Orange afterburn fitness theory put to the test: does it live up to the hype?

Global personal-training franchise claims its ‘oxygen debt’ interval workouts that combine aerobic and weight training can still be effective 36 hours later – but don’t relax and put your feet up just yet
First published in 1903, South China Morning Post is Hong Kong’s premier English language newspaper and has the city’s most affluent and influential readership. With a reputation for authoritative, influential and independent reporting on Hong Kong and China. The newspaper is supported with its online publication and its Sunday edition, Sunday Morning Post.
Are all workouts created equal? A global personal-training franchise doesn’t think so. Orangetheory Fitness, based on “excess post-exercise oxygen consumption” or Epoc, is the latest fitness phenomenon, claiming a 500-plus calorie loss during a one-hour workout, plus an “after burn effect” lasting for up to 36 hours after you walk out of class.

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