Detailed Answer
Optimal typing posture reduces fatigue and injury:
- Sit upright with back supported (lumbar curve).
- Feet flat on floor (or footrest).
- Elbows at 90–100°, forearms parallel to floor.
- Wrists straight (neutral, not bent up/down or sideways).
- Keyboard at elbow height (adjust chair or desk).
- Monitor top at or slightly below eye level, arm's length away.
- Shoulders relaxed, not hunched.
- Keyboard centered on your body (B key aligned with sternum).
- Use a palm rest only for resting between typing – never while typing (causes carpal tunnel).
Take micro-breaks every 30 min. Poor posture reduces speed by 10–20% and causes long-term damage. Use online posture checklists (e.g., OSHA ergonomics guide).