Cardio as it’s popularly referred to by Joe Rogan and Mike Goldberg every UFC is what will keep you from looking like the Ultimate Fighter Heavyweights.
Man it’s so frustrating seeing dudes on TV who can’t hold their hands up… in the first round!!!
Anyway, the term cardio doesn’t include just one aspect of fitness, like the name implies, and if you don’t understand how cardio is developed, you’ll never be in great shape.
Luckily, I’m going to tell you what you need to do.
So here’s how developing your cardio is more than just running, or intervals, or 5 minute circuits, or CrossFit: