Dean Koh open Sparta, then close it down (fought with his business partners and trainers and he cheated them) and open new gym call Vikings using Sparta equipment.

At vikings, he fought and cheated the business partner and trainers. he change vikings name to art of fitness. he and his girlfriend, mel i think her name cheating their partners and trainers.

may be rumours, but i know the trainers and all trainers and former member of sparta and viking say same thing.

oh well, be careful is all i can say. imagine u sign up and gym close down and money burn