1. If the overall abdominal muscles are not strong enough, it will be obvious that there is something to support in the abdominal cavity. Then keep exercising.
2. Ignore transverse abdominal muscle exercise. Most people know how to practice rectus abdominis and oblique abdominis, but few people pay attention to practicing transverse abdominis. Many people don't know what transverse abdominal muscle is and where it is. Without the strong support of transverse abdominal muscles, rectus abdominis will not be obvious.
Transverse abdominis muscle explanation
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Exercise method of transverse abdominal muscle (elbow support)
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There is also a way to exercise the transverse abdominal muscles (also called vacuum suction).
It means that the body is naturally straight (technically called pelvic neutrality), that is, the spine is naturally bent (just stand against the wall)
Pull the abdomen inward, feel the abdominal muscles close to the spine (deep exhalation), relax and recover, then repeat it for about 20 times, and do three groups of movements correctly. You will feel very tired in your abdomen.