At this time, the belt became an obstacle

Answer 1

In the field of fitness, belts could be an obstacle for ordinary fitness enthusiasts, especially beginners. Many experts pointed out that the belt would hinder the development of the abdominal muscles and other core muscles, and the number of fans who used the belt had plummeted. Ordinary hobbyists who used belts were meaningless and often had negative effects because belts made it easier for the core to relax and cheat, resulting in imbalance of body function. It could also cover up the weak core muscles. Over-reliance on belts would weaken the strength of the core muscles.

In terms of health, too tight a belt would cause many adverse effects on the body. For example, obstructing blood circulation, increasing the load before and after the heart contraction, affecting the blood supply of important organs such as the brain, heart, lungs, liver, kidneys, etc.; It also affects abdominal breathing, causing insufficient oxygen supply to the organs and tissues of the whole body; It may also cause damage, abnormality, and degeneration of the lumbar spine and psoas muscles, restrict the movement of the digestive tract, damage the kidney function, cause tension urine insolence and urethral infection, and leave behind hidden dangers such as infertility and uterus prolapsed.

In table tennis, if one relied too much on the belt or used the belt incorrectly when practicing the action of waist and hands, it would affect the coordination of waist and hands, and it would also become an obstacle to master the correct action. For example, there was a mistake in the order of the hand and the waist, or the dominant position of the waist could not be highlighted.
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