通过缺血性预先调节来提高身体表现:对调节剂和表现结果的系统审查和元分析
Yilin Zhang1, Kai Xu2, Hao Kong1
1School of Sports Training, Tianjin University of Sport, No.16 Donghai Road, Tuanbo New Town West, Jinghai District, Tianjin, 301617, China.
Biology of sport
|March 5, 2026
概括
缺血预调 (IPC) 在体力表现方面提供了小但显著的提升,特别是当与大约42分钟后的热身 (WU) 相结合时. 这种性能提升受到性别和训练水平等因素的影响.
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
- 人类表现的人类表现.
背景情况:
- 缺血预条件 (IPC) 是短暂的缺血期,随后是再输液.
- 它对身体表现的影响受到辩论,时间,热身 (WU) 和参与者特征的潜在影响.
研究的目的:
- 系统地评估IPC对各种物理性能指标的影响.
- 通过元分析确定最佳的IPC协议,时间和影响因素.
主要方法:
- 对90项试验进行了全面的元分析,涉及来自三个数据库的1,439名参与者.
- 使用PICOS标准进行研究选择和多层次元分析,并进行集群强度差异调整.
- 使用RoB 2和GRADE框架评估偏差风险和证据确定性.
主要成果:
- IPC在整体体力表现方面显示出小但显著的改善 (g = 0.13).
- 对最大重复次数,故障时间和功率输出观察到好处,但对于跳跃能力,力量或氧气吸收没有.
- 在男性和训练较少的个体中,表现的增长更大,并在WU (~42分钟间隔) 之后显著增强.
结论:
- IPC可以提高身体表现,独立于假效果,其益处因性别,训练状态和热身协议而受到调节.
- 竞争的最佳策略包括3-4×5分钟的IPC,42分钟的休息,然后是WU和耐力测试.
- 对于机理学研究,排除WU并测试IPC后6-7分钟.
相关概念视频
Exercise and Muscle Performance
6.2K
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...
6.2K
Pathophysiology of Cardiac Performance
2.2K
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...
2.2K
Ischemic Heart Disease: Overview
3.8K
Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and...
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and...
3.8K
Exercise and Cardiac Output
3.8K
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...
3.8K
Exercise and Cardiovascular Response
6.7K
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...
6.7K


