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自由泳划臂动作的关键要素

来源: 南方日报网络版     时间: 2019年09月19日 21:08:23
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(手)(形)(
对)(于)(未)(受)(过)(训)(练)(的)(游)(泳)(者)(来)(说)(,一)(个)(常)(见)(的)(问)(题)(是)(他)(们)(在)(游)(泳)(过)(程)(中)(应)(保)(持)(怎)(样)(的)(手)(形)(。很)(多)(人)(被)(教)(导)(说)(手)(要)(紧)(紧)(地)(内)(扣)(,就)(像)(你)(在)(掌)(心)(掬)(了)(一)(捧)(米)(一)(样)(。事)(实)(上)(,你)(需)(要)(放)(松)(双)(手)(,使)(手)(指)(微)(微)(分)(开)(。这)(样)(,急)(流)(就)(会)(穿)(过)(指)(间)(,会)(提)(高)(你)(对)(水)(的)(控)(制)(水)(平)(。
正)(确)(手)(形)(,放)(松)(的)(手)(部)(。
手)(内)(扣)(太)(紧)(。
手)(指)(太)(过)(分)(散)(。
自)(我)(检)(测)(
为)(了)(找)(到)(控)(制)(水)(的)(最)(佳)(手)(形)(,分)(别)(将)(手)(指)(拢)(紧)(、放)(松)(并)(留)(有)(空)(隙)(、故)(意)(将)(手)(指)(分)(得)(很)(开)(进)(行)(尝)(试)(。很)(快)(你)(就)(会)(明)(了)(只)(有)(放)(松)(的)(且)(留)(有)(空)(隙)(的)(手)(形)(才)(会)(产)(生)(最)(大)(的)(推)(进)(力)(。
培)(养)(水)(感)(
有)(些)(游)(泳)(者)(天)(生)(具)(有)(良)(好)(的)(水)(感)(:对)(他)(们)(来)(说)(可)(以)(轻)(而)(易)(举)(地)(感)(受)(并)(利)(用)(水)(对)(手)(掌)(的)(压)(力)(。然)(而)(我)(们)(中)(的)(大)(多)(数)(人)(并)(没)(有)(这)(么)(幸)(运)(,好)(在)(“感)(觉)(”是)(一)(种)(可)(以)(培)(养)(的)(东)(西)(。
1.和)(平)(时)(一)(样)(自)(由)(泳)(,但)(是)(要)(将)(手)(握)(成)(拳)(。可)(以)(进)(行)(如)(下)(变)(化)(:一)(只)(手)(握)(拳)(、两)(只)(手)(都)(握)(拳)(,三)(次)(划)(水)(握)(拳)(、两)(次)(打)(开)(,等)(等)(。
2.要)(留)(意)(握)(紧)(的)(拳)(头)(推)(水)((效)(率)(极)(低)()和)(松)(开)(的)(手)(推)(水)(的)(不)(同)(感)(觉)(。
3.还)(要)(留)(意)(当)(你)(握)(拳)(的)(时)(候)(前)(臂)(对)(水)(的)(感)(觉)(。你)(会)(发)(现)(你)(可)(以)(感)(觉)(到)(水)(对)(它)(的)(压)(力)(。这)(就)(表)(明)(不)(仅)(是)(你)(的)(手)(能)(提)(供)(推)(进)(力)(,你)(的)(前)(臂)(也)(可)(以)(。
顶)(级)(贴)(士)(
手)(指)(向)(下)(
当)(你)(的)(手)(指)(直)(指)(向)(下)(,手)(与)(池)(底)(呈)(90°垂)(直)(时)(,你)(的)(划)(水)(才)(是)(最)(具)(力)(量)(的)(。你)(应)(使)(手)(尽)(快)(进)(入)(这)(个)(位)(置)(,并)(尽)(可)(能)(长)(时)(间)(地)(保)(持)(在)(这)(个)(位)(置)(。
这)(个)(游)(泳)(者)(甚)(至)(在)(她)(的)(手)(还)(没)(有)(入)(水)(前)(就)(已)(经)(开)(始)(调)(整)(手)(的)(角)(度)(了)(。
5
出)(水)(和)(移)(臂)(
出)(水)(和)(移)(臂)(应)(做)(得)(尽)(可)(能)(地)(连)(贯)(流)(畅)(。这)(是)(由)(肘)(部)(带)(动)(的)(,而)(非)(由)(手)(来)(带)(动)(:肘)(部)(出)(离)(水)(面)(,带)(动)(前)(臂)(向)(前)(摆)(动)(,就)(像)(一)(根)(坏)(掉)(的)(雨)(刷)(。保)(持)(臂)(放)(松)(,使)(手)(贴)(着)(水)(面)(划)(过)(。
