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Adjust Your Home Office Chair in 6 Steps: Feet, Back and Armrests

If your feet dangle or your shoulders rise at the keyboard, review both chair and desk setup. These six checks follow OSHA workstation guidance.

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Wikimedia Commons · Photo: Wikiediter2029 / Wikimedia Commons (CC0 1.0; attribution provided voluntarily) · CC0 1.0 ↗

Before buying a different chair, check the adjustments available on your current one. No single seat height fits everyone. The photo shows an ordinary office chair, not a certified example of correct posture.

Your try-it-at-home checklist

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1. Check the chair base and casters for damage and use a level floor. Stop using the chair if parts are broken; follow the maker's instructions.
2. Sit back against the backrest and adjust height so the whole soles of your feet are supported. If you must raise the chair to reach the desk, use a stable footrest.
3. Check seat depth: support most of each thigh without pressing the seat's front edge into the backs of your knees.
4. Position the backrest's lumbar support at the curve of your lower back. A small support cushion may help if your chair lacks adjustment; change it if uncomfortable.
5. Set armrests so your shoulders stay relaxed and elbows remain close to your sides. Lower or adjust armrests that prevent you from approaching the desk, following the product instructions.
6. Keep the keyboard near elbow height with wrists reasonably straight; check your monitor and desk positions as well. Change posture regularly instead of holding one position for hours.

US OSHAComputer Workstations — Chairs ↗Primary chair adjustment guidance: supported feet, adequate seat depth, lumbar support, relaxed shoulders and armrests.US OSHAComputer Workstations — Keyboards ↗Keyboard relative to elbows and neutral wrist position; workstation adjustments belong together.Office of Congressional Workplace RightsOffice Ergonomic Guidance ↗Additional official confirmation on feet support, back support, elbows and keyboard placement.Wikimedia CommonsFile:Office Chair.jpg ↗Own-work photograph by Wikiediter2029; file page explicitly dedicates it to CC0 1.0.Wikimedia CommonsCommons: Reusing content outside Wikimedia — technical guidance ↗Confirms Wikimedia Commons permits direct hotlinking, while preserving independent requirements to satisfy individual file licenses and attribution.

Your try-it-at-home checklist

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