I finished the previous post asking a question: Is anyone thinking, what about cardio? It’s a normal question for people to ask, but not one that anyone would ask after their first couple workouts, haha. Did anyone learn about the energy systems that support training during your time in high school biology or physiology? Aerobic vs anaerobic systems ATP, Phosphagen, anaerobic glycolysis (lactic acid system) I won’t claim this analogy as my own, but aerobic work is using oxyge