Cardio is defined as any type of exercise that gets your heart rate up and keeps it up for a prolonged period of time. Your respiratory system will start working harder as you begin to breathe faster and more deeply. Cardio is one of the most common things people train in the gym. That said, there are many dumb formsContinue reading “5 Dumbest Forms Of Cardio (DON’T LOOK STUPID!)”
