Barre doesn't always have to be low-impact. In this 15-minute workout, M/Body founder Marnie Alton amps up the intensity of your typical barre workout with bursts of feel-good cardio. While you'll ...

Get ready for 15 minutes of intensive Abs & Cardio that target your abs while maximizing fat-burning. Warming up before training is crucial; it's recommended to spend 5-10 minutes on dynamic exercises ...

Burn calories and improve fitness with this fun 15-minute cardio workout that can be done at home or in the gym. This quick routine combines effective bodyweight exercises to boost endurance, strength ...

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 just learned that ...