Interval training works, bottom line. It combines short, high intensity bursts of speed, with recovery phases, repeated during one exercise bout. Interval training works the aerobic and anaerobic systems…more bang for your buck. During the high intensity efforts, the anaerobic system uses the energy stored in the muscles (glycogen) for short bursts of activity. Anaerobic metabolism works without oxygen, but the by-product is lactic acid…one of our love to hate enemies! As lactic acid builds, the train to hunt athlete enters oxygen debt, and it is during the recovery phase that the heart and lungs work together to “pay back” this oxygen loan and break down the lactic acid. It is in this phase that the aerobic system is using oxygen to convert stored carbohydrates into energy. Latest theories believe the body adapts and burns lactic acid more efficiently during exercise which means you can hike longer, faster, and not feel as much fatigue; winning!
Another sweet benefit to interval training is that it allows you to avoid overuse injury commonly associated with distance runners and other endurance athletes. And my favorite tid-bit…according to the American College of Sports Medicine, more calories are burned in short, high intensity exercise. Intervals are better than long, slow endurance exercise, bam!
1 Rounds of Tabata Intervals for the following exercises:
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