Instructions: Do 3 sets of 30 to 45 seconds of each exercise, resting for 30 to 15 seconds in between. Lie on your back with ...

A trainer outlines his best 15-minute ab workout, every minute on the minute style, for a flat, lean midsection.

Boost your metabolism and strengthen your body with this three-move bodyweight workout designed by a personal trainer. It's beginner-friendly and only takes 15 minutes.

This three-move kettlebell abs workout builds core stability and full-body strength without the need for crunches, sit-ups, or twists.

Bookmark this list of 15-minute workouts for the next time you need a fast, but effective exercise routine to bust out when you’re short on time.

If you’ve ever wondered if 15-minute workouts are worth your time, the answer is yes—and these trainers have the proof to back it up.

This class from Rachel McClusky includes bodyweight exercises you can do on a yoga mat. You'll end the session with muscles activated and a positive mind.

Instructions: Do 10-12 reps of each exercise, resting for 20 seconds between each move. Repeat the whole circuit for three ...

It’s the 15-15-15 workout, and it will give you a good 45-minute cardio session even if you cannot stand doing anything for 45 minutes straight.

Influencers call sprinting the ultimate fat-burning workout. Experts say it’s more nuanced—but research shows this high-intensity exercise offers surprising benefits for the heart, muscles, and even ...

Key Points A new study found that 15 minutes of fast walking each day may lower mortality risk by 19%. Fast walking lowered overall mortality risk and had an especially large impact on heart ...

When it comes to heart health, movement is medicine. But there’s always this debate: Should the focus be on something quick and intense like spot jogging for 15 minutes, or something steady and longer ...