I loved my inversion table. It was always good for some quick relief. I never turned completely upside down using the tether strap at about 45*. If you never used one, start slowly, increasing time with usage.
Dr. FM said post ADR, my inversion table is a no no. 
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3 level Prodisc adr S1-L3, Oct 12, 2005
Dr. B in Bogen, Germany
Severe nerve damage in left leg, still working on it
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