使用回声强度和GLCM纹理特征,识别两腕长头和短头之间的EIMD水平差异
Hyeon-Deok Jo1, Maeng-Kyu Kim1
1Kyungpook National University.
Research quarterly for exercise and sport
|September 12, 2023
概括
运动诱导的肌肉损伤 (EIMD) 在双肩头之间有所不同. 灰度共发生矩阵 (GLCM) 纹理分析揭示了回声强度 (EI) 无法检测到的肌肉变化,为肌肉质量提供了新的见解.
科学领域:
- 运动医学 运动医学
- 生物医学工程 生物医学工程
- 肌肉生理学 肌肉生理学
背景情况:
- 运动诱导的肌肉损伤 (EIMD) 是艰苦的体力活动的常见结果.
- 评估EIMD通常涉及间接措施和成像技术,如超声波.
- 双臂肌由不同的头部 (长和短) 组成,它们可能对机械应力有不同的反应.
研究的目的:
- 为了比较两腕长头 (LHB) 和两腕短头 (SHB) 之间的EIMD的时间变化.
- 评估回声强度 (EI) 和灰色水平共发生矩阵 (GLCM) 纹理参数在检测EIMD中的有效性.
- 调查LHB和SHB对异常运动的不同反应.
主要方法:
- 参与者进行了30次最大的偏心肘曲器收缩.
- 超声波B模式成像用于评估LHB和SHB的EI和GLCM纹理特征.
- 运动前后 (24,48,72,96小时) 测量肌肉损伤指标 (周长,ROM,疼痛,MVIC).
主要成果:
- 所有肌肉损伤指标都显示了运动后的显著变化 (p < 0.01).
- 在LHB (p < 0.01) 中,EI显著增加,但在SHB中没有 (p > 0.05).
- GLCM参数 (同质性,能量,) 在SHB中显示出显著的变化 (p < 0.01),与LHB不同.
结论:
- 在同一肌肉群内,EIMD的严重程度在LHB和SHB之间有所不同.
- 与EI相比,GLCM分析提供了明显的肌肉反应时间模式,特别是在SHB.
- GLCM纹理参数为肌肉质量提供了有价值的信息,即使EI在运动后没有显著变化.
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