What are the methods for abdominal muscle training?

I believe that in the hot summer, many female friends will wear belly-revealing clothes. The perfect and charming abdominal curve will add more feminine charm to them, and they will also be favored and pursued by more friends of the opposite sex, which will invisibly greatly increase their self-confidence and sense of superiority. Therefore, it is very necessary for them to exercise the abdominal muscles. So what are the methods to exercise the abdominal muscles? In the following time, please let my friends learn about it with me.

Sit-ups. Lie flat on the ground with your feet on the ground, knees bent, and hands crossed in front of your chest. Ask someone to steady your feet, or place something heavy on them. When you're ready, begin a sit-up, lifting your lower back and shoulder blades up off the ground. Be careful to keep your back straight (don't bend over) during this process. You can then return to your original lying position. Repeat the above process and continue practicing.

Once you are able to do sit-ups easily (for example, you can easily complete multiple sets), you can increase the difficulty a little bit. You can do sit-ups in an inclined chair or with weights. For example, you can hold weights in front of your chest and do sit-ups. As you improve, you can increase the weight you lift.

Crunches. Lie flat on the ground (you can use or not use a cushion according to your own habits), place your hands on your chest or lightly place them on your temples (be careful not to put your hands behind your head to avoid hurting your cervical spine), and bend your knees. When you're ready, begin using your abdominal muscles to pull your shoulders toward your knees.

The above paragraphs have given us a good introduction to the methods of exercising abdominal muscles. I believe that as long as friends have read the above content carefully, they will have a deeper understanding and more proficient mastery of these methods. Of course, I would like to remind everyone that it will take more than one or two days to see obvious results from abdominal muscle training. This requires everyone to be more patient and persistent in their cooperation.