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The Backbridge Fitness Book is structured around Dr
Inversions
dimensions: 20 x 9
even during pregnancy
a revolutionary stretching tool
Paperback book --- Sit-Ups Are Stupid And Crunches Are Crap! Yoga The Backbridge Fitness Book isIts time to change the way you think about, and exercise, your abs. Dr. Todd Sinett, a second generation chiropractor and certified fitness trainer, explains why you should never do a sit up or any version of a crunch ever again! Sinetts innovative new bookwhich includes a detailed exercise routine (illustrated with photos) and a meal guideteaches healthier and smarter ways to get great abs without compromising your back and neck anymore. Sit Ups Are
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