Frequently asked questions | Crunch | Plank | Sits-up
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 and the obliques. It enables for the development of six-pack abs as well as the tightness of the stomach. Crunches, Plank and Sits-up are the low-cost workout that can be […]
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