The 25-7-2 Stairmaster workout is the next 12-3-30 workout. You heard it here first. In the same way that the 12-3-30 trend uses just one machine, so does the 25-7-2 workout: the Stairmaster, and ...
HIIT can help improve speed and power, but longer, steadier workouts that you can do regularly, like swimming and rowing, are ...
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Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Zone 2 training is ...
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