HIIT classes are supposed to be fast, right? If you went on Google or Pinterest right now, and searched “HIIT Workout,” you’d find a slew of high-intensity routines clocking in at around 20 or 30 ...
It's never been cooler to cut your workout short. Strapped for time and with smart straps on their wrists, gym-goers are flocking to 30-minute exercise classes. The benefits? More free time, more ...
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