傲雪寒梅 发表于 2007-7-2 04:11

游泳时三个如何减小阻力的窍门

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-line-height-alt: 0pt" align=left><FONT color=#010121><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: " ,Verdana,Arial?; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-ascii-font-family: ? ,Verdana,Arial??>三个如何减小阻力的窍门:</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-fareast-font-family: 楷体_GB2312"> </SPAN></B></FONT><SPAN lang=EN-US style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-fareast-font-family: 楷体_GB2312"><BR><FONT color=#010121>&nbsp;<SPAN style="mso-spacerun: yes">&nbsp; </SPAN>&nbsp; 1</FONT></SPAN><FONT color=#010121><SPAN style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: " ,Verdana,Arial?; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-ascii-font-family: ? ,Verdana,Arial??>、使你的身体变长。根据船的结构(</SPAN><SPAN lang=EN-US style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-fareast-font-family: 楷体_GB2312">1871</SPAN><SPAN style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: " ,Verdana,Arial?; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-ascii-font-family: ? ,Verdana,Arial??>年由</SPAN><SPAN lang=EN-US style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-fareast-font-family: 楷体_GB2312">R.E.Froude</SPAN><SPAN style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: " ,Verdana,Arial?; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-ascii-font-family: ? ,Verdana,Arial??>,英国船舶设计者):长的小船比短的行进得更快。从那时起,“</SPAN><SPAN lang=EN-US style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-fareast-font-family: 楷体_GB2312">Froude </SPAN><SPAN style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: " ,Verdana,Arial?; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-ascii-font-family: ? ,Verdana,Arial??>数值”被用来估测帆船的速度潜力。这对你的身体来说也一样。在划水的各个阶段,你的身体越修长,在划水微小的间隙期间你的速度就会保持得越好。一些简单的应用:</SPAN><SPAN lang=EN-US style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: ,Verdana,Arial; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-fareast-font-family: 楷体_GB2312"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 30pt; TEXT-ALIGN: left; mso-char-indent-count: 2.0; mso-pagination: widow-orphan; mso-line-height-alt: 0pt" align=left><FONT color=#010121><SPAN style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: " ,Verdana,Arial?; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-ascii-font-family: ? ,Verdana,Arial??>自由泳时,手入水之后在向后划水之前再向前伸得更远一些。这样在另一只手划水过程中以及甩向前面时你的身体会变得更加修长。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-fareast-font-family: 楷体_GB2312"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 30pt; TEXT-ALIGN: left; mso-char-indent-count: 2.0; mso-pagination: widow-orphan; mso-line-height-alt: 0pt" align=left><SPAN style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: " ,Verdana,Arial?; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-ascii-font-family: ? ,Verdana,Arial??><FONT color=#010121>蛙泳时,双手划水后,向前伸展并且手臂保持流水线型,直到你完成踢水动作。修长的身体等价于能游出快速度的身体。</FONT></SPAN><FONT color=#010121><SPAN lang=EN-US style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-fareast-font-family: 楷体_GB2312"> <BR>&nbsp;&nbsp;<SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN>2</SPAN><SPAN style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: " ,Verdana,Arial?; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-ascii-font-family: ? ,Verdana,Arial??>、</SPAN><SPAN style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-fareast-font-family: 楷体_GB2312"> </SPAN><SPAN style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: " ,Verdana,Arial?; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-ascii-font-family: ? ,Verdana,Arial??>改善你的“船壳”设计。虽然你无法选择你天生的体形,但是在某种程度上你可以确定自己的身体结构,或者你的“船壳”(如果把你自己比作一艘在水中行进的小船的话)。改善你的体态和整齐程度(圆滑度)。在练习你的力量和推进技巧来游得更快之前,先试一试更简单方法:</SPAN><SPAN lang=EN-US style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: ,Verdana,Arial; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体; mso-fareast-font-family: 楷体_GB2312"><o:p></o:p></SPAN></FONT></P><FONT color=#010121><SPAN style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: " ,Verdana,Arial?; mso-bidi-font-family: 宋体; mso-ascii-font-family: ? mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA?>确认你已经尽一切可能来减小粘滞力或阻力。把你身体上所有的边变得圆滑;想象你在很细的管子里游泳,或者说,在一个很大的下水管道里游。把你的划水动作和恢复在横截面上变得更紧凑(但划水长度不是更短)来适应这个很小的空间。<SPAN style="mso-bidi-font-weight: bold">消除头部的摆动和臀部</SPAN></SPAN><SPAN lang=EN-US style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-weight: bold; mso-bidi-font-family: 宋体; mso-fareast-font-family: 楷体_GB2312; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">/</SPAN><SPAN style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-weight: bold; mso-hansi-font-family: " ,Verdana,Arial?; mso-bidi-font-family: 宋体; mso-ascii-font-family: ? mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA?>腿部的鱼尾状摆动。</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-weight: bold; mso-bidi-font-family: 宋体; mso-fareast-font-family: 楷体_GB2312; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><BR></SPAN><FONT color=#010121><SPAN lang=EN-US style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-font-family: 楷体_GB2312; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;&nbsp;<SPAN style="mso-spacerun: yes">&nbsp; </SPAN>3</SPAN><SPAN style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: " ,Verdana,Arial?; mso-bidi-font-family: 宋体; mso-ascii-font-family: ? mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA?>、最重要的是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-font-family: 楷体_GB2312; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">...&nbsp;&nbsp; </SPAN><SPAN style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: " ,Verdana,Arial?; mso-bidi-font-family: 宋体; mso-ascii-font-family: ? mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA?>用你的身体侧面来切割水。你曾经注意过相比起人类来,鱼是怎样用身体切割水的吗?</SPAN></FONT><FONT color=#010121><SPAN lang=EN-US style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-font-family: 楷体_GB2312; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> <BR>&nbsp;&nbsp;&nbsp;<SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN><SPAN style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-weight: bold; mso-hansi-font-family: " ,Verdana,Arial?; mso-bidi-font-family: 宋体; mso-ascii-font-family: ? mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA?>当你在自由泳和仰泳中采取更像鱼那样的侧卧位时,水会擦过你的两个身体表面,胸和背,比起你自己的胸部朝下,全部水都从身体下方流过的方式,这种方式水的粘滞距离会缩小一半。这样阻力也差不多减小了一半。自由泳和仰泳时不要采用腹部朝下或背部的体位,在身体左右转动时尽快地转过这个位置。</SPAN></FONT><SPAN lang=EN-US style="FONT-SIZE: 15pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-font-family: 楷体_GB2312; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> </SPAN>

松花江快艇 发表于 2007-7-3 18:20

<P><FONT color=#0968f7>学习游泳时三个如何减小阻力的窍门</FONT></P>
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