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相关概念视频

Sex-linked Disorders01:43

Sex-linked Disorders

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Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
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Electric Potential and Potential Difference01:16

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Suppose a positive test charge moves away from a positive static charge, then the Coulomb force does positive work, and its electric potential energy decreases. The potential energy per unit charge is defined as the electric potential. The electric potential is independent of the test charge.
When a test charge moves from the initial to the final position, the electric potential difference between those positions is defined as the ratio of the change in the potential energy to the charge on the...
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Difference from Background: Limit of Detection01:05

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The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
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Identifying Statistically Significant Differences: The F-Test01:14

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The F-test is used to compare two sample variances to each other or compare the sample variance to the population variance. It is used to decide whether an indeterminate error can explain the difference in their values. The underlying assumptions that allow the use of the F-test include the data set or sets are normally distributed, and the data sets are independent of each other. The test statistic F is calculated by dividing one variance by another. In other words, the square of one standard...
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相关实验视频

Updated: Jan 29, 2026

Sex Differences in Mouse Hippocampal Astrocytes after In-Vitro Ischemia
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Sex Differences in Mouse Hippocampal Astrocytes after In-Vitro Ischemia

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轮椅马拉松表现中的性别差异

Matthew M Hanks, Joshua M Leonardis1, Adam W Bleakney

  • 1School of Health and Rehabilitation Sciences, College of Medicine, The Ohio State University, Columbus, OH, USA.

American journal of physical medicine & rehabilitation
|January 27, 2026
PubMed
概括

在轮椅马拉松比赛中,男性的表现始终优于女性,尽管这些表现差距正在缩小. 随着时间的推移,女性的参与率显著增加,改善了这些活动中男性与女性运动员的比例.

关键词:
竞技表现运动员的表现一些残疾人运动员.性因素 性因素适用于残疾人的体育运动轮椅 轮椅 轮椅

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科学领域:

  • 运动科学 运动科学 运动科学
  • 运动生理学 运动生理学
  • 残疾人运动是残疾人运动.

背景情况:

  • 轮椅马拉松比赛是一个不断增长的适应性运动.
  • 了解基于性别的表现和参与趋势对于公平的体育发展至关重要.
  • 历史数据可以揭示运动参与的长期模式.

研究的目的:

  • 分析轮椅马拉松运动员运动表现中性别差异的历史趋势.
  • 检查随着时间的推移,男性和女性轮椅马拉松运动员参与率的变化.
  • 为了确定轮椅马拉松比赛中基于性别的差异的演变.

主要方法:

  • 追溯性,观察性研究设计.
  • 利用了波士顿,芝加哥和纽约市马拉松 (轮椅部门,1984-2023) 的公开数据.
  • 使用差异的单变量分析和皮尔森相关性来评估绩效和参与趋势.

主要成果:

  • 在所有赛事和时间段 (p < 0.001) 中,男性体育表现优于女性体育表现.
  • 绩效差距从第一名 (20%) 扩大到第十名 (33%),尽管整体性别差异随着时间的推移而减少 (p < 0.001).
  • 女运动员的参与率显著增加 (p < 0.001),导致随着时间的推移,男性与女性的比例下降.

结论:

  • 在轮椅马拉松的表现和参与方面,仍然存在显著的性别差异.
  • 性别是影响人类健康和运动表现的关键生物变量,特别是在适应性运动中.
  • 研究结果强调,需要继续研究轮椅运动中基于性别的绩效差异.