anaerobic
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The 5 Heart Rate Zones, Explained—Plus Aerobic vs. Anaerobic Fitness
Is all cardio exercise created equally? Most of us know that cardio does wonders for your heart and cardiovascular system. But is panting for air and doing sprints a necessity to max out the benefits—or are casual workouts good enough? And what’s the difference between aerobic and anaerobic cardio? The key to understanding the spectrum…