长期的下肢力量训练在患有膝关节骨关节炎和关节对齐的成年人中是否会减少走路时的膝关节负荷?
Stephen P Messier1,2, Matthew N Vigliotti1, Paige E Rice1
1Wake Forest University, Winston-Salem, NC, USA.
Arthritis care & research
|February 16, 2026
概括
18个月的力量训练改善了膝关节骨关节炎和关节对齐的个体的肌肉力量. 然而,它并没有显著减少大多数在行走时的膝关节负荷.
科学领域:
- 生物力学 生物力学
- 整形外科 整形外科 整形外科
- 运动医学 运动医学
背景情况:
- 膝关节骨关节炎 (OA) 是一种退行性关节疾病,通常与膝关节不整齐有关.
- 中部骨关节炎常见于膝盖位对齐的个体.
- 力量训练是膝盖骨关节炎的常见干预措施,但它对不对齐膝盖的关节负荷的影响不太清楚.
研究的目的:
- 为了确定18个月的力量训练是否能减少膝关节在走路时的负荷,在膝关节关节对齐和中部骨骨关节炎的个体中.
- 为了比较力量训练组和注意力控制组之间的膝关节负荷参数.
主要方法:
- 一项随机临床试验的二次分析,该试验涉及患有膝关节骨质炎和状异位 (≥2度) 的成年人.
- 力量训练组 (N=39) 在18个月的时间里,部引器强度增加了≥20%.
- 对照组 (N=49) 接受了注意力控制.
- 线性回归与18个月后随访的组平均值进行了比较.
主要成果:
- 与对照人群相比,力量训练显著增加了四头四 (45%),腿筋 (68%) 和关节 (42%) 的强度 (16%,11%,4%).
- 两组之间在峰值膝盖绑架时刻或峰值膝盖压力方面没有发现显著差异.
- 在力量训练组 (P=0.03) 中,观察到膝关节内部延伸时刻的显著减少27%.
结论:
- 长期的下肢力量训练显著增加了老年人的肌肉力量,膝盖骨关节炎和肌对齐.
- 与注意力对照组相比,大多数行走过程中膝关节负荷的测量都没有被力量训练显著改变.
- 该研究质疑肌肉力量的临床上有意义的改善是否转化为临床上重要的膝关节负荷减轻.
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