It's the principle of quality over quantity. CAROL Bike workouts do essentially the same thing as longer, more traditional workouts, but they get your body to the outcomes you're looking for more efficiently. What you have to realize is that normally, you're not actually in your target fitness zone over the duration of your workout. If you run for 30 minutes, only a portion of that is truly "productive" from an exercise science standpoint. More specifically, CAROL uses technology and deep learning (AI) to give you just the right levels of resistance at just the right moments based on your particular fitness level, which quickly burns through your glycogen stores (especially in your thighs). This helps yCou burn fat (spurring weight loss) and build muscle.