If the seat is too high or the seat pan is too large, you may be exposed to static loading. This is because you are not able to adjust the back correctly. This often results in the person leaning forward, rather than sitting against the backrest. This can cause damage because it presses the spine out of the natural curve, which puts pressure on the discs.
All office chairs need to be adjustable, in all directions. The seat must tilt forward and back, as well as being able to adjust up and down. This is vital if you are going to maintain correct posture when you are sitting all day long.
A lot of people ignore the upholstery when shopping for office chairs. However, this is another vital element. If you are going to be sitting on the chair all day, you need to make sure that the fabric is comfortable to touch. You don’t want something that is going to cause your body to overheat or something that is itchy or abrasive. Look for breathable upholstery when shopping.
Last but not least, a common sign that an office chair is not right for you is if the angles of your ankles, knees and hips are not comfortable at 90 degrees. The chair is either too short or too tall for you if your hips are not at a 90-degree angle.
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