勃起器脊柱和多肌肉对慢性阻塞性肺部疾病患者身体表现的不同特性
Kyosuke Imashiro1,2, Masanori Nakanishi3, Yuta Minoshima1,2
1Division of Rehabilitation, Wakayama Medical University Hospital, Wakayama, 641-8510, Japan.
在慢性阻塞性肺病 (COPD) 中,多肌 (MM) 与身体活动和疲劳有关,而勃起脊柱肌 (ESM) 与久坐行为有关. 这些发现凸显了COPD患者的不同肌肉作用.
科学领域:
- 肺部医学 肺部医学
- 肌肉骨生理学 肌肉骨生理学
- 运动科学 运动科学
背景情况:
- 背部肌肉群 (DMG) 的肌肉缩与COPD患者的体力活动 (PA) 有关.
- 之前的研究没有区分勃起脊柱肌 (ESM) 和多肌 (MM) 在DMG内对PA的作用.
研究的目的:
- 在稳定的COPD患者中研究ESM和MM的独特肌肉特征.
- 为了比较ESM和MM的功能作用与身体活动和肌肉疲劳在COPD的关系.
主要方法:
- 研究1:通过CT扫描和PA参数评估ESM和MM截面面积 (CSA) 之间的关系.
- 研究2:分析ESM和MM的肌肉疲劳特征,使用干部持有测试和EMG中位频率 (MF) 斜率分析.
- 在COPD患者和健康受试者之间比较MF斜率.
主要成果:
- MM CSA与中度至强度的PA持续时间 (≥3.0METs) 呈正相关性.
- ESM CSA与久坐行为持续时间 (1.0-1.5 METs) 有负相关性.
- 与对照组相比,MM在COPD患者中显示出明显更大的疲劳 (较低的MF斜率);ESM显示没有显著差异.
结论:
- 在COPD患者中,ESM和MM表现出不同的功能特征.
- 毫米与中度至强度的PA相关,并且在COPD中表现出增加的疲劳.
- ESM主要与COPD患者的久坐行为有关.
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