„How do I improve my cardio for BJJ?“ This is one of those questions that are often given a generic answer: „Just spend more time on the mats.“ But there has got to be more to it, doesn’t it? There is! Firas Zahabi, a world-renowned grappling and MMA coach (and a black belt under John … Continue reading Firas Zahabi On How To Drastically Improve Your Cardio For BJJ