在全膝关节整形术后,在上坡行走期间,跨肢膝关节负荷不对称性是否在整个姿势中持续存在?
Tanner Thorsen1, Chen Wen2, Jared Porter2
1School of Kinesiology and Nutrition, The University of Southern Mississippi, Hattiesburg, MS 39406, USA.
概括
上坡行走增加了膝关节的力量,但在全膝关节整形术 (TKA) 患者中平衡了四肢负荷. 这表明,上坡行走可能会改善TKA后的后链强度和膝盖控制.
科学领域:
- 生物力学 生物力学
- 整形外科 整形外科 整形外科
- 肌肉骨系统的建模
背景情况:
- 膝关节整形术 (TKA) 旨在恢复功能,但可以改变步态生物力学.
- 了解关节力量和肌肉激活对于优化TKA结果和康复至关重要.
研究的目的:
- 在TKA患者的水平和上坡行走过程中,比较替换和非替换四肢之间的骨骨关节压力 (总,中间,侧面) 和肌肉力.
- 调查行走倾斜对膝盖生物力学和肌肉招募模式的影响.
主要方法:
- 利用肌肉骨模型和静态优化来分析25名TKA患者的步态.
- 测量的总 (TCF),中间 (MCF) 和侧面 (LCF) 骨关节压力和肌肉力.
- 使用统计参数映射 (SPM) 进行重复测量ANOVA对力数据.
主要成果:
- 与平面行走相比,向上行走显著增加了跨姿势阶段的TCF,MCF和LCF.
- 在两种行走条件下,在替换和非替换四肢之间没有发现压力或肌肉力量的显著差异.
- 在平行行走时,膝盖延伸力在立场的早期是较高的,而膝盖曲力在负载响应和推开时是较高的.
结论:
- 在TKA患者中,上坡行走可能会促进更平衡的四肢负荷.
- 患有TKA的患者依靠腿筋来控制晚期的膝盖,支持上坡行走作为对后链强度有益的炼.
- 研究结果表明,有针对性的运动有可能改善TKA后的功能结果.
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