Train with Four of the Most Dynamic and Engaging Superstars in Fitness with JBYB, Just Bring Your Body, Now Available on Openfit

SANTA MONICA, Calif.--(Business Wire)--Julian the gymnast, Ryan the stuntman, Scott the elite boot camp trainer and Carmel the bodyweight master trainer - they’re all here and ready to give your most efficient workout ever. And all you need to do is JBYB ...