屏住呼吸的性别差异:非潜水员的氧气储存和潜水反应
Frank Pernett1, Erika Schagatay1,2, Pontus Holmström1,2
1Department of Health Sciences, Environmental Physiology Group, Mid Sweden University, Östersund, Sweden.
Frontiers in physiology
|January 28, 2025
概括
男性的喘息时间比女性更长,部分原因是脏的大小和收缩. 然而,生理潜水反应,包括心率降低和氧和,在没有经验的喘息潜水员中,两性之间是相似的.
科学领域:
- 生理学 生理学 生理学
- 人类表现的人类表现.
- 比较生物学的比较生物学
背景情况:
- 喘息潜水表现往往显示出基于性别的差异,男性通常表现优于女性.
- 性别之间的喘息期间的生理反应需要进一步调查.
- 了解这些差异对于自由潜水和体育科学等领域至关重要.
研究的目的:
- 为了比较男性和女性之间最大的喘息持续时间,没有以前的经验.
- 调查生理反应的性别差异,包括心率降低和外周氧和.
- 检查与性别相关的喘息期间的脏体积和收缩.
主要方法:
- 37名男性和44名女性进行了两次干性呼吸暂停:一个60秒的试验和一个最大努力的试验.
- 持续监测心率 (HR) 和外周氧和 (SpO2).
- 超声波测量了呼吸暂停前后的脏直径,以确定脏收缩.
主要成果:
- 男性的最大喘息时间 (78秒) 比女性 (61秒) 长得多.
- 绝对脏收缩在男性 (59毫升) 与女性 (35毫升) 相比较大,但相对收缩是相似的.
- 在最大呼吸暂停期间心率降低和最低SPO2在性别之间是可比的.
结论:
- 与女性相比,男性的脏大小,脏收缩,肺部大小和最大喘息持续时间更大.
- 心血管潜水反应在刚开始无呼吸潜水的人中,性别之间是相似的.
- 较大的氧气储存能力,源于更大的生命能力和脏功能,可能解释了男性更长的喘息时间.
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