This chair is exactly what I hoped it would be. It relieves pressure on my lower back, helps me to sit up straight and tall at my desk, and is retraining my abs to be engaged while sitting.The padding is generous.I'm no longer leaning on one or both elbows at my desk during the day.I have had the chair three weeks, and as expected, my body still gets fatigued by the end of Thursday & Friday afternoons, but overall, I've made the transition well. (I expect that in another 2-3 weeks, the fatigue will end.)I personally have not needed to use a regular chair to supplement this chair. I have given the chair 4 stars instead of 5 due to an engineering flaw that may be hard to describe in a review.The pivot point on the chair is near the knee pads.To raise and lower the seat, there is a screw under the seat.Because of the position of these moving parts, the front casters are only in perfect alignment (perpendicular to the floor) when the seat is fully lowered.With the seat at the height I'm using, the casters are at about a 30 degree angle from perpendicular, which means they don't swivel and barely roll.It's not a deal breaker for me, but I wonder if the casters can bare the weight long-term at this angle. I would not recommend if you have beautiful floors, as I'm sure I'm scraping my chair mat.
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Product Description:
Office Star Products Knee Chair with casters is made with a black metal frame and has thick padded seat and knee pads with memory foam.Knee chair features an ergonomic design, manual height adjustment, and dual wheel casters.Ships ready to assemble.
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