血液流量限制练习期间外部和内部负载/强度之间的差异:理解血液流量限制压力作为调节因素
Robert Bielitzki1, Martin Behrens2, Tom Behrendt3
1Department of Sport Science, Institute III, Otto-von-Guericke University Magdeburg, Magdeburg, Germany. robert.bielitzki@ovgu.de.
Sports medicine - open
|September 3, 2024
概括
低外部负荷的血流限制 (BFR) 训练可以产生高的内部负荷反应,挑战传统的运动强度概念. 这凸显了BFR作为影响外部和内部炼负载的关键因素.
科学领域:
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
- 生物医学工程 生物医学工程
背景情况:
- 身体炼通过重复刺激导致适应.
- 控制外部负荷和心理生理应变是训练的关键.
- 一个框架区分外部负载 (工作) 和内部负载 (响应).
研究的目的:
- 为了强调外部和内部负载/强度与血液流量限制 (BFR) 之间的不匹配.
- 建议BFR作为额外的炼决定因素.
- 为BFR研究和实践提供术语建议.
主要方法:
- 对BFR和运动生理学的现有文献的审查.
- 在BFR练习期间,对外部和内部负载之间的相互作用进行分析.
- 讨论BFR压力作为运动负载的决定因素.
主要成果:
- 低外部负荷的BFR引发了通常在高负荷时看到的生理和感知反应.
- BFR可以操纵外部负载 (减少总工作) 和内部负载 (增加生理/感知反应).
- BFR压力会影响内部和外部的运动负荷.
结论:
- BFR在外部和内部运动强度之间产生了显著的不匹配.
- 应将BFR视为一个独立的运动决定因素.
- 建议使用标准化术语,以提高BFR研究和应用的清晰度.
相关概念视频
Measurement of Blood Pressure
896
Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
896
Exercise Stress Test
184
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
184
Equipments Used To Measure Blood Pressure
853
Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
853
Sites for measruring blood pressure
1.5K
Blood pressure measurement is a fundamental clinical procedure, providing crucial data for assessing cardiovascular health. Among the various sites for this measurement, the brachial and popliteal arteries are predominantly utilized due to their accessibility and the reliability of their readings. This lesson delves into the anatomical significance, methodology, and considerations of measuring blood pressure at these locations.
The Brachial Artery: Primary Site for Blood Pressure Measurement
The Brachial Artery: Primary Site for Blood Pressure Measurement
1.5K
Imbalances in Cardiac Output
1.4K
The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
1.4K
Regulation of Stroke Volume
3.2K
The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
3.2K


