| http://www.w3.org/ns/prov#value | - Therefore, a new and novel way to exercise is realized over the prior art with the present invention. [0019] The present invention is used to provide the before mentioned forces to the following body weight resistive exercises: 1) prone back extensions 2) push ups 3) sit ups and 4) lower abdominal flexion. [0020] Methods and devices for exercising the back and more particularly the lower back and
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