Michigan Orthopaedic Institute, P.C.
A Division of Michigan Orthopaedic Surgeons, L.L.C.
Affiliated with Beaumont Royal Oak
From http://lowendmac.com/bookrev/br07/0713.html
General Workstation Tips:
Screen monitor should be at eyelevel
Elbows rest at the side, bent at a 90 degree angle
Wrists are straight (neutral) and rest on a gel pad
Knees are level with or slightly lower than hips
Seat edge (by knees) is soft
Feet rest on the floor or on a footrest
Low and middle back is supported
Chair and desk height are appropriate for your height