"The ideal sitting posture is one that continually changes. The Thumper® Companion uses the latest science to ensure minimal stress on the low back tissues and provide for posture change. Using an inflatable air chamber, the user increases or decreases lumbar support. This avoids the stresses caused by prolonged, flexed posture. The easy-to-use inflation/deflation pump facilitates pressure adjustment to create regular posture change. Higher air chamber pressure is recommended later in the day to accommodate the diurnal change in disc hydration. Static back rests simply cannot provide these advantages."
Stuart M. McGill, PhD
Professor of Spine Biomechanics
Occupational Biomechanics and Safety Laboratories
Department of Kinesiology Faculty of Applied Health Sciences
University of Waterloo, Ontario, Canada

"Thumper® active back supports are beautifully designed with great support for the lumbar spine. The pumping action is easy to use and the air chamber actually lifts and provides axial distraction of the lumbar spine. This is a form of sitting traction, which decompresses the lumbosacral region. The beauty of Thumper® active back supports is the ease of variation with the pump and push-button release."
David Drum, DC
Toronto, Ontario, Canada

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