2. If you want to reduce your stomach, sit-ups are the most effective way to reduce your stomach. It is a kind of aerobic exercise, relaxing and stress-free. It can not only consume abdominal fat, reduce excess fat, tighten abdominal skin, but also ensure normal ovarian ovulation and intrauterine health care.
3. In addition, sit-ups can not only effectively exercise rectus abdominis, but also exercise external oblique abdominis and back erector spinae, which can quickly and effectively reduce waist circumference and body heat.