he fitness world has always been split down the middle between those who love to lift and those who love doing cardio. Most people who seek to get in shape choose to either build muscle by lifting weights and training with short, intense workouts, or burn fat by hitting the treadmill and exercising at a moderate intensity for longer workouts. Obviously, for well-rounded fitness, you need a blend of both approaches; but past research had shown that aerobic exercise can lessen muscle and strength gains — a heartbreaking compromise for
