"落后"、"放手 "和 "被超越 "是长跑步速的显著特征。

IF 3.5 2区 医学 Q1 PHYSIOLOGY
Carl Foster, Renato Barroso, Daniel Bok, Daniel Boullosa, Arturo Casado, Cristina Cortis, Andrea Fusco, Brian Hanley, Philip Skiba, Jos J de Koning
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引用次数: 0

摘要

介绍:在长跑比赛中,配速的特点是速度的变化,导致跑者落后于领跑者的速度,直到剩下少数人最后冲刺争夺胜利。在过去的 30 年中,人们对配速行为进行了深入研究,但仍有许多未知因素。它可能与终点位置、终点时间有关,也取决于临界速度(CS),临界速度是生理能力的代名词。我们假设临界速度与选手 "落后 "和 "甩开 "领先者或被 "超越 "的距离之间的关系是影响成绩的因素。在 "落后"(连续分段时间逐渐慢于获胜者)、"放手"(与获胜者相比距离时间大幅增加)或 "被超越"(尽管积极加速但仍落后)时与获胜者的分段时间进行单独比较,尽管在比赛还剩 400 米时与领先者在一起:比赛时间介于 26:55 和 29:23 之间(世界纪录 = 26:17)。有三组人分别在 1000 米(11 人)、6000 米(16 人)和 9000 米(2 人)落后;在 4000 米(10 人)、7000 米(14 人)和 9500 米(5 人)落后;或被超越(6 人)。CS 与终点位置(r = 0.82)、个人平均速度(r = 0.79)、"落后 "距离(r = 0.77)和 "放手 "距离(r = 0.79)之间存在中等程度的相关性。D'平衡与最后400米的成绩相关(r = .87):结论:运动员表现出明显的落后和放手模式。CS可适度预测成绩和最终名次。短跑中的最终名次与保持 D'平衡有关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
"Falling Behind," "Letting Go," and Being "Outsprinted" as Distinct Features of Pacing in Distance Running.

Introduction: In distance running, pacing is characterized by changes in speed, leading to runners dropping off the leader's pace until a few remain to contest victory with a final sprint. Pacing behavior has been well studied over the last 30 years, but much remains unknown. It might be related to finishing position, finishing time, and dependent on critical speed (CS), a surrogate of physiologic capacity. We hypothesized a relationship between CS and the distance at which runners "fell behind" and "let go" from the leader or were "outsprinted" as contributors to performance.

Methods: 100-m split times were obtained for athletes in the men's 10,000-m at the 2008 Olympics (N = 35). Split times were individually compared with the winner at the point of "falling behind" (successive split times progressively slower than the winner), "letting go" (large increase in time for distance compared with winner), or "outsprinted" (falling behind despite active acceleration) despite being with the leader with 400 m remaining.

Results: Race times ranged between 26:55 and 29:23 (world record = 26:17). There were 3 groups who fell behind at ∼1000 (n = 11), ∼6000 (n = 16), and ∼9000 m (n = 2); let go at ∼4000 (n = 10), ∼7000 (n = 14), and ∼9500 m (n = 5); or were outkicked (n = 6). There was a moderate correlation between CS and finishing position (r = .82), individual mean pace (r = .79), "fell behind" distance (r = .77), and "let go" distance (r = .79). D' balance was correlated with performance in the last 400 m (r = .87).

Conclusions: Athletes displayed distinct patterns of falling behind and letting go. CS serves as a moderate predictor of performance and final placing. Final placing during the sprint is related to preservation of D' balance.

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来源期刊
CiteScore
5.80
自引率
12.10%
发文量
199
审稿时长
6-12 weeks
期刊介绍: The International Journal of Sports Physiology and Performance (IJSPP) focuses on sport physiology and performance and is dedicated to advancing the knowledge of sport and exercise physiologists, sport-performance researchers, and other sport scientists. The journal publishes authoritative peer-reviewed research in sport physiology and related disciplines, with an emphasis on work having direct practical applications in enhancing sport performance in sport physiology and related disciplines. IJSPP publishes 10 issues per year: January, February, March, April, May, July, August, September, October, and November.
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