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How the Nada Chair works
All Nada-Chairs effectively prevent slouching while relieving back pain related to prolonged sitting. They improve posture by using the knees to keep the pelvis stabilized in an upright position. The result? Lower back pain relief!
 Doctors througout the world have been using and recommending Nada Chairs for over 15 years, teaching their patients to sit properly. They stress the importance of protecting patients' intevertebral discs by maintaining good posture while sitting. Using the Nada-Chair avoids muscle fatigue over time - a main cause of slouching, which can lead to permanent disc degeneration. The Nada Chair acts like an extra muscle that never tires, keeping your back and dics healthy and secure.
Read some FAQ's and a few of the many testimonials about the Nada-Chair below.
Nada-Chair FAQ's
Will use of the Nada-Chair slings weaken my back muscles over time?
 Experience shows just the opposite. Doctors throughout the world are using the Nada-Chair to teach their patients to sit straight. Once trained in new habits of good posture, users find it easier to sit properly with or without supports. Primarily, the Nada Chair acts as a guard against slouching and disc damage because it works like an extra muscle to keep the back supported. Unfortunately, a major contributor to back disease and weakness is the common office chair that provides an illusion of support while causing the user to slouch against the backrest.
Will the Nada-Chair support improve the health of my back?
Absolutely! By keeping you from slouching, the Nada-Chair can actually prevent progressive spinal deformation and disc degeneration. Maintenance of the alignment of the vertebrae with the natural curves in the back is critical to long-term health of your back.
Will the Nada-Chair products cut off the circulation to my legs?
 Designed to absorb pressure and maintain circulation. No, blood circulation for the legs passes behind the knee. The pressure of the Nada-Chair straps is placed on the shinbone - a design to absorb pressure without cutting off your circulation. However, it is important to remember that circulation in the legs is generally enhanced by movement. Thus, even though the straps make it comfortable to sit for much longer periods, we recommend you move your legs and stretch them occasionally.
Which Nada-Chair is best for me?
Back-up? S'port-Backer? LumbarJack? Slouch!Buster?
Three considerations can help you make a good decision: 1) your body size; 2) the activity you plan; and 3) the need for accessories/additional cushions and straps. The system of support is identical in all Nada-Chairs, so the primary difference is overall size and the varying extent to which pressure is distributed on the back and knees. (Note: Additional information and photos can be found on the Nada-Chair page.)
 The Back-Up is the choice for those who want additional cushions and stretch straps included, with over twice as much cushion on the knee and back, compared to other S'port Backer. The Back-Up is recommended for anyone with a bigger body build and for long-term sitting tasks such as computer work - no matter what your body build may be. The additional Cush-Shins distribute pressure on the knee and shin over nearly three times the area, enhancing comfort for longer sitting periods. Accessory Stretch Straps engage the feet to allow hamstring stretching or long-sitting on the ground. Cush - Shins and Stretch Staps come included with the Back-up.
The S'port-Backer is the best support solution for those of small or medium body build and those who plan activities that require lots of getting up and down. It is light and at the same time provides padding for the knees that is upgradeable with the purchase of accessory Cush-Shins and Stretch Straps.
Whereas all of the other Nada-Chairs cannot be used while driving, the LumbarJack has been specifically designed to for use while driving. It can also be used as an industrial lumbar belt support by removing the detachable Driving Straps and Sitting Straps - which are included with the LumberJack.
The Slouch!Buster provides great support but without knee cushions - more apprpropriate for medium to lighter body frames - including kids. In general, the Slouch!Buster could be the best choice for the more occasional user or a camper or frequent traveler who needs the smallest possible size to pack. The Slouch!Buster is also a perfect choice for children.
How do I know when I have adjusted the Nada-Chair properly?
Proper adjustment of Nada-Chair. Like a good fitting pair of shoes, the Nada-Chair back sling should fit snugly but not too tightly. Much of the adjustment is self-corrective. If you feel uncomfortable over time, simply loosen the straps slightly. The goal is to keep the low back supported just enough to prevent the sagging that leads to back pain. It is recommended to vary the support by alternatively tightening and loosening the straps when you are sitting for longer periods.
How high should the back pad be on my back?
The back pad should span the lumbar spine with the back cushion approximately centered on the belt line. Experiment until you find the most comfortable position for you.
Can I use the Nada-Chair in an airline, soft chair, or couch?
Yes, the Nada-Chair will effectively improve your posture in any chair. The Nada-Chair back sling provides the additional lumbar support that most seat backs lack. When using the sling to augment an existing back support, it isn't necessary to tighten the straps as much as when you are depending on the sling for full support.
Can I use the Nada-Chair while wearing a dress?
Simply tuck the dress or skirt down enough to allow the straps to engage the knees.
Nada-Chair Testimonials
The following are but a few of the testimonials from health-care professionals and related magazines about the Nada-Chair.
"One of the most comfortable means of sitting that I have experienced."
Arthur White, Orthopedic Surgeon
"Helps maintain correct posture and eliminate back strain-very comfortable and supportive."
Julie Cuisias, Physical Therapist
 "NadaChair helps stabilize the pelvis and relieve muscular stress. It can be used in conjunction with conventional seats such as office chairs, couches, passenger seats in cars, buses, airplanes or trains."
"Nada-Chair has won the endorsement of the World Chiropractic Alliance" Terry A. Rondberg, Chiropractor
 "Alleviate lower back pain and tight neck muscles with Back-Up. The back support secures the lower back and relieves stress on upper area muscles caused by long periods of sitting. The Back-Up is easy to use - ideal when sitting on benches and stools, at ball games or concerts."
"I have two degenerated discs & suffer with pain. I tried your product and I am very impressed!" Tammy Young, R.N.
 "This user-friendly device keeps the pelvis tilted forward to prevent slouching."
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Nada-Chair, Back-Up, LumbarJack, S'portBacker, and Slouch!Buster
are registered trademarks of NADA-CHAIR.
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