A straightforward method for using joint angles and chair height to reduce strain, prevent injuries, and improve posture.
When analyzing my computer posture, I look at these 3 joints first:
→ Elbows, hips, and knees.
The bare minimum for me is a 90 degree angle for all those joints.
I personally prefer slightly more than 90 degrees for all 3.
Anything less than 90 degrees is causing overuse of muscles somewhere.
And holding those muscles activated for 8 hours a day causes repetitive strain injuries.
Which leads to excessive tension, chronic pain, and joint dysfunction.
Ironically, I can usually fix the angle of all 3 joints by adjusting my chair height.
Here’s how I get correct chair height:
→ I adjust my chair height until my elbows are slightly above my desk level.
→ This correct chair height should also raise my hip level above my knees (if it doesn’t, my desk level is way too low).
→ This correct chair height should allow my elbows, hips, and knees to be in comfortable positions, all slightly more than 90 degrees.
If you like this article, my Computer Posture Newsletter should be very helpful for you. (it’s free)
Especially if you’re an athlete who sits at a computer for a living.
I write about easy, actionable ways to:
- Improve posture
- Decrease computer pain
- Increase work productivity
- Increase energy
- Improve mental clarity
- Decrease muscle tension
- Improve joint function
- Speed up muscle recovery
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Thanks for your interest in computer posture.
Todd Bowen – Computer Posture Correction and Pain-Free Ergonomics: For Office Workers Who Want to Increase Work Productivity