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衰老对椎关节压力的影响在挑战性表面的楼梯谈判期间

Nicholas L Hunt¹, Amy E Holcomb², Clare K Fitzpatrick²

¹Department of Kinesiology, Boise State University, Boise, ID 83725, USA.

Biomechanics (Basel, Switzerland)

|October 4, 2024

概括

年长的成年人经历更高的骨关节 (PFJ) 压力在楼梯谈判,特别是在不平坦的表面. 这种增加的PFJ压力可能会增加他们患PFJ疼痛的风险.

科学领域:

生物力学生物力学
老年学是一门学科.
整形外科整形外科整形外科

背景情况:

骨关节 (PFJ) 的压力是膝盖健康的一个关键因素.
年龄和表面条件在移动过程中显著影响生物力学负荷.
了解PFJ在功能任务中的压力,如楼梯谈判,对于预防伤害至关重要.

研究的目的:

为了研究年龄和表面变异性对腿骨关节 (PFJ) 在楼梯上升和下降过程中的压力的影响.
量化年轻人和老年人之间的PFJ应力大小和波形在不同楼梯表面的差异.
确定导致老年人增加PFJ压力的生物力学因素.

主要方法:

招募了12名年轻人和12名年长的成年人,在正常的,滑滑的和不均的表面上进行楼梯上升和下降.
量化膝盖生物力学,专注于骨骨关节 (PFJ) 的应力大小和波形.
使用双向重复测量ANOVA和数据分析的统计参数映射.

主要成果:

与年轻人相比,老年人在爬楼梯时表现出更大的PFJ压力波形和整体.
不均的表面在上升过程中增加了PFJ应力,特别是在后期的立场阶段.
在下降过程中,老年人显示PFJ接触面积减少和膝盖曲的峰值;滑滑的表面改变了PFJ应力时间.

结论:

在光滑和不均的表面上进行楼梯谈判可以提高膝盖生物力学和PFJ压力.
老年人在上楼时表现出生物机械模式,导致更高的PFJ压力,可能会增加PFJ疼痛的风险.

关键词:

衰老的衰老衰老的衰老生物力学生物力学步态步态步态步态膝盖膝盖膝盖在表面是表面的表面.

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