An exercise ball is a functional training tool that is made of durable rubber and it is commonly used to work the abs. If you do not have access to a ball and you want to develop a flat stomach, you can still do it by performing some other exercises. But before you get to that point, you need to reduce your caloric intake and clean up your diet to promote weight loss.
Tips and Warnings
- For a harder variation on your hanging knee raises, keep your legs straight when you lift them. If you have a hard time doing mountain climbers, place your hands on a chair, a bed or a table.
Things You'll Need
- Pull-up bar
- Medicine ball
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