Titan looks similar to the workout app that I'm developing: EverBeat! I'm also developing it for myself right now, that's why it is Android only atm. My goal is

Titan looks similar to the workout app that I'm developing: EverBeat! I'm also developing it for myself right now, that's why it is Android only atm. My goal is to employ subtle gamification to get the user/me to the gym more often. I was wondering where you got the data from to know what muscle group is used in each exercise?