腹部支架在举重任务期间对呼吸的影响:一个横截面研究
Martin Sembera1, Andrew Busch2, Alena Kobesova3
1Department of Rehabilitation and Sports Medicine, Second Medical Faculty, Charles University and University Hospital Motol, Prague, Czech Republic. martinsembera@gmail.com.
BMC sports science, medicine & rehabilitation
|September 15, 2023
概括
在举重任务期间,腹部支架会减少肺部体积,尽管它会增加隔膜运动. 隔膜运动与肺体积相关,即使增加了姿势负荷.
科学领域:
- 身体生理学 身体生理学
- 生物力学 生物力学
- 呼吸系统医学 呼吸系统医学
背景情况:
- 腹部支架是康复专家和体育教练用来增强脊柱稳定性的常见技术.
- 腹部支架在负载活动期间对隔膜功能的确切影响仍然不完全理解.
- 研究腹部支架,提升和腹膜呼吸功能之间的相互作用对于优化训练和康复方案至关重要.
研究的目的:
- 调查带有和没有腹部支架的举重任务对隔膜呼吸功能的影响.
- 为了比较腹膜运动和肺体积在自然负载呼吸与腹部支架负载呼吸.
- 评估压力呼吸期间隔膜运动和螺旋计的超声波测量之间的相关性.
主要方法:
- 在31名健康成年人中,M模式隔膜运动超声波与螺旋计相结合.
- 在举重任务中,参与者在两个条件下进行连续呼吸:自然负载呼吸和腹部支架负载呼吸.
- 测量了隔膜运动和肺体积,并比较了这两种呼吸条件.
主要成果:
- 在超声波和螺旋计测量中发现了强烈的相关性,用于潮,自然负载和腹部支架负载的呼吸 (r=0.709-0.795).
- 在提升过程中腹部支架导致吸入过程中更多的尾膜位置 (p<0.002),并在吸入,呼气和肺总容量结束时减少肺体积 (p<0.019).
- 自然负载呼吸也显示了更多的尾膜位置在吸气 (p<0.001) 和减少的肺体积 (p<0.001),没有显著的变化,在总肺体积 (p=0.06).
结论:
- 在举重任务期间,腹部支架显著减少了肺体积,尽管增加了腹膜运动.
- 隔膜外游显示出与肺体积的强烈相关性,即使在举起时受到姿势负荷.
- 这些发现表明,虽然腹部支架增强了腹膜外流,但在负载繁重的任务中可能会损害呼吸能力.
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