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
概括
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.
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.
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