The name says it all. Through a combination of kettlebell, heavy ropes, tractor tire, and suspension training, Psycho Gym specializes in real-world strength building. No weight machines. No treadmills. Workouts are designed to burn an average of 20 calories per minute. Every Psycho Gym client receives a detailed nutrition plan designed to achieve his or her fitness goals. So, does pounding tractor tires with a sledgehammer sound a bit barbaric? Well, that’s the point.