[转贴]改进自由泳身体流线型的技巧
<SPAN id=yu><BR><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><FONT size=4><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana"></SPAN><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></FONT></P><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt"><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><BR></SPAN><FONT color=#040473><FONT size=4><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">任何一名选手都有改进身体流线型姿势的余地。</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">改进身体</SPAN></FONT></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><FONT color=#040473><FONT size=4><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">流线型姿势的重要性不言而喻。下述</SPAN><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt">8</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">原</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">则中的任何一条，都会使你受益。</SPAN></FONT></FONT><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt"><BR></P></SPAN><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><FONT face=Verdana color=#040473 size=4></FONT> </P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><FONT color=#040473><FONT size=4><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt">1.</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">入水时，身体应保持水平姿势，肩部不应上抬。</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">身体只能在水平方向上，围绕身体纵轴转动。</SPAN></FONT></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana"><FONT color=#040473 size=4></FONT></SPAN><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt"><BR></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><FONT face=Verdana color=#040473 size=4></FONT> </P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><FONT color=#040473><FONT size=4><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt">2.</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">要低头，目视池底，吸气时，目视池</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">侧，以便身体</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">在水平方向上围绕其纵轴转动。</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">目视前方，或抬头，</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">特别是呼吸时抬头，会</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">破坏身体的流线型姿势。</SPAN></FONT></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana"><FONT color=#040473 size=4></FONT></SPAN><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt"><BR></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><FONT color=#040473><FONT size=4><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt">3</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">要在身体投影截面内打腿，以尽量减小</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">形状阻力。一旦</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">打腿动作超出身体姿势的流线</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">型范围，会抵销划臂动作产</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">生的推进力。</SPAN></FONT></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana"><FONT color=#040473 size=4></FONT></SPAN><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt"><BR></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt"><BR><FONT color=#040473 size=4>4.</FONT></SPAN><FONT color=#040473><FONT size=4><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">臂入水后，尽量避免下压，并设法尽</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">早获得水平分力。</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">入水后立即屈肘有助于更</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">快改变用力方向。如能做到这</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">点，将有助于</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">身体保持流线型姿势。</SPAN></FONT></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana"></SPAN><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt"><BR><BR><FONT color=#040473 size=4>5.</FONT></SPAN><FONT color=#040473><FONT size=4><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">为保持流线型姿势，臀部和肩部应同</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">步转动。如此转</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">动有助于减少形状阻力。</SPAN></FONT></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana"><FONT color=#040473 size=4></FONT></SPAN><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt"><BR></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><FONT color=#040473><FONT size=4><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt">6.</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">为配合转臀动作，应围绕身体纵轴做</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">打腿动作。只做上下打</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">腿会增大形状阻力，</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">然而通过转动打腿，不仅不会减慢游速，</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">并</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">可减少形状阻力。</SPAN></FONT></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana"><FONT color=#040473 size=4></FONT></SPAN><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt"><BR></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt"><BR><FONT color=#040473 size=4>7.</FONT></SPAN><FONT color=#040473><FONT size=4><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">划水和移臂时，上臂靠近肩线既便于肌</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">群发力，又可避免肩伤。</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">内旋肌群负担过重将</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">造成伤害。建议划水时尽量发挥外旋肌作用。</SPAN></FONT></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana"><FONT color=#040473 size=4></FONT></SPAN> </P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><FONT color=#040473><FONT size=4><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt">8.</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">打腿时应注意脚部的流线型姿势，以</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">免增加阻力。然而必须知道有时</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">“制动”动</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: Verdana; mso-bidi-font-size: 9.0pt; mso-hansi-font-family: Verdana">作可矫正其他技术错误。</SPAN><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-size: 9.0pt"><o:p></o:p></SPAN></FONT></FONT></P><BR><BR><BR></SPAN> 真得要好好看看，学习。 <FONT size=6>游泳实践中好好学习，慢慢琢磨。</FONT>
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