Kettlebell swings are a very beginner-friendly cardiovascular exercise and that is what many of my clients will be doing especially in a Small Group Class. We will do various types of work / rest intervals that will keep your breathing and heart rate elevated but manageable. For some private clients we do more advanced athletic movements like sprints, cone and ladder drills for sports performance. For my less fit folks sled pushing and dragging is a low-skill, easy entry way to get some good stamina and cardiovascular health without pushing too hard.