在年轻人与老年人之间,腹肌硬度,隔膜厚度和呼吸流量峰值之间的关联
Youngeun Lim1, Yerim Do1, Haneul Lee1,2
1Department of Physical Therapy, Graduate School, College of Health Science, Gachon University, Incheon, Republic of Korea.
Clinical physiology and functional imaging
|July 16, 2023
概括
年长的成年人减少了横腹部 (TrA) 硬性,影响了强迫过期. 这种与年龄相关的TrA硬度和隔膜功能的下降与年轻个体的下峰呼气流 (PEF) 相对应.
科学领域:
- 身体生理学 身体生理学
- 老年学是一门学科.
- 生物力学 生物力学
背景情况:
- 衰老与呼吸道肌肉功能的变化有关,可能会影响呼吸能力.
- 横腹部 (TrA) 在核心稳定性和强制性过期中发挥作用.
- 了解TrA硬度和隔膜功能的与年龄相关的差异对于呼吸系统健康至关重要.
研究的目的:
- 通过评估横腹部 (TrA) 刚度与峰值呼气流量 (PEF) 相比,评估强迫呼气.
- 在年轻和年长的成年人中确定TRA度和PEF之间的关系.
- 评估不同年龄段的隔膜厚度和PEF之间的关联.
主要方法:
- 剪切波弹性学被用来测量休息时和腹部支架期间的TrA肌肉性.
- B模式超声波测量了呼吸和呼气期间的隔膜厚度.
- 在31名年轻人和34名老年人中,使用螺旋计评估了峰值呼气流 (PEF).
主要成果:
- 与年轻人相比,老年人在支架时的TrA度显著低于年轻人.
- 在支架和休息之间TrA度的差异在老年人中也明显较低.
- 在支架时的TrA度与年轻成年人中的PEF正相关 (r=0.483),但在老年人中显示出弱相关性 (r=0.172).
- 在年轻的成年人中,PEF与隔膜厚度有中等相关性 (r=0.405-0.403),但在老年人中没有.
结论:
- 与年龄相关的TrA刚度和隔膜功能的下降可能会导致峰值呼气流量减少.
- 肌肉骨结构变化和肌肉纤维类型的变化可能是呼吸功能与年龄相关的变化的基础.
- 这些发现强调了核心和呼吸肌肉健康在维持整个寿命的呼吸能力方面的重要性.
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