Inversion therapy tables are a tool used to decompress your spine. They use the effects of gravity to create a stretching traction which is claimed to increase blood flow and allow vertebrae realign. You can read our review on the concept here. In this post we take a look at three of the most popular inversion tables and discuss the main points of difference. No. 1 Ironman Gravity 4000 Inversion Table With over 1000 reviews on Amazon, the Ironman Gravity 4000 is a very popular inversion table. It takes the number 1 spot by combining a reasonable price with a solidly built