I got a flat belly WITHOUT doing ab exercises. If you're still doing crunches, then you're wasting your time. Here's what to do instead.
Learn How to Lose Belly Fat with These Diet and Workout Tips
7 Abs Exercises to Tighten Stomach Muscles for a Strong Core
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Belly Fat Exercises: 6 Exercises For Flat Abs That You Can Do At Home
How To Engage Your Core
7 reasons your abs are not changing - Times of India
10 core exercises that are better for your back (and body) than crunches
What exercises can help achieve a flat stomach?
The One Ab Exercise No One Will Tell You Actually Does *Nothing* For A Flat Stomach - SHEfinds