患有杜恩肌肉衰竭的儿童在跨越障碍物时表现出特定的运动策略
Kuan-Wen Wu1,2, Cheng-Hao Yu3,4, Tse-Hua Huang4
1Department of Orthopaedic Surgery, School of Medicine, National Taiwan University, Taipei, Taiwan, ROC.
Scientific reports
|October 10, 2023
概括
患有杜恩肌肉衰竭 (DMD) 的男孩表现出改变的跨越障碍物的动力学,增加了跌倒的风险. 他们的策略涉及更宽的步骤和调整的关节运动,特别是在骨盆和干部,以弥补肌肉疲弱.
科学领域:
- 生物力学 生物力学
- 神经肌肉疾病 神经肌肉疾病
- 人类运动科学科学 人类运动科学
背景情况:
- 杜恩肌肉发育不良 (DMD) 导致肌肉逐渐疲软,增加跌倒风险,特别是在挑战性移动过程中,如越过障碍物.
- 了解DMD患者在障碍谈判期间使用的特定动力学策略对于开发有针对性的干预措施至关重要.
研究的目的:
- 研究DMD男孩在跨越不同高度的障碍物时使用的运动策略.
- 为了比较患有DMD的男孩和通常发育的对照者在穿越障碍物时的关节动力学和终点控制.
主要方法:
- 14名患有DMD的男孩和14名对照男孩跨越了三个障碍物高度 (10%,20%,30%的腿长).
- 运动捕捉测量了干部 - 骨盆 - 腿部和脚部障碍物空隙的角度运动.
- 双向ANOVA分析了群体和障碍物高度的影响.
主要成果:
- 与对照组相比,DMD组表现出增加的步骤宽度,减少的横跨速度和减少的步骤长度.
- 患有DMD的患者表现出更大的骨盆徒步旅行,前骨盆/骨干倾斜和脚脚flexion,与下降的部 flexion.
- 变化的动力学,特别是在近端段,表明在后肢阶段倒的风险更高.
结论:
- 患有DMD的个体采用独特的运动策略来穿越障碍物,其特点是改变关节运动和终点控制.
- 这些补偿策略,尤其是涉及骨盆和干部的补偿策略,可能使患有DMD的个体倾向于增加跌倒的风险.
- 监测骨盆腿部装置动力学对于评估DMD患者的跌倒风险至关重要.
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