2, sit-ups can also lose weight, but you need to do 150 times or more to burn fat, otherwise you can only exercise abdominal muscles, which is too hard and the effect is not ideal. After a long time, it will cause damage to the spine.
3, sit-ups can exercise abdominal muscles, tighten abdominal muscles, and better protect the organs in the abdominal cavity.
4. Sit-ups can also stretch back muscles, ligaments and spine. And the central nervous system can be adjusted by stretching the spine. Thereby improving the body's disease resistance.
5, exercise the groin. There are many capillaries and acupoints in the groin. Doing sit-ups can stimulate blood vessels in the groin, speed up blood flow, and treat and relieve gynecological diseases.