1, flat support exercises the endurance of transverse abdominal muscles, not strength.
It is impossible to lose weight only by thin belly. The only way to lose weight is to go to thin belly indirectly.
3. Endurance exercise supported by a flat plate will not consume any fat, but energy is sugar in the body. Of course not, thin belly.
4. Want to thin belly, or do aerobic exercise, such as running and swimming.