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首页> 外文期刊>American Journal of Sports Medicine >Shoe Cushioning Influences the Running Injury Risk According to Body Mass: A Randomized Controlled Trial Involving 848 Recreational Runners
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Shoe Cushioning Influences the Running Injury Risk According to Body Mass: A Randomized Controlled Trial Involving 848 Recreational Runners

机译:鞋垫根据体重影响运行伤害风险:随机对照试验涉及848名娱乐赛道

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摘要

Background: Shoe cushioning is expected to protect runners against repetitive loading of the musculoskeletal system and therefore running-related injuries. Also, it is a common belief that heavier runners should use footwear with increased shock absorption properties to prevent injuries. Purpose: The aim of this study was to determine if shoe cushioning influences the injury risk in recreational runners and whether the association depends on the runner’s body mass. Study Design: Randomized controlled trial; Level of evidence, 1. Methods: Healthy runners (n = 848) randomly received 1 of 2 shoe prototypes that only differed in their cushioning properties. Global stiffness was 61.3 ± 2.7 and 94.9 ± 5.9 N/mm in the soft and hard versions, respectively. Participants were classified as light or heavy according to their body mass using the median as a cut-off (78.2 and 62.8 kg in male and female runners, respectively). They were followed over 6 months regarding running activity and injury (any physical complaint reducing/interrupting running activity for at least 7 days). Data were analyzed through time-to-event models with the subhazard rate ratio (SHR) and their 95% confidence interval (CI) as measures of association. A stratified analysis was conducted to investigate the effect of shoe cushioning on the injury risk in lighter and heavier runners. Results: The runners who had received the hard shoes had a higher injury risk (SHR, 1.52 [95% CI, 1.07-2.16]), while body mass was not associated with the injury risk (SHR, 1.00 [95% CI, 0.99-1.01]). However, after stratification according to body mass, results showed that lighter runners had a higher injury risk in hard shoes (SHR, 1.80 [95% CI, 1.09-2.98]) while heavier runners did not (SHR, 1.23 [95% CI, 0.75-2.03]). Conclusion: The injury risk was higher in participants running in the hard shoes compared with those using the soft shoes. However, the relative protective effect of greater shoe cushioning was found only in lighter runners. Registration: NCT03115437 (ClinicalTrials.gov identifier).
机译:背景:预计鞋垫将保护跑步者免受肌肉骨骼系统的重复载荷,从而遭受与持续的伤害。此外,较重的跑步者应该使用鞋类增加减震性能,以防止伤害的普遍认为。目的:本研究的目的是确定鞋垫是否影响娱乐器中的伤害风险以及协作是否取决于跑步者的体重。研究设计:随机对照试验;证据水平,1.方法:健康的跑步者(n = 848)随机接收的1个鞋子原型,只有在缓冲性质中不同。柔软和硬版的全局刚度分别为61.3±2.7和94.9±5.9 n / mm。根据其体重使用中位数作为截止值(分别为男性和女性跑步者78.2和62.8公斤,参与者根据其体重分类为轻盈或繁重。他们跟踪有关运行活动和伤害的6个月(任何实体投诉减少/中断运行活动至少7天)。通过具有子灰率比(SHR)的时间到事件模型来分析数据及其95%置信区间(CI)作为协会的衡量标准。进行了分层分析,以研究鞋垫对较轻较重的跑步者伤害风险的影响。结果:接受硬鞋的跑步者具有较高的伤害风险(SHR,1.52 [95%CI,1.07-2.16]),而体重与伤害风险无关(SHR,1.00 [95%CI,0.99] -1.01])。然而,在根据体重分层的情况下,结果表明,更轻的跑步者在硬鞋中具有更高的伤害风险(SHR,1.80 [95%CI,1.09-2.98]),而较重的跑步者没有(SHR,1.23 [95%CI, 0.75-2.03])。结论:与使用柔软鞋的人相比,在硬鞋中跑的参与者的伤害风险更高。然而,仅以更轻的跑步者发现了更大的鞋垫的相对保护作用。注册:NCT03115437(ClinicalTrials.gov标识符)。

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