Everyone has to start somewhere. And when it comes to cardio, working out in the comfort of your own home is a great place to start. We created this 15-minute workout for beginners, complete with low-impact modifications for anyone who doesn't want to jump. You don't need any equipment for this workout, just a can-do attitude. So press play and get ready for your heart rate to rise. On Anna: Via Active tights and Lorna Jane top On Salae: Noli Yoga Related: The Best Beginner Workout — No Equipment Needed