Discover the most effective 15-minute core workout routine from a certified trainer with 20+ years experience. Get defined abs in just 4-6 weeks with these 5 proven exercises.

This eight-minute abs workout from Pilates instructor Lilly Sabri is a great example of this. Throughout the workout, you do ...

As a fitness editor, I’m no stranger to an ab challenge, but this seven-minute workout really challenged my midsection. I felt my deep abdominal muscles (the transverse abdominis) switch on almost ...

This standing ab workout, however, is perfect for adding a little variety to your core workouts and is just as effective (if not more) as those floor-based exercises. Just grab one dumbbell ...