Cardio Myths You Need to Stop Believing

Ask cyclists, runners, cross-country skiers--cardio is king. Though most endurance athletes supplement their workouts with other forms of training, cardio is the bulk of what they do--it's what they love to do.Click Here to see the Complete List of Cardio Myths You Need to Stop BelievingEven among first-timers at the gym or those getting back...



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