OEW button
Follow these ergonomic tips:

  • Hands, wrists, and forearms are straight, in-line and roughly parallel to the floor.
  • Head is level, or bent slightly forward, forward facing and balanced. Generally it is in-line with the torso.
  • Shoulders are relaxed and upper arms hang normally at the side of the body.
  • Elbows stay in close to the body and are bent between 90 and 120 degrees.
  • Feet are fully supported by the floor or a footrest.
  • Back is fully supported with appropriate lumbar support.
  • Thighs and hips are supported by a well-padded seat and generally parallel to the floor.
  • Knees are about the same height as the hips with the feet slightly forward.

https://www.osha.gov/SLTC/etools/computerworkstations/positions.html