划船运动强度领域的生理需求:体重类别和性别差异的影响
Manoel Rios1,2, Ricardo Cardoso1, Ana Sofia Monteiro1
1Centre of Research, Education, Innovation and Intervention in Sport and Porto Biomechanics Laboratory, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal.
Sports (Basel, Switzerland)
|August 27, 2025
概括
这项研究显示,重型划船的绝对能量输出更高,而轻型划船的代谢效率更高. 男性手的心肺和新陈代谢反应比女性更强,但相对的能量生产在两性之间是相似的.
科学领域:
- 运动生理学
- 运动科学
- 划船性能分析
背景情况:
- 了解划船的生理需求对于优化训练和表现至关重要.
- 之前的研究还没有完全阐明训练有素的划船员在各种运动强度,体重类别和性别方面的生理反应差异.
研究的目的:
- 检查四个运动强度领域中训练有素的划船者的生理需求.
- 研究重量类别 (轻量级与重量级) 和性别在增量划船运动中的生理反应的影响.
- 使用性能,心肺呼吸和代谢数据来描述逐渐增强的运动强度的内部负荷.
主要方法:
- 24名训练有素的手 (12名轻量级,12名重量级) 参加了这项研究.
- 划船员在划船器上进行了7次3分钟的增量,休息间隔为60秒.
- 包括表现,心肺呼吸和代谢反应在内的生理参数被持续监测.
主要成果:
- 与轻量级相比,重量级划船员的绝对无氧能量产量,最高代谢功率和总能耗显著增加.
- 轻量级手表现出与重量级手相似的相对心肺呼吸反应,表明更高的代谢效率.
- 在所有强度域中,男性划船员的绝对氧气吸收,通风,新陈代谢能力和能量消耗都较高,但血液乳酸和无氧能量贡献在两性之间相似.
结论:
- 基于领域的生理分析有效地根据重量类别和性别区分了划船者的内部反应.
- 重量级动物在绝对能量输出方面表现出色, 而轻量级动物则表现出更高的代谢效率.
- 建议根据不同的生理特征进行个性化训练,以优化划船性能.
更多相关视频
相关概念视频
Exercise and Cardiovascular Response
1.1K
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
1.1K
Exercise and Cardiac Output
1.3K
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...
1.3K
Exercise and Muscle Performance
1.6K
Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
1.6K
Cardiac Output I:Effect of Heart Rate on Cardiac Output
1.2K
Cardiac Output
Cardiac output (CO) refers to the total amount of blood ejected by one of the ventricles in liters per minute (L/min). In a resting adult, CO ranges from 5 to 6 L/min, adjusting according to the body's metabolic requirements.
Effect of Heart Rate on Cardiac Output
Cardiac output adapts to metabolic demands during stress, physical activity, or illness. The autonomic nervous system regulates heart rate via the sinoatrial node. The parasympathetic nervous system decreases heart...
Cardiac output (CO) refers to the total amount of blood ejected by one of the ventricles in liters per minute (L/min). In a resting adult, CO ranges from 5 to 6 L/min, adjusting according to the body's metabolic requirements.
Effect of Heart Rate on Cardiac Output
Cardiac output adapts to metabolic demands during stress, physical activity, or illness. The autonomic nervous system regulates heart rate via the sinoatrial node. The parasympathetic nervous system decreases heart...
1.2K
Exercise Stress Test
489
Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
489
Cardiac Output II: Effect of Stroke Volume on Cardiac Output
1.4K
Cardiac output (CO), the amount of blood the heart pumps per minute, is a parameter in cardiovascular physiology determined by stroke volume and heart rate. Stroke volume, the amount of blood pushed from one of the ventricles per heartbeat, is influenced by preload, afterload, and contractility.
Preload
Preload refers to the initial elongation of the cardiac myocytes before contraction and is related to the volume of blood filling the heart at the end of diastole, or end-diastolic volume. The...
Preload
Preload refers to the initial elongation of the cardiac myocytes before contraction and is related to the volume of blood filling the heart at the end of diastole, or end-diastolic volume. The...
1.4K


