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相关概念视频

Exercise and Muscle Performance01:27

Exercise 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...
1.4K
Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

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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...
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相关实验视频

Updated: Jun 21, 2025

Versatility of Protocols for Resistance Training and Assessment Using Static and Dynamic Ladders in Animal Models
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消防员的肌肉活动在消防培训计划期间发生变化.

Na Chen1, Yitong Hu1, Man Liang1

  • 1School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou, Henan Province, P.R. China.

Work (Reading, Mass.)
|July 12, 2024
PubMed
概括
此摘要是机器生成的。

消防员训练会激活特定的肌肉,胃角肌,前肌,形肌和直立脊柱显示出高活性. 这项研究有助于通过科学培训策略预防消防员受伤.

关键词:
% MVC 的使用率.一个消防员的消防员.人体工程学是什么消防员培训课程 消防员培训课程这就是iEMGG的原因.肌肉活动 肌肉活动表面电肌图 (sEMG) 是一种表面电肌图.

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Human Skeletal Muscle Biopsy Procedures Using the Modified Bergström Technique
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Human Skeletal Muscle Biopsy Procedures Using the Modified Bergström Technique

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Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
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Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People

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相关实验视频

Last Updated: Jun 21, 2025

Versatility of Protocols for Resistance Training and Assessment Using Static and Dynamic Ladders in Animal Models
08:31

Versatility of Protocols for Resistance Training and Assessment Using Static and Dynamic Ladders in Animal Models

Published on: December 17, 2021

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Human Skeletal Muscle Biopsy Procedures Using the Modified Bergström Technique
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Human Skeletal Muscle Biopsy Procedures Using the Modified Bergström Technique

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Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People

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科学领域:

  • 运动科学 运动科学 运动科学
  • 职业健康 职业健康 职业健康
  • 生物机械分析 生物机械分析

背景情况:

  • 肌肉活动研究对于减少消防员等苛刻职业的伤害至关重要.
  • 了解消防员训练对肌肉炼的影响正在引起科学兴趣.

研究的目的:

  • 在七个不同的消防训练计划中,评估九个关键肌肉的肌肉活动变化.
  • 分析不同的训练计划如何影响消防员肌肉激活模式.

主要方法:

  • 十名健康的男性消防员参与了这项研究.
  • 使用表面电肌图,包括%最大自愿收缩 (%MVC) 和集成电肌图 (iEMG),来测量肌肉活动.
  • 参与者接受了七个标准化的消防培训计划.

主要成果:

  • 胃半径 (GA) 活动在爬梯运动中最高.
  • 爬上五层楼的建筑物,负载激烈地激活了手臂,肩膀和下肢肌肉,增加了疲劳的可能性.
  • 起器脊柱 (ES) 在水射击时表现出显著的激活,肩膀,干部,大腿和小腿肌肉的博格尺度评级高.

结论:

  • 在训练后,GA,前 (TA),梯形 (TR) 和ES表现出强烈的激活和力量.
  • 电肌图发现与主观的博格尺度等级相关,验证了感知到的劳动力.
  • 这项研究为制定有针对性的伤害预防策略和优化消防员培训协议提供了有价值的数据.