Turns out, there might be such a thing as too much cardio, but chances are your typical gymgoer isn’t logging nearly enough miles to enter in the danger zone. Research suggests athletes need to log over 10 hours of intense endurance training per week to see potential damage to their hearts (meaning even the marathon runners among us are likely in the clear). And replacing long, slow efforts with shorter, intense periods of interval training can help build strength while reducing the risk of cardio-related injuries.
The Takeaway: Replace some long, slow cardio days with shorter, more intense interval training to reduce the risk of cardio-related injuries.
Interval Training Done Right
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Burn, Baby, Burn
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