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骨矿物质密度与男性和女性跑步者的地面反应力之间的关联
Maxwell D Smith1, Rebecca L Wong1, Derek N Pamukoff1
1School of Kinesiology, Western University, London, Ontario N6A 3K7, Canada.
Gait & posture
|December 17, 2025
概括
男性跑步者显示地面反应力 (GRF) 和骨矿物质密度 (BMD) 之间的正相关性,而女性跑步者则没有. 这表明女性跑步者可能需要额外的训练来提高骨密度.
科学领域:
- 运动生理学 运动生理学
- 骨的新陈代谢 骨的新陈代谢
- 生物力学 生物力学
背景情况:
- 骨矿物质密度 (BMD) 积累是通过机械负荷来刺激的.
- 长途跑步者在运动期间会经历显著的地面反应力 (GRF),这有助于骨负荷.
- 基于性别的BMD差异表明,男性和女性对跑步诱导的GRF的反应不同.
研究的目的:
- 调查男性和女性长途跑步者的GRF和BMD之间的关系.
- 确定性别是否影响跑步生物力学与骨密度之间的关联.
主要方法:
- 40名长途跑步运动员 (20名男性,20名女性) 接受了双重X射线吸收测量,以测量骨质量.
- 在自选和标准化的步伐下,使用强力仪器跑步机测量了垂直GRF特征.
- 皮尔森相关性分析检查了GRF参数和BMD之间的关联,按性别分层.
主要成果:
- 与男性相比,女性的绝对GRF和BMD较低 (p <0.05).
- 在男性中,增加的BMD与更高的垂直GRF,负载率和自选和标准化步伐的冲动相关 (p <0.05).
- 在任何步伐的女性跑步者中,GRF参数和BMD之间没有发现显著的关联 (p > 0.130).
结论:
- 在跑步者中,GRF和BMD之间的关系取决于性别.
- 女性跑步者可能需要针对性的补充训练干预措施来增强BMD,因为GRF单独似乎不是一个显著的相关.
- 对运动员骨健康的性别特定训练策略进行进一步的研究是有必要的.
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