awkward neck postures, it also promotes other more subtle musculoskeletal risks not obvious at first glance. Specifically, I am concerned about the prolonged forceful and awkward gripping postures required to stabilize the device while in use. This has had me thinking equipment solutions, and thus far the best I have trialled is an Australian made product called the Book Seat. (more…)
Few people today use their computer exclusively for wordprocessing and most of us spend hours each day chasing a small cursor around the screen. For the majority of compuer users this is achieved by operating a mouse with their dominant (favoured) hand.
Traditional mouse operation is very taxing on the muscles, nerves, ligaments and joints of the wrist, elbow and in particular the shoulder. The extent to which one or all of these three joints is affected by mouse operation depends not only on predisposing factors (old injuries, genetics, smoking etc) but also the “mousing technique” of the person. (more…)