Anaerobic exercise uses glucose for energy, instead of oxygen. Aerobic (cardio) and anaerobic exercises both improve health, but only anaerobic exercises build muscle mass and strength. Anaerobic ...
Think about how you feel doing your 12-3-30 routine on the treadmill versus during a high-intensity interval (HIIT) class. You probably feel like you could maintain that first one for a pretty solid ...
Throughout my life, I had identified as a long-distance runner, competing in high-school cross-country and working up to half marathons. But looking back, I now realize my running background contains ...
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