Graduate Program in Rehabilitation Sciences, Federal University of Health Sciences of Porto Alegre, Porto Alegre, RS, Brazil.
Pleural Medicine Unit, Institute for Respiratory Health, Perth, WA, Australia; Grupo de Pesquisa em Exercício para Populações Clínicas (GPCLIN), Universidade de Caxias do Sul, Caxias do Sul, RS, Brazil.
Phys Ther Sport. 2023 Sep;63:95-103. doi: 10.1016/j.ptsp.2023.07.006. Epub 2023 Jul 28.
Analyze whether the effects of lower limb resistance training on pain and self-reported function were associated with the exercise volume prescribed for women with patellofemoral pain (PFP).
A systematic search was undertaken in four databases from inception to May 2023. Eligible trials examined the effects of resistance training programs on pain (visual analogue scale or numerical pain scale) and function (Anterior Knee Pain Scale) in women with PFP. Meta-analysis was undertaken with a random-effects model. The association of resistance training volume-related variables with mean difference effects on pain and function were tested by exploratory univariable meta-regression models.
From 1,404 estudies retained for screening after duplicate removals, 16 studies (579 patients) were included. Changes in knee pain were inversely associated with weekly training frequency (β = 0.5 ± 0.2, P = 0.012). No associations were found between the amount of resistance exercise prescribed per session or per week and effects on pain. Changes in function were associated with the number of sets per week (β = 0.1 ± 0.1, P = 0.044) and number of sets per session (β = 0.6 ± 0.2, P < 0.001) over the intervention. Most favorable results were achieved with 17 to 27 sets per session and >45 sets per week.
The amount of prescribed resistance exercise does not seem to be critical for pain reduction in women with PFP. However, our findings support a dose-response effect in terms of improving function.
分析下肢抗阻训练对疼痛和自我报告功能的影响是否与髌股疼痛（PFP）女性患者规定的运动量有关。
从四个数据库中进行了系统检索，检索时间从建库开始到 2023 年 5 月。合格的试验研究了抗阻训练计划对髌股疼痛女性患者的疼痛（视觉模拟量表或数字疼痛量表）和功能（前膝疼痛量表）的影响。采用随机效应模型进行荟萃分析。通过探索性单变量荟萃回归模型测试与抗阻训练量相关变量与疼痛和功能的平均差异效应的关联。
在重复去除后保留的 1,404 项研究中，有 16 项研究（579 名患者）被纳入。膝关节疼痛的变化与每周训练频率呈负相关（β=0.5±0.2，P=0.012）。每次或每周规定的抗阻运动的量与疼痛的效果之间没有关联。功能的变化与每周的组数（β=0.1±0.1，P=0.044）和每次的组数（β=0.6±0.2，P<0.001）有关。每周进行 17 到 27 组和>45 组的效果最好。
对于髌股疼痛女性患者，规定的抗阻运动的量似乎对减轻疼痛并不重要。然而，我们的发现支持在改善功能方面的剂量反应效应。
