A new team of fitness freaks have combined clubbing and exercising together, where you can burn calories while going rave.
In the classes by Fitness-Freak.com fluorescent tubes and sweaty faces glow in the dark as the music pumps out of the speakers, the Daily Star reported.
Founder Sandra Tochia said that fitness should be fun so they have made Fitness Freak RAVE, where one doesn't even realises of working out.
It is an intense choreographed aerobic session to a live DJ spinning "old skool" 1990s dance classics.