Denise Austin: Ultimate Fat Burn Workout is designed to boost metabolism and blast away calories through a series of explosive cardio interval exercises that . Boot Camp Cardio & Strength Workout With Denise Austin will speed up your metabolism and tone your body through cardio and strength exercises that are . Denise Austin: Cardio Calorie Burn Dance Workout- Low Impact is a metabolism-boosting, 30-minute dance-inspired aerobic workout that is designed to use . Denise Austin: Cardio Fat-Burn Workout is designed to raise the heart rate and boost the metabolism for an ultra-effective calorie-burning experience.