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Physical Education
Lake Washington High School physical education class, learning about Dr. Izumi Tabata, and the IE1 protocol (you can see the joy of learning in the expressions on their faces).
Dr. Tabata's research suggests that intervals of 20 seconds of max-effort work and 10 seconds of rest tax both the anaerobic and aerobic energy releasing systems almost maximally. That's a lot of bang for a few seconds of suck!