You do it on an inversion table that looks more like a lounge chair. You lie on it, and then tip it so you lean back at an angle or are upside down. You hang this way for a few minutes.

It's matchday five this evening and it’s as if someone has turned the table upside down. It’s hard to believe coming up to the fifth round of games that Shamrock Rovers sit at the bottom of ...

Martyn and Sam suggest that turning the periodic table upside-down will be making the filling of the electron shells easier to understand. Surprisingly, no one appears to have tried doing this before, ...