在讨论长距离耐力性运动的运动中补给时,补水通常会和电解质联系在一起,考虑时间的关系,我们上一期讨论了补水的话题,这期来说说电解质。运动或体力劳动中电解质流失所导致的低钠的情况,可以追溯到美洲新大陆的种植园时代,甘蔗种植园的工人持续在高温高湿的甘蔗林中工作,即使大量补充水分,也会出现肌肉痉挛、全身抽搐、昏厥、失去意识,甚至死亡的情况。这种情况在提高饮食的盐含量,或者在水中加入盐之后得到改善,人们逐渐认识到运动与钠之间的关系。相比遥远的美洲种植园,与我们关系较密切的是过去大钢厂生产的加盐汽水,钢厂生产车间的高温工作环境,也导致钢厂工人会出现类似甘蔗种植园工人的情况,而钢厂通常具备气体分离的工艺,生产汽水的二氧化碳并不缺少,因而,很多钢厂会生产属于自己的钢厂汽水,帮助工人们补充劳动中所流失的盐分。04:43 什么是电解质08:06 抽筋与电解质紊乱之间的关系12:41 除了钠,我们还需要补哪些电解质16:32 关于出汗和电解质的一些冷知识 & 无线可穿戴汗液传感器22:00 什么情况下需要补电解质,怎么补?24:50 运动或者比赛里要吃盐丸吗?28:30 越野跑比赛更要重视电解质补充30:33 长距离耐力比赛中电解质紊乱对消化系统的影响33:14 主播个人观点:超马比赛中消化功能下降的一部分原因是血钾低35:25 运动性低钠血症及性别差异43:30 《中国居民膳食指南》中推荐的每日食盐摄入量适合运动人群吗?47:28 一个简单粗暴计算额外需要补充盐分的公式50:28 对不得不吃外卖或者食堂的苦命打工人的建议52:00 通过日常饮食补钾的小tips55:01 关于日常饮食中食盐的摄入量的一些主播个人观点一些参考文献[1] The importance of salt in the athlete’s diet.[2] Exercise intensity effects on total sweat electrolyte losses and regional vs. whole-body sweat [Na+], [Cl-], and[K+]. DOI:10.1007/s00421-018-4048-z.[3] Sweating Rate and Sweat Sodium Concentration in Athletes: A Review of Methodology and Intra/Interindividual Variability. DOI:10.1007/s40279-017-0691-5.[4] Sweat and sodium losses in NCAA football players: a precursor to heat cramps? DOI:10.1123/ijsnem.15.6.641.[5] Optimizing the restoration and maintenance of fluid balance after exercise-induced dehydration. DOI:10.1152/japplphysiol.00745.2016.[6] IOC consensus statement on sports nutrition 2010. DOI:10.1080/02640414.2011.619349.
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