“21 Day Total Body Transformation” S:1 E:17 35 Min High Intensity Interval Training with Weights

S:1 E:17 35 Min High Intensity Interval Training with Weights This is an intense cardio sculpting workout for all fitness levels. The routine consists of strength circuits and cardio exercises. Each circuit focuses on all muscle groups – the workout is designed to blast calories (301-352) and improve your aerobic fitness. A set of 3-10 lb. weights is recommended. For best results, use a pair of weights that make the last 2 reps challenging.