Can sit-ups flatten your stomach?

By Mayo Clinic staff


Abdominal exercises, such as sit-ups and crunches, can help strengthen abdominal muscles and improve posture. But you can't spot reduce areas of excess body fat with certain exercises. So if you have excess fat in your abdomen, don't count on crunches for six-pack abs. To lose weight and body fat, you need to consume fewer calories than you burn by adjusting your diet and exercise habits.



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