I haven't a problem at the moment but it could happen anytime and prevention is always better.
Perhaps this would make a useful 5 minute discussion between talks at the meeting, especially if people could bring their pet mice to show. Roger Sean Gibbins wrote: > Chris Smith wrote: > >> Sean Gibbins wrote: >> >> >>> I've not seen these but would say that they still encourage the >>> micro-movements. >>> >>> >> I'm not quite sure what you mean by 'micro-movements' in this context? >> It's still a mouse, so obviously needs to be moved around the pad. >> > > Micro-movement is a term used by physical therapists usually in relation > to RSI-type injuries. In this case it refers to utilising an incredibly > small portion of the big range of movement available in the shoulder > joint. Chuck in some poor posture, long hours and a bit of stress and > things can get very unpleasant. > > It's moving the whole mouse around that is a problem for some people > since the movement comes not only from the wrist but also from the > shoulder, and small repeated movements can encourage inflammation and > spasm. Once that is in place you get into a vicious circle, with less > movement required to cause more inflammation and spasm. > > Old-style mice with their attendant gunk problems are a real nightmare, > and using one of these for about 30 mins is enough to flare my neck and > shoulder up a treat! > > So, whilst laser mice and good ergonomic design might lessen the damage > in comparison to one of these, it might not be enough to get the patient > pain-free. > > The trackball requires little or no movement from the shoulder since you > pretty much put all of the weight of your arm down onto the base and let > the fingers do the rest, allowing the shoulder to relax and relieve > tension in the neck. > > Sean > > > ------------------------------------------------------------------------ > > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 8.5.287 / Virus Database: 270.12.7/2085 - Release Date: 04/28/09 > 18:02:00 > > -- Please post to: Hampshire@mailman.lug.org.uk Web Interface: https://mailman.lug.org.uk/mailman/listinfo/hampshire LUG URL: http://www.hantslug.org.uk --------------------------------------------------------------
