前和足部的T2*差异变化:运动类型和感知到的劳动力的影响
Shuhei Shibukawa1, Daisuke Yoshimaru2, Yoshinori Hiyama3
1Department of Radiological Technology, Faculty of Health Science, Juntendo University, Tokyo, Japan; Department of Radiology, Tokyo Medical University, Tokyo, Japan; Center for Evolutionary Cognitive Sciences, Graduate School of Art and Sciences, The University of Tokyo, Tokyo, Japan.
Journal of biomechanics
|November 23, 2024
概括
背部曲运动显著影响前肌T2*值,表明代谢变化,与脚部曲不同.
科学领域:
- 运动生理学 运动生理学
- 肌肉生理学 肌肉生理学
- 生物医学成像技术 生物医学成像技术
背景情况:
- 优化训练需要了解肌肉对运动的反应.
- 反映水分含量和代谢状态的肌肉T2*值可以表明运动引起的变化.
- 评估肌肉功能需要运动特定的评估方法.
研究的目的:
- 为了研究背部曲和脚部曲运动对前肌 (TA) 和足底肌 (SOL) 的T2*值的影响.
- 探索T2*变化与肌肉横截面积 (MCA),力量和感知力的关系.
- 为了比较TA和SOL肌肉对不同运动类型的代谢反应.
主要方法:
- 40名参与者接受了背部曲或脚部曲方案.
- 使用1.5TMRI运动前和运动后测量T2*值.
- 肌肉横截面积 (MCA),力量和感知到的劳动力 (博格尺度) 也被评估.
主要成果:
- 背部屈曲显著增加了TA T2*值,在运动后达到峰值.
- 脚部曲导致SOL肌肉的T2*变化最小.
- T2*变化与背部屈曲期间感知到的劳动相关,但与强度或MCA无关.
结论:
- 背部屈曲会在前带引起更大的代谢障碍,而不是足部屈曲会在足部引起更大的代谢障碍.
- 感知到的劳动力是肌肉对背部屈曲运动反应的相关指标.
- 运动特异性评估对于了解肌肉功能和优化训练至关重要.
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