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by Nada-Chair®
The Nada Chair Back Up is a support designed for computer users and other long term sitters. This simple support provides sustained and healthy pressure drawn from the knees which support the lower curve of the back. By using your knees for reverse pressure, the Back-Up provides dynamic stability for your lumbar spine so the upper back can sit, without effort, naturally upright. The Back-Up comes with handy adjustment straps that let you actively vary the comfort support. Further, the design of the Back-Up provides for precise placement of the pressure, just where you need it. This ergonomic adjustability guarantees comfort for hours. Best of all, the Back-Up is effective in any sitting position - cross-legged floor-sitting, on the ground with knees up or sitting up on any chair, bench or seat. And, last but not least, because of its portable frameless design, the Back-Up can zip up and go with you anywhere. The Nada Chair Back Up is the top of the line back sling. It's knee cushions and back pad are twice as thick as the next-in-line S'port-Backer. Recommended for those with bigger builds.
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