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游泳让你远离医院!你还别不信!

来源: 南方日报网络版     时间: 2019年10月25日 23:34:51
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(改)(善)(呼)(吸)(机)(能)(
在)(游)(泳)(练)(习)(时)(,新)(陈)(代)(谢)(过)(程)(和)(心)(血)(管)(系)(统)(工)(作)(的)(节)(省)(化)(,都)(离)(不)(开)(大)(量)(的)(供)(氧)(,然)(而)(由)(于)(水)(压)(迫)(着)(胸)(腔)(和)(腹)(部)(,给)(吸)(气)(增)(加)(了)(困)(难)(,曾)(有)(人)(做)(过)(专)(门)(的)(试)(验)(,游)(泳)(时)(人)(的)(胸)(廓)(要)(受)(到)(12—15kg水)(的)(压)(力)(,那)(么)(要)(想)(使)(身)(体)(获)(得)(足)(够)(的)(氧)(气)(,呼)(吸)(肌)(就)(必)(须)(不)(断)(的)(克)(服)(这)(种)(压)(力)(;另)(外)(游)(泳)(时)(呼)(气)(一)(般)(都)(是)(在)(水)(下)(完)(成)(,而)(水)(的)(密)(度)(要)(比)(空)(气)(的)(密)(度)(要)(大)(得)(多)(,因)(此)(要)(想)(呼)(气)(就)(必)(须)(用)(力)(,这)(样)(不)(管)(是)(吸)(气)(还)(是)(呼)(气)(都)(能)(增)(加)(呼)(吸)(肌)(的)(收)(缩)(力)(,从)(而)(能)(增)(强)(呼)(吸)(系)(统)(的)(功)(能)(,加)(大)(肺)(活)(量)(。一)(般)(健)(康)(男)(子)(的)(肺)(活)(量)(为)(3000—4000毫)(升)(,而)(经)(常)(从)(事)(游)(泳)(者)(,可)(以)(达)(到)(5000—6000毫)(升)(。
对)(哮)(喘)(有)(好)(处)(
参)(加)(游)(泳)(锻)(炼)(,可)(以)(提)(高)(对)(水)(温)(、气)(温)(的)(适)(应)(能)(力)(,增)(强)(体)(质)(,很)(多)(患)(哮)(喘)(的)(儿)(童)(就)(是)(通)(过)(游)(泳)(锻)(炼)(,增)(强)(了)(体)(质)(和)(对)(冷)(的)(防)(御)(能)(力)(,减)(少)(了)(哮)(喘)(发)(作)(次)(数)(甚)(至)(治)(好)(了)(哮)(喘)(病)(。
平)(稳)(血)(压)(
游)(泳)(时)(,由)(于)(体)(内)(的)(流)(体)(静)(压)(被)(水)(的)(浮)(力)(抵)(消)(,会)(产)(生)(似)(失)(重)(的)(感)(觉)(。水)(的)(压)(力)(会)(把)(体)(表)(静)(脉)(中)(的)(700毫)(升)(的)(血)(液)(压)(回)(胸)(腔)(,因)(此)(中)(心)(静)(脉)(压)(会)(明)(显)(增)(高)(。结)(果)(心)(脏)(中)(血)(液)(增)(多)(,心)(脏)(容)(积)(增)(大)((约)(840毫)(升)(左)(右)(),心)(动)(频)(率)(相)(应)(减)(慢)(。长)(期)(坚)(持)(游)(泳)(锻)(炼)(,尤)(其)(是)(长)(泳)(,能)(有)(效)(地)(增)(加)(心)(容)(积)(,使)(安)(静)(时)(心)(率)(减)(少)(,一)(个)(优)(秀)(运)(动)(员)(的)(晨)(脉)(可)(达)(到)(40次)(/分)(左)(右)(,在)(完)(成)(定)(量)(工)(作)(时)(出)(现)(机)(能)(节)(省)(化)(现)(象)(。游)(泳)(还)(可)(以)(使)(血)(管)(壁)(的)(弹)(性)(增)(加)(,毛)(细)(血)(管)(数)(量)(增)(加)(,明)(显)(地)(提)(高)(循)(环)(系)(统)(机)(能)(,使)(血)(压)(状)(况)(良)(好)(,脉)(压)(差)(明)(显)(加)(大)(。
