If you want a total body workout that packs a punch in just 20 minutes, this is it! This HIIT workout with weights will help you tackle both fat loss and muscle building goals in one workout. With its high intensity strength training intervals and low rest periods, this workout will keep your heart rate up to provide great cardio benefits. Follow along with the provided exercise videos and instructions and get ready to sweat buckets! All you need is a pair of dumbbells.