Exercising and stretching apparatus

Exercise devices – User manipulated force resisting apparatus – component... – Utilizing fluid resistance

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Details

482132, 482142, 482130, 482907, A63B 21008

Patent

active

055734855

ABSTRACT:
The disclosed exercise apparatus manipulates the back in a manner intended to strengthen back muscles and maintain spine flexibility. Adjacent arrays of rollers are mounted on a frame in a manner that allows the arrays of rollers to be secured in a first position relative to one another, wherein adjacent pairs of rollers are coaxially aligned, and in a second position relative to one another, wherein adjacent pairs of rollers are out of alignment.

REFERENCES:
patent: 2123765 (1938-07-01), Brobery
patent: 3835844 (1974-09-01), Lang
patent: 4066259 (1978-01-01), Brentham
patent: 4302005 (1981-11-01), Silberman
patent: 4768779 (1988-09-01), Oehman, Jr. et al.
patent: 5147259 (1992-09-01), Hutchins
patent: 5324247 (1994-06-01), Lepley
patent: 5393286 (1995-02-01), Cheng

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