Office Chair Posture: Adjust the Chair Before Adjusting Yourself
If your office chair makes you reach, slide, or brace all day, posture reminders will have a hard time fixing the setup.
Find a seat you can leave
Sit far enough back that the chair supports you without pressing into an uncomfortable spot behind the knees. Keep your feet supported and make sure you can shift your weight without losing balance.
A chair should give you options. If you have to hold one rigid position to stay comfortable, adjust the seat, desk height, or foot support before adding more posture cues.
Match the chair to the desk
After adjusting the chair, check the screen and keyboard. A chair that leaves your arms too low or your eyes too far below the monitor can send you into a reach. Bring the work close and keep the screen in front of you.
OSHA and Mayo Clinic both recommend treating the chair, desk, screen, and input devices as one setup.
Do not turn the chair into a rule
Change position, stand up, and walk during the day. Good chair posture still becomes tiring when you never leave it. Use a reminder tied to a meeting or work block if you tend to forget.
When the chair is not the whole issue
Persistent pain, numbness, or unusual symptoms need individual guidance. Stop movements that feel wrong and ask a qualified healthcare professional what is appropriate for you.