血液流量限制袖子设计对上肢运动的影响:一项随机交叉试验,针对经过抵抗训练的成年人进行
Nicholas Rolnick1,2, Victor S de Queiros3, Brent Fedorko4
1Department of Exercise Science and Recreation, CUNY Lehman College, New York, New York, USA.
Physiological reports
|April 7, 2025
概括
单腔血流限制 (SC-BFR) 比多腔BFR (MC-BFR) 和对照减少了更多的炼重复. MC-BFR提供了与非BFR相似的性能和舒适性,这表明袖口设计影响了急性BFR反应.
科学领域:
- 运动生理学 运动生理学
- 生物医学工程 生物医学工程
- 运动科学 运动科学 运动科学
背景情况:
- 血流限制 (BFR) 训练是一种流行的运动方式.
- BFR袖口的设计,特别是膀的配置,可能会影响训练结果.
- 单 (SC-BFR) 和多 (MC-BFR) 系统之间的差异尚未完全理解.
研究的目的:
- 为了比较SC-BFR和MC-BFR系统对运动表现,感知反应和心血管措施的影响.
- 为了研究不同的BFR袖口设计如何影响抵抗运动期间的急性生理适应.
主要方法:
- 一项随机交叉研究,涉及26名健康,身体活跃的个人.
- 参与者在三种条件下使用20%的1-RM进行双边两曲线到意志失败:SC-BFR,MC-BFR和非BFR控制.
- 测量包括总重复次数,感知劳力的评分 (RPE),感知不适的评分 (RPD) 和心血管参数 (血压,脉冲波速率).
主要成果:
- 与MC-BFR和非BFR相比,SC-BFR显著减少了总重复次数.
- 在MC-BFR和非BFR条件下,在以后的集合中表现相似.
- 在SC-BFR中,RPD高于SC-BFR,而MC-BFR引起的RPE低于SC-BFR.
- 与MC-BFR不同的是,SC-BFR和非BFR降低了运动后的透析血压和平均动脉压.
结论:
- 与MC-BFR相比,SC-BFR导致更大的重复减少和感知不适.
- MC-BFR 提供了与后期组的非BFR 条件相比较的运动性能和舒适性.
- BFR袖口膀的设计显著影响了对BFR运动的急性反应.
更多相关视频
09:04Skeletal Muscle Neurovascular Coupling, Oxidative Capacity, and Microvascular Function with 'One Stop Shop' Near-infrared Spectroscopy
Published on: February 20, 2018
12.4K
04:44Author Spotlight: Enhancing Vascular Function and Physical Capacity in Cardiovascular Disease Through Novel Interventions and NIRS Technology
Published on: March 22, 2024
793
相关概念视频
01:10Pre-Procedural Guidelines for Assessing Blood Pressure
517
Accurate blood pressure assessment is crucial for diagnosing and managing various health conditions. To ensure the reliability of these measurements, healthcare professionals must adhere to standardized pre-procedural guidelines. These guidelines enhance patient safety and improve the overall quality of healthcare. The following steps are essential for obtaining accurate and consistent blood pressure readings, from using the appropriate tools to ensuring effective communication with the...
517
01:29Blood Flow
65.1K
Blood is pumped by the heart into the aorta, the largest artery in the body, and then into increasingly smaller arteries, arterioles, and capillaries. The velocity of blood flow decreases with increased cross-sectional blood vessel area. As blood returns to the heart through venules and veins, its velocity increases. The movement of blood is encouraged by smooth muscle in the vessel walls, the movement of skeletal muscle surrounding the vessels, and one-way valves that prevent backflow.
65.1K
01:20Exercise and Cardiovascular Response
662
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...
662
01:21Sites for measruring blood pressure
1.4K
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
1.4K
01:28Special considerations while measuring blood pressure
693
When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
693
01:17Autoregulation of Blood Flow
2.0K
Autoregulation mechanisms are characterized by their inherent capacity for self-regulation without necessitating specific nervous stimulation or endocrine control. These mechanisms facilitate the adjustment of blood flow and, therefore, perfusion specific to each tissue region. This self-regulation encompasses chemical signals and myogenic controls.
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation....
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation....
2.0K