推荐回答(3个)
夏天渐渐离去,但是厦门的空气依然弥漫着“湿、热”的感觉,时常还是会有汗流浃背的感受。大家知道热与流汗对身体影响的关系吗?然而,中医早已研究“汗”很久了。一个好的医生可以从汗看出一些疾病踪影。中医讲求维持身体各种平衡,认为不出汗会致病,大量出汗也不行,还有看出汗的部位来看判断身体五脏六腑哪里出了问题。而什么样子叫做大量流汗呢?中医的定义是“汗出如豆”,可以看得到身上的汗滴很大,会滴落地面,这就是大量流汗。
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很多初学瑜伽的人,常会在前几堂课大量流汗,这是因为身体还不是很强壮,不适应瑜伽体位法操练的缘故。练一阵子之后,就会发现自己每堂课只会流一点汗,不会滴落地面,甚至就不流汗了,这才是正常的状况,并不是要大量流汗才好。这个是自然的反应,并不需要改变练习的质量来控制流汗量。
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良好的瑜伽习练过程,最好是前半个小时让身体流汗,后面要放慢脚步,在结束大休息前流汗自然干掉,以免在休息时不要睡着,睡着十区意识则体温会快速下降,要保持清醒才能练出放松力而且保护身体不受凉害。
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汗可以排出身体内的废物,美国山达基组织甚至针对排汗开了一个排毒营,专门以各种方式刺激排汗,或许热瑜伽的构想也是受到其影响吧?
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但并不是每个人都适合大量流汗,大量流汗会伤身体,中医把人分为实症与虚症两种,实症人身体壮实,喜冷怕热,身体油脂多,胃口也好,这种人比较适合短期的大量排汗,可以借此流汗排毒。虚症人怕冷,胃口小气力夜宵,这种人不适合大量排汗,不然会让身体更虚。
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流汗有分好的汗和坏的汗,坏的汗也就是所谓的流错汗,像是汗很大颗、汗有味道或是局部多汗等,都是“流错汗”,好的汗基本上是清爽、无色无味,较小颗的,因为汗血浆浓度较低,汗水容易蒸发,因此较不会感觉到黏你不舒服,要怎么知道你是流对汗还是流错汗呢?如果你容易感到疲劳、睡不好、手脚冰冷、有口臭或是情绪易不稳定,你很有可能就是流错汗了,坏汗容易流失身体所需的矿物质,而有慢性疲劳或是中暑的现象出现。
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要注意的是,只要稍微动一下就大汗淋漓,这种是体虚的表现。因此,刚开始练瑜伽的强度不宜过大,应先从拉筋调养的体式开始练习起。练瑜伽的人都该专注于自己对瑜伽的习练中,专注看可以调动我们身体所有的感觉,集中意念和气息,全身心的投入到习练中,配合伸长缓慢的呼吸不断调整身体,到达自己身体的最大幅度,体会每一次呼吸过程的收紧和放松,这样可以唤醒身体,调节内脏,促进血液回圈,收紧肌肉,在持续的安静的警觉体验中,人体会由内到外慢慢发热,热量慢慢传遍全身,气血运行顺畅,浑身舒畅放松。
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所以,人体出不出汗,出多少汗,不能用来衡量练习是否有效。首先,我们从人体自身的功能角度来讲,人的特性不同,汗腺也因此各不相同,人体不同大体上分活跃型和保守型两种,有人属于前者,而有人属于后者,后者与遗传有关。出汗的多少与否,也直接影响到人体健康。一般来说,夏季炎热,出汗多一点是正常的,但如果出汗过多,对健康就不利了。
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习练完瑜伽,体内水分会从体表蒸发掉,要补充水分,可以加入几颗盐补充流失掉的矿物质,但是要至少半个小时以后才可以喝水,以确保体内能量平衡。另外,流完汗记得清洁皮肤(一个小时后),洗净皮肤表面上那些排出来的脏东西。
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