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一种强身健体的新方法——餐前保健,正在成为时尚。实践证明,这种有悖于传统观念与习惯的方法,是符合科学的,它能收到很好的健身效果。 1.餐前散步 散步是老少皆宜的有效锻炼身体的方法,我国有句传统的老话:“饭后百步走,活到九十九。”意即饭后散步有益健康,但据科学分析,饭后散步,并不正确,因为餐后食物集中在胃里,这时需要大量的消化液和血液来消化胃中的食物。此时,如适当休息,全身血液便可适量地进入消化器官,使食物充分消化,如果餐后即行散步,血液需运送到全身其他部位,胃肠的血液供应就相应减少,食物就得不到充分消化。再说,胃里的消化液,是由吃进食物的条件反射而产生的,胃部饱满,胃液才能分泌旺盛,如餐后散步,胃部在活动中快速蠕动,把没有经充分消化
A new method of physical fitness - pre-meal care, is becoming fashionable. Practice has proved that this is contrary to the traditional concepts and habits of the method is consistent with science, it can receive good fitness results. 1. Pre-dinner walk walking is a safe and effective way to exercise all ages, our country has a traditional old saying: “Hundred paces after a meal, live to 99.” Means that after-meal walking is good for health, but according to scientific analysis Taking a walk after a meal is not correct because after-meal foods are concentrated in the stomach, which requires a lot of digestive juice and blood to digest the stomach’s food. At this time, if proper rest, the whole body blood can enter the digestive organs in moderation to make the food fully digested. If walking after meal, the blood needs to be transported to other parts of the body and the gastrointestinal blood supply will be reduced correspondingly, and the food will not be available Fully digested. In addition, the digestive juice in the stomach is produced by the reflex of eating food. When the stomach is full, the gastric juice can be excreted exuberantly. For example, walking after the meal, the stomach is rapidly peristalsis in the activities,