| （1.长春师范学院 体育学院，吉林 长春130032； 2.吉林大学 体育学院，吉林 长春130012；3.东北师范大学 体育学院，吉林 长春130024） 摘要：通过影像测量方法，探讨了速滑姿势与能量输出之间的关系。结果认为：功率与步频和滑行姿势密切相关；在滑行同一距离项目中，输出功率总量决定水平相近的运动员之间成绩上的微小差异；绝对意义的低姿势只能是躯干保持水平位置，而相对意义的低姿势以发挥下肢蹬伸力量为前提；高的能量输出主要是通过大量的蹬伸做功而产生。 关键词：滑行姿势；功率；输出功率总量；速度滑冰运动 中图分类号：G862 文献标识码：A 文章编号：1006-7116(2006)01-0111-03 |
HOU Guang-qing1，ZOU Xiao-feng2，CHEN Min-sheng3
| (1.College of Physical Education, Changchun Normal Institute,Changchun 130032,China;2.College of Physical Education, Jilin University, Changchun 130012,China; 3.College of Physical Education, Northeast Normal University,Changchun 130024,China) Abstract: By means of video measurement, the authors probed into the relation between speed skating posture and energy output,and revealed the following findings:The power was closely related to stride frequency and sliding posture;in an event in which the athletes skate over the same distance, the parameter of total output power decided the slight difference of performance between athletes whose capabilities were very close; an absolutely low posture could only be the one in which the trunk maintains a level position,while a relatively low posture was used only to exert the striding power of lower limbs; high energy output was produced mainly by making a lot of strides to produce power. Key words: sliding posture; power; total output power；speed skating |
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