According to a video from ABC News, they say its cardio, its strength, its abs, and you get to fly! 크런치 피트니스는 미국에서 번지 운동 프로그램을 제공하는 최초의 체육관입니다. Lets Fly High with Bungee Workouts Bungee workouts are a great way to get in a total body workout, as well as cardio.