精英和新手屏息潜水员在两周的干呼吸暂停训练前后进行静态呼吸暂停训练时的生理反应。

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Dimitrios I. Bourdas , Nickos D. Geladas
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引用次数: 0

摘要

本研究考察了屏气(BH)训练对新手BH潜水员(NBH:n=10)呼吸暂停性能的影响,并将其与精英BH潜水员(EBH:n=11)的数据进行了比较。两组均进行5次最大BHs(PRE)。NBH组在两周的BH训练(POST)后重复该方案。NBH组在BH治疗期间,红细胞浓度(4.56±0.16Mio/μl)显著增加了5.06%,血红蛋白氧饱和度稳定状态持续时间(110.32±29.84s)显著增加15.48%,屏气时间(BHT:144.19±47.35s)显著延长33.77%,主要是由于POST中挣扎期(71.85±30.89s)增加了59.70%。EBH组的BHT(283.95±36.93s)和挣扎期(150.10±34.69s)均长于NBH组(POST)。与新手相比(PRE:123.70±15.65mmHg,POST:128.30±19.16mmHg),精英潜水员记录到更高的MAP峰值(153.18±12.28mmHg)。这表明MAP峰值越高,BHT越好。膈肌活动和MAP同时突然增加,仅在EBH组中可见,这表明存在潜在的相互作用。此外,呼吸暂停训练增加了反复呼吸暂停时红细胞的浓度,并增加了BH耐力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Physiological responses during static apnoea efforts in elite and novice breath-hold divers before and after two weeks of dry apnoea training

Physiological responses during static apnoea efforts in elite and novice breath-hold divers before and after two weeks of dry apnoea training

This study examined the effect of breath-hold (BH) training on apnoeic performance in novice BH divers (NBH:n = 10) and compared them with data from elite BH divers (EBH:n = 11). Both groups performed 5-maximal BHs (PRE). The NBH group repeated this protocol after two weeks of BH training (POST). The NBH group during BH efforts significantly increased red blood cell concentration (4.56 ± 0.16Mio/μl) by 5.06%, hemoglobin oxygen saturation steady state duration (110.32 ± 29.84 s) by 15.48%, and breath-hold time (BHT:144.19 ± 47.35 s) by 33.77%, primarily due to a 59.70% increase in struggle phase (71.85 ± 30.89 s), in POST. EBH group exhibited longer BHT (283.95 ± 36.93 s) and struggle-phase (150.10 ± 34.69 s) than NBH (POST). Elite divers recorded a higher peak MAP (153.18 ± 12.28 mmHg) compared to novices (PRE:123.70 ± 15.65 mmHg, POST:128.30 ± 19.16 mmHg), suggesting that a higher peak MAP is associated with a better BHT. The concurrent abrupt increase of diaphragmatic activity and MAP, seen only in the EBH group, suggests a potential interaction. Additionally, apnoea training increases red blood cells concentration in repeated apnoea efforts and increases BH stamina.

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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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