相关实验视频

Updated: Jul 9, 2025

The Effect of Anti-Fatigue Decoction on the Behaviors and Serological Indicators in a Central Fatigue Rat Model
05:38

The Effect of Anti-Fatigue Decoction on the Behaviors and Serological Indicators in a Central Fatigue Rat Model

Published on: April 12, 2024

302

疲劳对心脏自主神经活动的急性影响

Yan Chen1, Meng Liu2, Jun Zhou3

  • 1Sports Department, Beihang University, Beijing, China.

Journal of sports science & medicine
|December 4, 2023
PubMed
概括

身体精神疲劳 (PMF) 显著破坏自主神经系统 (ANS) 功能,比单独的精神疲劳更大程度上降低了副交感活动. 这种联合疲劳会影响心脏自主平衡和认知能力.

关键词:
身体疲劳导致的身体疲劳.心脏自主活动心脏自主活动心率变化的心率变化.精神疲劳 精神疲劳 精神疲劳身体-精神疲劳和疲劳.

更多相关视频

Evaluating the Role of Mitochondrial Function in Cancer-related Fatigue08:56

Evaluating the Role of Mitochondrial Function in Cancer-related Fatigue

Published on: May 17, 2018

9.2K
Measuring the Motor Aspect of Cancer-Related Fatigue using a Handheld Dynamometer07:22

Measuring the Motor Aspect of Cancer-Related Fatigue using a Handheld Dynamometer

Published on: February 20, 2020

5.9K

相关概念视频

Disorders of the Autonomic Nervous System01:18

Disorders of the Autonomic Nervous System

The autonomic nervous system (ANS) is an intricate network of nerves that controls functions such as the regulation of heart rate, digestion, and blood pressure regulation. When this system malfunctions, it can lead to various disorders that affect multiple bodily functions. One common feature of many autonomic disorders is the involvement of smooth blood vessels, which play a crucial role in regulating blood flow throughout the body.
Raynaud's disease, also known as Raynaud's...
657
Pathophysiology of Cardiac Performance01:29

Pathophysiology of Cardiac Performance

Typical heart performance is influenced by heart rate, rhythm, myocardial contraction, and metabolism or blood flow. The cardiac muscle exhibits distinct electrophysiological features, including pacemaker activity and calcium channel control, which play a vital role in the heart's response to various drugs. The autonomic nervous system, comprising the sympathetic and parasympathetic branches, regulates heart rate. Sympathetic activation increases heart rate, while parasympathetic activation...
674
Regulation of Heart Rates01:31

Regulation of Heart Rates

The regulation of heart rate is a complex process controlled by the autonomic nervous system (ANS), hormonal influences, and intrinsic cardiac mechanisms. The ANS has two main components: the sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS).
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...
1.8K
Cardiac Output I:Effect of Heart Rate on Cardiac Output01:19

Cardiac Output I:Effect of Heart Rate on Cardiac Output

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...
812
Muscle Recovery and Fatigue01:24

Muscle Recovery and Fatigue

Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
2.1K
Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
1.6K