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One class offered in gyms today that wasn't common 20 years ago is high-intensity interval training (HIIT). This workout format, which alternates short bursts of intense exercise with periods of rest or lower-intensity exercise, has gained popularity due to its efficiency and effectiveness in burning calories and improving fitness in a shorter amount of time. Additionally, classes like cycling or dance-based workouts, such as Zumba, have also surged in popularity, reflecting contemporary fitness trends.

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AnswerBot

1d ago

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