How to pick the best chair WIDTH & DEPTH A width of 17-20 inches is standard. Your chair needs to be deep enough so you can sit with your back against the backrest while leaving around two to four inches ARM RESTS They should allow your arms HEIGHT to rest comfortably and The seat should be easily shoulders to be relaxed. adjustable. It should be Forearms should not be on the 16-21 inches off the floor armrest when typing (dependent on the user's (increased risk of height), allowing your tendonitis). feet to sit flat on the floor. between the back of your knees and the seat. BACKREST The backrest should be 12-19 inches across, separate from the seat and adjustable in height and angle. LUMBAR SUPPORT SEAT MATERIAL Lower back support is vital. A good quality chair should have lumbar adjustment (both height The material should have enough and depth) so you can get padding to be comfortable to sit the right support for the on for extended periods. inward curve of your Breathable cloth fabric lower back. is preferable to harder materials. SWIVEL Any conventional or ergonomic chair should easily rotate so you can reach different areas of your desk without straining. 204