Some popular abdominal workouts are the crunch, Plank and Sits-up. When done correctly, they works all of the abdominal muscles, but especially the rectus abdominis…
View More Frequently asked questions | Crunch | Plank | Sits-upTag: Plank
6 exercises | belly fat burn quickly [Video]
| plank | sits-up | knee high crunches | sits-up twist | superman|
View More 6 exercises | belly fat burn quickly [Video]