历届冬奥会女子自由式滑雪空中技巧三周动作研究

主要采用调查访问法、录像观察法,对1994年至2006年4届冬奥会女子自由式滑雪空中技巧比赛所有使用三周动作的9个国家14名选手及其48跳次三周动作进行了系统研究。结果得出:从第17届至第20届冬奥会,两跳三周动作平均难度从6.28升至7.57,着陆成功率从14%升至61%,平均动作质量系数从0.70升至0.79,经过12年的发展其三周动作已实现了质的飞跃;与前3届冬奥会相比,第20届冬奥会女子空中技巧三周动作的使用效益最大,这将对今后该项目的技术发展与实力格局产生重要影响。

Study on Jumps of Triple Somersaults of Women's Aerials in the Last Four Olympic Winter Games

Using investigative interview and video analysis research methods,this paper systematically studies on 48 jumps of 14 athletes from 9 countries who use jumps of triple somersaults of women's Aerials in the last four Olympic Winter Games during 1994 to 2006.The result shows that from the 17th to the 20th Olympic Winter Games,two jumps of triple somersaults on average difficulty are higher from 6.28 to 7.57,success rate of landing is higher from 14% to 61%,the average quality factor moves from 0.70 to 0.79.After 12 years of development,triple somersault has achieved a qualitative leap.It will have important effect on the development of technique and structure of strength of this event.