STEP 2: The top of the screen should be at or slightly below eye level.
Shoulder Rotation: Pull your chair up to the desk so you're close to the keyboard and be sure to keep your head elevated and chin up, even if you have to look down to see the screen.
Some believe that working for extended lengths of time in unnatural positions may be related to musculoskeletal injury.
Use a footrest to support your feet as needed. It's easy to take shallow breaths when sitting down, but doing so will eventually lead to other problems. If a footrest is not available, try using a small stool or a stack of sturdy books instead.
If the desk is too low and can't be adjusted, place sturdy boards or blocks under the desk legs. How to Protect Yourself from Strain and Pain. Break work into smaller segments and switch between tasks that use different motions. Enjoy life. Take small breaks during your workday to release some of that muscle tension.
Arrange Your Workstation: Micheal Ananth Aug 6, 2016.
Glare and bright light directly behind your screen can cause eyestrain and be an uncomfortable computing experience. Some examples: Consider having the height of the surface holding your keyboard and mouse or trackball about 1 to 2 inches above your thighs.
If your computer is fairly far from your position when using your ideal posture, enlarging your computer's text and on-screen items will help combat this issue.
Many experts suggest that the ideal workstation lets you work in natural neutral postures that may minimize strain on your body. Symptoms may include pain, muscle fatigue, loss of sensation, tingling and reduced performance.
If you're like most people, you are more productive and efficient at a workstation that fits your body size.