在)(移)(臂)(阶)(段)(人)(们)(常)(犯)(的)(三)(个)(主)(要)(错)(误)(如)(下)(。
·由)(手)(带)(动)(移)(臂)(,而)(不)(是)(由)(肘)(。
·向)(前)(移)(臂)(用)(力)(过)(猛)(,也)(往)(往)(导)(致)(入)(水)(臂)(过)(于)(偏)(
向)(身)(体)(外)(侧)(。
·手)(臂)(在)(空)(中)(举)(得)(过)(高)(。
由)(肘)(部)(带)(动)(、臂)(放)(松)(的)(移)(臂)(动)(作)(。
你)(的)(目)(标)(是)(什)(么)(
这)(些)(训)(练)(将)(会)(帮)(助)(你)(形)(成)(流)(畅)(的)(、肘)(部)(带)(动)(的)(移)(臂)(。如)(果)(你)(觉)(得)(延)(伸)(训)(练)(环)(节)(有)(些)(复)(杂)(,做)(起)(来)(有)(困)(难)(,那)(么)(就)(先)(把)(它)(放)(置)(一)(边)(,等)(你)(划)(水)(技)(术)(提)(高)(之)(后)(再)(来)(练)(习)(。
1.正)(常)(游)(泳)(,使)(用)(你)(在)(学)(完)(本)(章)(前)(面)(部)(分)(之)(后)(习)(得)(的)(高)(肘)(划)(水)(技)(术)(。一)(旦)(你)(开)(始)(游)(入)(节)(奏)(,就)(不)(要)(在)(移)(臂)(过)(程)(中)(把)(手)(完)(全)(脱)(离)(水)(面)(。取)(而)(代)(之)(的)(,是)(将)(指)(尖)(在)(水)(面)(拖)(行)(。
2.如)(常)(呼)(吸)(,同)(时)(在)(每)(个)(划)(水)(动)(作)(中)(保)(持)(良)(好)(的)(身)(体)(转)(动)(。高)(肘)(,这)(样)(你)(的)(指)(尖)(在)(水)(上)(的)(拖)(行)(痕)(迹)(就)(恰)(好)(沿)(着)(你)(身)(体)(的)(外)(缘)(。
3.你)(可)(以)(通)(过)(完)(全)(放)(松)(手)(腕)(并)(将)(整)(个)(手)(背)(拖)(行)(在)(水)(面)(来)(对)(这)(个)(训)(练)(做)(个)(延)(伸)(。
4.延)(伸)(训)(练)(中)(你)(可)(以)(进)(行)(不)(同)(的)(尝)(试)(。当)(你)(移)(臂)(之)(时)(,假)(装)(你)(正)(松)(开)(一)(根)(系)(在)(你)(髋)(部)(和)(腋)(窝)(之)(间)(的)(拉)(链)(。你)(的)(拇)(指)(一)(定)(不)(要)(离)(开)(你)(的)(身)(侧)(。
高)(肘)(练)(习)(
你)(需)(要)(什)(么)(
·可)(能)(需)(要)(游)(泳)(脚)(蹼)(。
1.蹬)(壁)(出)(发)(,使)(身)(体)(呈)(现)(流)(线)(型)(。不)(要)(用)(双)(臂)(交)(替)(划)(水)(,只)(用)(一)(只)(臂)(。确)(保)(专)(注)(于)(高)(肘)(抱)(水)(的)(练)(习)(,手)(不)(要)(向)(身)(下)(划)(水)(。
2.像)(平)(时)(一)(样)(,划)(水)(时)(身)(体)(要)(随)(之)(发)(生)(侧)(转)(,但)(是)(要)(确)(保)(在)(划)(水)(之)(后)(回)(归)(到)(俯)(卧)(的)(流)(线)(型)(身)(姿)(。
3.先)(用)(一)(只)(臂)(划)(水)(游)(上)(一)(程)(,然)(后)(换)(另)(一)(只)(,这)(样)(游)(上)(几)(程)(之)(后)(变)(成)(双)(臂)(交)(替)(划)(水)(。此)(时)(最)(好)(穿)(上)(脚)(蹼)(,便)(于)(每)(次)(划)(水)(后)(回)(归)(到)(流)(线)(型)(身)(姿)(,打)(腿)(三)(或)(五)(次)(,然)(后)(换)(臂)(划)(水)(。不)(要)(忘)(记)(保)(持)(头)(部)(角)(度)(,视)(线)(看)(向)(泳)(池)(底)(部)(。
成)(功)(的)(关)(键)(
·双)(手)(放)(在)(肩)(部)(延)(长)(线)(上)(。
·在)(划)(水)(动)(作)(的)(抱)(水)(阶)(段)(,始)(终)(保)(持)(高)(肘)(。
·划)(水)(时)(手)(要)(加)(速)(。
·由)(肘)(提)(拉)(带)(动)(移)(臂)(,而)(非)(由)(手)(。返)(回)(搜)(狐)(,查)(看)(更)(多)(
责)(任)(编)(辑)(:
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