北京奥运会女子三级跳远决赛运动员的竞技能力

Competitive strength of female triple jump athletes during competition in Beijing Olympic Games

对第29届北京奥运会女子三级跳远决赛运动员的基本情况、前后3跳成绩、成功率、速度变化特征等进行研究。结果表明:32～33岁是女子三级跳远运动员展示最佳竞技能力的成熟期,及格赛成绩平均比值约为97.03%。决赛成绩均达到个人最好成绩的,平均比值约99.8%。第2、3跳是决赛阶段出现最佳成绩的关键跳次,第2跳成功率最高,达100%;其次是第1跳的成功率也达到75%;第3、4跳次的成功率相等。前3名运动员中有两人的助跑速度达到8.16 m/s以上,后3跳的成功率有所降低。

The authors studied the basic conditions, scores for the first and last 3 jumps, rate of success and characteristics of speed variation regarding female triple jump athletes participating in the 29^th Beijing Olympic Games, and revealed the following findings： ages 32-33 are the mature period for triple jump athletes to show their best competitive strength; approximately 97.3% of their average scores in qualification competition reach their personal best scores, and approximately 99.8% of their average scores in final competition reach their personal best scores; the second and third jumps are the critical jumps to get their best scores in final competition, and the rate of success in the second jump is 100%, the highest; the rate of success in the first jump is 75%; the rates of success in the third and fourth jumps are the same; the run-up speed of the two athletes in top three athletes is over 8.16 m/s, but the rate of success in the last three jumps is somewhat lowered.