Choosing the Right Type of Cardio for Your Goals. There isn’t one “best” type of cardio, there’s only what’s best for your goal. Before choosing a method, determine whether you’re training for general health, endurance performance, or cardiorespiratory (VO₂ max) improvement. Each goal requires different time commitments and intensity levels. 1. Cardio for General Health If your goal is overall health, longevity, and body composition, the most important factor is total weekly