代谢,离子和电解质反应对耗尽的低负荷力量训练与没有血流限制和高负荷阻力训练的比较
Alexander Franz1,2, Sanghyeon Ji3,4, Stefan Luckmann2
1Department of Orthopedics and Trauma Surgery, University Hospital Bonn, Bonn, Germany.
Scandinavian journal of medicine & science in sports
|September 2, 2024
概括
低负荷血流限制阻力训练 (LL-BFR-RT) 和其他阻力练习在执行到失败时显示出类似的代谢和电解质变化. 在没有独特的生理反应的情况下,LL-BFR-RT可以减少炼时间.
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
- 生物化学 生化学
背景情况:
- 低负荷血流限制阻力训练 (LL-BFR-RT) 越来越受欢迎的肌肉缩和力量.
- 然而,与传统的抵抗运动相比,其精确的生理影响尚未完全理解.
- 侵入性测量对于准确评估运动期间的代谢和电解质转移至关重要.
研究的目的:
- 为了比较低负荷阻力运动 (LL-RT),LL-BFR-RT和高负荷阻力运动 (HL-RT) 中下肢的代谢,电解质和离子反应.
- 通过侵入性导管测量,评估与这些训练方式相关的生理风险.
- 调查工作负载,疼痛感知和运动后生化标志物的差异.
主要方法:
- 十名健康男性接受了三个运动试验:LL-RT (30% 1RM),LL-BFR-RT (30% 1RM与50%的肢体阻塞压力) 和HL-RT (75% 1RM).
- 练习包括四组进行的膝盖延伸运动,以1分钟的休息间隔进行自愿肌肉衰竭.
- 在每次试验之前,期间和之后,在炼腿部通过静脉导管进行了侵入性血液气体分析.
主要成果:
- 与LL-RT和HL-RT相比,LL-BFR-RT导致总工作量显著降低.
- 所有的运动条件都诱导了氧气部分压力,乳酸积累和电解质转移的类似降低,包括 (K+) 的增加.
- 肌酸激酶和乳酸脱酶水平在所有条件下,在运动后的24小时和48小时都同样增加.
结论:
- 当对自愿肌肉衰竭进行时,LL-BFR-RT与LL-RT或HL-RT相比不会引起显著不同的代谢,离子或电解质反应.
- LL-BFR-RT可能会导致肌肉衰竭的时间更快,但没有明显的生理变化.
- 这些发现表明,在经过测试的抵抗训练方法中,关于代谢和电解质干扰的生理安全概况相似.
更多相关视频
09:18Author Spotlight: Assessing the Reliability of Doppler Ultrasound in Measuring Leg Blood Flow
Published on: December 15, 2023
2.7K
07:26Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans
Published on: October 17, 2018
20.4K
相关概念视频
01:27Exercise and Muscle Performance
1.4K
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...
1.4K
01:20Exercise and Cardiovascular Response
750
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...
750