减)(肥)(
游)(泳)(时)(身)(体)(直)(接)(浸)(泡)(在)(水)(中)(,水)(不)(仅)(阻)(力)(大)(,而)(且)(导)(热)(性)(能)(也)(非)(常)(好)(,散)(热)(速)(度)(快)(,因)(而)(消)(耗)(热)(量)(多)(。就)(好)(比)(一)(个)(刚)(煮)(熟)(的)(鸡)(蛋)(,在)(空)(气)(中)(的)(冷)(却)(速)(度)(,远)(远)(不)(如)(在)(冷)(水)(中)(快)(,实)(验)(证)(明)(:人)(在)(标)(准)(游)(泳)(池)(中)(跑)(步)(20分)(钟)(所)(消)(耗)(的)(热)(量)(,相)(当)(于)(同)(样)(速)(度)(在)(陆)(地)(上)(的)(1小)(时)(,在)(14度)(的)(水)(中)(停)(留)(1分)(钟)(所)(消)(耗)(的)(热)(量)(高)(达)(100千)(卡)(,相)(当)(于)(在)(同)(温)(度)(空)(气)(中)(1小)(时)(所)(散)(发)(的)(热)(量)(。由)(此)(可)(见)(,在)(水)(中)(运)(动)(,会)(使)(许)(多)(想)(减)(肥)(的)(人)(,取)(得)(事)(半)(功)(倍)(的)(效)(果)(,所)(以)(,游)(泳)(是)(保)(持)(身)(材)(最)(有)(效)(的)(运)(动)(之)(一)(。
免)(疫)(力)(提)(高)(
游)(泳)(池)(的)(水)(温)(常)(为)(26度)(到)(28度)(,在)(水)(中)(浸)(泡)(散)(热)(快)(,耗)(能)(大)(。为)(尽)(快)(补)(充)(身)(体)(散)(发)(的)(热)(量)(,以)(供)(冷)(热)(平)(衡)(的)(需)(要)(,神)(经)(系)(统)(便)(快)(速)(做)(出)(反)(应)(,使)(人)(体)(新)(陈)(代)(谢)(加)(快)(,增)(强)(人)(体)(对)(外)(界)(的)(适)(应)(能)(力)(,抵)(御)(寒)(冷)(。经)(常)(参)(加)(冬)(泳)(的)(人)(,由)(于)(体)(温)(调)(节)(功)(能)(改)(善)(,就)(不)(容)(易)(伤)(风)(感)(冒)(,还)(能)(提)(高)(人)(体)(内)(分)(泌)(功)(能)(,使)(脑)(垂)(体)(功)(能)(增)(加)(,从)(而)(提)(高)(对)(疾)(病)(的)(抵)(抗)(力)(和)(免)(疫)(力)(。
美)(容)(
在)(游)(泳)(过)(程)(中)(,由)(于)(水)(温)(的)(刺)(激)(,机)(体)(为)(了)(保)(证)(足)(够)(的)(温)(度)(。皮)(肤)(血)(管)(参)(与)(了)(重)(要)(的)(调)(节)(作)(用)(,冷)(水)(的)(刺)(激)(能)(时)(皮)(肤)(血)(管)(收)(缩)(,以)(防)(热)(量)(扩)(散)(到)(体)(外)(。同)(时)(身)(体)(又)(加)(紧)(产)(生)(热)(量)(,使)(皮)(肤)(血)(管)(扩)(张)(,改)(善)(对)(皮)(肤)(血)(管)(的)(供)(血)(,这)(样)(长)(期)(的)(坚)(持)(锻)(炼)(能)(使)(皮)(肤)(的)(血)(液)(循)(环)(得)(到)(加)(强)(。另)(外)(,水)(是)(十)(分)(柔)(软)(的)(液)(体)(,而)(由)(于)(水)(波)(浪)(的)(作)(用)(,不)(断)(对)(人)(体)(表)(皮)(进)(行)(摩)(擦)(,从)(而)(是)(皮)(肤)(得)(到)(更)(好)(的)(放)(松)(和)(休)(息)(,所)(以)(经)(常)(参)(加)(游)(泳)(锻)(炼)(的)(人)(,都)(有)(一)(身)(光)(滑)(洁)(白)(、柔)(软)(的)(皮)(肤)(。
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