Because the decomposition of fat is not by shaking, it needs to consume calories. Temporary local fat reduction, because fat can migrate to other parts when shaking, but the fat in the horizontal body has not decreased. Sometimes losing weight is because sweat is excluded, so it feels like losing weight.
In addition, the biggest harm of this kind of shaking is that it may cause blood washing and peritoneal displacement damage to your own internal organs. It is not recommended to lose weight in this way.
The so-called weight loss is to eliminate excess fat in the body. After you have done enough exercise, proper shaking can relax your muscles. Professional athletes will be massaged by professional masseurs after long-distance running. Doing a shake in our spare time is good for us, so we can't lose more fat.