相关实验视频
Updated: Jan 11, 2026

09:54
A Model to Simulate Clinically Relevant Hypoxia in Humans
Published on: December 22, 2016
9.3K
呼吸暂停与正常呼吸在游泳高强度间歇训练期间对生理反应的影响
Pinelopi Liapaki1, Helen Soultanakis2, Ioannis Kalomenidis3
1Medical School, National and Kapodistrian University of Athens, Athens, Greece.
Journal of human kinetics
|November 17, 2025
概括
在高强度游泳期间的呼吸暂停 (屏住呼吸) 改善了冲刺表现. 虽然它增加了代谢酸化,但它不会对整体恢复或酸平衡产生负面影响.
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
- 游泳表现表现 游泳表现表现
背景情况:
- 高强度间歇训练 (HIIT) 对运动发展至关重要.
- 了解游泳中不同呼吸技巧的生理影响对于优化表现至关重要.
- 呼吸暂停或屏住呼吸是一种在各种体育运动中探索的替代技术.
研究的目的:
- 为了比较常规呼吸与呼吸暂停对酸平衡,生理反应和高强度间歇游泳中的表现的影响.
- 为了研究呼吸暂停对代谢酸和游泳者的恢复的影响.
主要方法:
- 16名游泳者组成的两组在最大强度下进行了6×50米自由泳间隔,休息1分钟.
- 呼吸条件包括正常呼吸和呼吸暂停.
- 毛细血管血液气体 (pH,PCO2,PO2,HCO3,Hct,Hb),心率,乳酸度和50米游泳时间在休息时,第三次间隔后,会议后和恢复期间被测量.
主要成果:
- 无呼吸导致比正常呼吸更快的50米游泳时间.
- 这两种情况都导致了不补偿的代谢酸症,由于乳酸酸症的增加,呼吸暂停期间的影响更为明显.
- 游泳者在呼吸暂停期间经历了胸,但有效地恢复了.
结论:
- 呼吸暂停可以在重复的50米自由泳间隔中提高冲刺表现.
- 呼吸暂停不会加剧代谢酸症,以至于损害恢复或酸平衡.
- 游泳者可以利用呼吸暂停来提高短距离,高强度游泳的表现,而不会造成有害的生理后果.
相关概念视频
Sleep Apnea
464
Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
The condition is more prevalent among...
464
Hyperpnea and Hyperventilation
2.4K
Hyperventilation refers to a higher-than-normal rate and depth of breathing, often associated with anxiety attacks. This excessive breathing surpasses the body's need to expel CO2, leading to a condition known as hypocapnia - an unusually low level of carbon dioxide in the blood. Hypocapnia can constrict cerebral blood vessels, reducing blood flow to the brain, which may result in dizziness or fainting. Early signs include tingling and muscle spasms in the hands and face, caused by falling...
2.4K
Alterations in Respiration II
1.6K
There are numerous types of normal and abnormal respiration. Based on ventilatory movements, breathing patterns are classified as regular, deep, or shallow. Examples include Biot's breathing, Cheyne-Stokes respiration, Kussmaul's breathing, hyperventilation, and hypoventilation. Each pattern is clinically significant and aids in evaluating patients.
In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes...
In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes...
1.6K
Respiratory Volumes and Capacities I
1.6K
Assessing the respiratory rate and rhythm for a complete minute is crucial for evaluating the breathing pattern. Even a minor increase in the patient's average respiratory rate, by as little as three to five breaths per minute, is an early and vital indicator of respiratory distress. Patients with a respiratory rate exceeding twenty-four breaths per minute require close monitoring to determine the physiological alterations. This careful observation is essential for prompt recognition and...
1.6K
Other Factors Affecting Respiration Centers
1.4K
Breathing is primarily an involuntary activity regulated by the brainstem respiratory centers. However, it can also be consciously controlled, allowing us to hold our breath or take deeper breaths when needed. This voluntary control is facilitated by the cerebral motor cortex, which bypasses the medullary centers to stimulate the respiratory muscles directly.
However, the ability to hold one's breath voluntarily is not limitless. When the CO2 concentration in the blood reaches a critical...
However, the ability to hold one's breath voluntarily is not limitless. When the CO2 concentration in the blood reaches a critical...
1.4K
Exercise and Cardiac Output
1.8K
Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be...
Sustained exercise increases the muscles' oxygen demand, which can be...
1.8K

