Cold-hot water superseded when washing hands

There is a kind of habit to be called the body-building method "warming a bath pair" , it is call for people to wash first in hot water, after feeling the warm all over sufficiently , prompt in plunging into a cold water pool , plunging into hot water again after 2~3 minutes. Such is almost only capable to do as a result of changing over and over again for, feeling that strain is as withdraw from , be in high spirits , all over happy as possible.

This is to promote an assimilation of the new and excretion of the old because of cold hot water being superseded stimulates the excitability being able to up to adjusting , improving nervous system mainly, helps the effect that supersession good-for-nothing discharges. Especially the different outside temperature, can let a blood vessel experience the change expanding being superseded contracting , drive a series of change of the whole body and, as if being "that the blood vessel is also doing body building exercise ".

But cold hot water is superseded washing hands , principle also is close to here. Body of the old people situation does not allow them to carry out a strong impulse, otherwise probably lead to the heart , blood vessel of brain accident. Therefore transforming the whole body bath into the long range washing hands alone, although effect is relatively relatively poor, keep in doing that , also works.

Naturally , cold hot water is superseded washing hands also having principle. The water temperature should be proper: But be based on habit and body condition then fix. Principle is no but very hot or very cold. The temperature keeps best in 40 Celsius degree or so , cold hot difference should not to exceed 20 Celsius.

Using cold hot water to wash hands alternately is one kind of the method taking a blood vessel exercise very calmly, therefore needing to want to achieve take the whole body blood vessel's exercise purpose , to must persevere , be not allowed to give up halfway.