If you’re looking to add some kick to your workout and save time while doing it, it’s probably time to try a 15-minute HIIT workout. “HIIT, or high-intensity interval training, essentially means you ...

No time to work out? No problem. This quick, calorie-burning, total-body 15-minute dumbbell workout will help you recomp in minutes. If your goal in the new year is to get in your best shape yet, ...

You don’t need loads of equipment or time to strengthen your core and upper body, just follow this 15-minute workout from a ...

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Fall back into fitness with a 30-day workout that combines HIIT training and strength exercises to maximize efficiency and cut down on time. Stephanie Mansour With kids going back to school and summer ...

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. I can’t do a plank for ...

Running short of time for exercise? Here's a 15-minute workout session to get you started on your fitness journey.

If you only have a short window of time to get a sweat in, don't make the mistake of thinking it's not worth it to lace up your sneakers at all. In fact, if you're looking to build and improve muscle ...

Looking for a fun way to get a great workout and quick results? Celeb trainer Jeanette Jenkins helps you tighten trouble spots the easy way. Jenkins’ high-intensity workout will leave you energized ...