急性运动会影响心率变化,但在随后的模拟消防员职业任务中不会影响认知灵活性
Philip J Agostinelli1, Nicholas C Bordonie1, Braxton A Linder2
1Warrior Research Center, School of Kinesiology, Auburn University, 301 Wire Road, Auburn, AL, 38632, USA.
European journal of applied physiology
|November 13, 2024
概括
轮班有氧或阻力运动没有改善消防员在职业任务期间的认知灵活性. 心率变化指标显示了变化,但与认知表现结果无关.
科学领域:
- 运动生理学 运动生理学
- 认知神经科学是一种认知神经科学.
- 职业健康 职业健康 职业健康 职业健康
背景情况:
- 认知灵活性对于消防员等要求高的职业至关重要.
- 急性炼可以暂时增强认知功能.
- 心率变化 (HRV) 度量可能表明对运动的生理反应及其对认知的影响.
研究的目的:
- 调查急性抵抗运动 (RE) 和有氧运动 (AE) 在模拟消防员职业任务期间是否会影响认知灵活性.
- 探索运动引起的HRV变化与认知表现之间的关系.
主要方法:
- 32名参与者接受了基线认知测试 (威斯康星州卡片排序任务 - WCST).
- 参与者完成了三个条件:休息控制 (CON),RE或AE.
- 在每种条件之后,参与者进行了模拟的职业任务评估 (OTA),包括在炎热的环境中进行死亡提升和携带沙袋,在OTA期间给予WCST.
主要成果:
- 在不同条件下,没有观察到WCST性能 (总,持久性或非持久性错误) 的显著差异.
- 时间域HRV指标在条件之间没有差异.
- 频域HRV指标,除了低频功率,没有显著差异. 与RE和CON相比,AE后的低频功率较低.
结论:
- 剧烈的轮班有氧或阻力运动可能不会在随后的职业任务中提高消防员的认知灵活性.
- 尽管在有氧运动后观察到HRV低频功率的变化,但这种生理反应在这种情况下并没有转化为更好的认知灵活性.
更多相关视频
05:48Autonomic Function Following Concussion in Youth Athletes: An Exploration of Heart Rate Variability Using 24-hour Recording Methodology
Published on: September 21, 2018
10.1K
07:26Assessment of Stress Effects on Cognitive Flexibility using an Operant Strategy Shifting Paradigm
Published on: May 4, 2020
3.3K
相关概念视频
01:20Exercise and Cardiovascular Response
739
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...
739
01:17Exercise and Cardiac Output
926
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...
926
01:26Exercise Stress Test
176
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
176
01:30Factors Influencing Heart Rate
2.5K
The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
2.5K
01:19Cardiac Output I:Effect of Heart Rate on Cardiac Output
612
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...
612
01:22Cardiac Output II: Effect of Stroke Volume on Cardiac Output
706
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...
706