This 15-minute kickboxing workout is perfect for beginners! Get a full-body cardio session that burns calories, builds ...

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Join fitness trainer Katie Austin for a 15-minute no-equipment cardio and core workout, alongside class members Nikita Chaudhry and Paulyn Baens. In this routine, you'll power through creative, ...

In the fitness world, finding an effective workout that fits our needs and lifestyle can be a challenge. However, Ellen ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

Looking for some home cardio workout videos you can do indoors from the comfort of your air conditioning? We’ve got you covered. From coast to coast, record high temps are sweeping the country this ...