What's the Best Sitting Position for My Back?
There's no perfect sitting position. The best position is your next position— changing positions frequently matters more than finding the "right" one. That said, aim for feet flat, thighs parallel to floor, hips slightly above knees, and lumbar support. Move every 30 minutes regardless of position.
The Dirty Secret
Here's what ergonomic chair companies don't want you to know: there's no "correct" sitting position that you can hold for 8 hours. No chair, no matter how expensive, will prevent damage if you sit in it all day without moving.
Reasonable Guidelines
While there's no perfect position, these guidelines help minimize strain:
- Feet flat: On the floor or a footrest, not dangling
- Thighs parallel to floor: Or hips slightly higher than knees
- Lumbar support: Chair should support the natural curve of your lower back
- Monitor at eye level: Top of screen at or slightly below eye level
- Elbows around 90 degrees: Forearms parallel to floor when typing
- Shoulders relaxed: Not hunched up near your ears
Why There's No Perfect Position
Your body isn't designed to hold any position for hours. Even "perfect" posture causes problems when held too long. Muscles fatigue, blood flow decreases, pressure builds on tissues. The only thing that helps is movement.
The Real Answer
The best sitting position is one you're not in for more than 30 minutes. Slouch sometimes. Sit upright sometimes. Cross your legs sometimes. Lean back sometimes. Just keep changing positions, and stand up regularly.