There's also a shallow aspect in quantitative only messages. Your body is complex and soft, move more but move smart, move soft, breath deep, pay attention. Move in groups, focus on energy efficiency. Your cardio vascular system is a bit of a plumbing.. so lay flat at times to move the blood more easily. Yoga people also aim at matching breathing oxygen intake, lung sucking blood to improve the overall blood flow efficiency. This kind of approaches should be more efficient than just zumba hard at the gym club.