Shape up fast with the TRX Cardio Circuit DVD - a super-charged combo of strength and cardio training using the TRX bodyweight training straps. Our unique interval program joins TRX Suspension Training with the anaerobic, fat-burning benefits of a rope-jumping workout led by former Olympian Buddy Lee, who revolutionized jump rope training for athletes. With minimal equipment - a TRX and portable jump rope - you can boost metabolism, improve heart and lungs, and tone up fast-anytime, anywhere without visiting a gym.