Hi Noushin I'm sure the ergonomists on the lists will also reply but my first instinct is that it is already advised that th 90 degree angle at the hip can result in flattening on the lumbar curve and that a slight positive tilt of the seat rectifies that; most modern office seating allows for this (and it is also a useful recommendation for people who cycle a lot). I often recommend the reclined posture a variant posture that can be adopted when on the phone etc but obviously it is not ideal/desirable for typing! They are always looking at postures in the laboratory environment where they can easily manipulate all the other factors e.g desk angle... in the real world where even height adjustable desking is not standard, angle adjustable desking/keyboard trays etc and associated hardware are utopia I feel. Carr On 09/05/2008, N. Rostami <[log in to unmask]> wrote: > > http://news.bbc.co.uk/2/hi/health/6187080.stm > > > I would be very grateful if our colleagues with speciality in ergonomics > give some feedback on the finding of this research. > > Thanking in advance. > > ~~~~~~~~~~~~~~~ > Please remove this footer before replying. > > OCC-HEALTH ARCHIVES: > http://www.jiscmail.ac.uk/lists/occ-health.html > > CONFERENCES AND STUDY DAYS: > http://www.jiscmail.ac.uk/cgi-bin/filearea.cgi?LMGT1=OCC-HEALTH > > OCCUPATIONAL HEALTH JOBS > http://OHJobs.drmaze.net > > OCCUPATIONAL HEALTH NURSING EDUCATION > http://www.aohne.org.uk > ~~~~~~~~~~~~~~~ Please remove this footer before replying. OCC-HEALTH ARCHIVES: http://www.jiscmail.ac.uk/lists/occ-health.html CONFERENCES AND STUDY DAYS: http://www.jiscmail.ac.uk/cgi-bin/filearea.cgi?LMGT1=OCC-HEALTH OCCUPATIONAL HEALTH JOBS http://OHJobs.drmaze.net OCCUPATIONAL HEALTH NURSING EDUCATION http://www.aohne.org.uk