Objectives To determine the rates, severity and burden of knee injuries in professional male rugby union from the English Premiership. Methods Injury and exposure data were captured over 20 seasons using a prospective cohort design. Knee injury incidence, days’ absence and burden were recorded for each injury type and by pitch surface type for match and training. Results The rate of knee injury in matches was 9.8/1000 hours (95% CIs 9.3–10.3). Mean days lost were 50 (95% CI 46 to 53) in matches and 51 (95% CI 44 to 57) in training. In matches, medial collateral ligament injuries were the most common, while anterior cruciate ligament (ACL) injuries had the highest mean severity and burden. There was no significant change in the count of knee injuries over time; however, average severity increased significantly (annual change: 2.18 days (95% CI 1.60 to 2.77); p<0.001). The incidence of match knee injury was 44% higher on artificial pitches than grass pitches (incidence rate ratio: 1.44 (95% CI 1.21 to 1.69); p<0.01), with no significant difference in severity between surfaces. In matches, the tackle was the event most commonly associated with knee injuries for all diagnoses, except ACL injuries (running). In training, running was a more common injury event than the tackle. Conclusion Knee injuries in matches are common and severe in English professional men’s rugby union. Despite an increased focus on player conditioning and injury prevention throughout the study period, rates of knee injury remained stable, and resulting days’ absence increased. New strategies for the prevention of knee injuries should be considered a priority. All data relevant to the study are included in the article or uploaded as supplementary information. All publicly available data are included in the article or uploaded as online supplemental information. Furthermore, detail of all injury types are published annually as reports for the Professional Rugby Injury Surveillance Project.

中文翻译：

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对英格兰超级联赛职业男子橄榄球联盟膝伤的 20 年分析显示，膝伤率和负担都很高


目的 确定英超职业男子橄榄球联盟膝关节损伤的发生率、严重程度和负担。方法 使用前瞻性队列设计捕获 20 个赛季的伤害和暴露数据。记录了每种损伤类型的膝关节损伤发生率、缺勤天数和负担，并按比赛和训练的球场表面类型记录了膝关节损伤发生率、缺勤天数和负担。结果 比赛中膝关节受伤率为 9.8/1000 小时 （95% CI 9.3-10.3）。比赛的平均损失天数为 50 （95% CI 46 至 53），训练中的平均损失天数为 51 （95% CI 44 至 57）。在比赛中，内侧副韧带损伤最常见，而前交叉韧带 （ACL） 损伤的平均严重程度和负担最高。膝关节损伤计数随时间没有显着变化;然而，平均严重程度显著增加（年度变化：2.18 天 （95% CI 1.60 至 2.77）;p<0.001）。人造球场上比赛膝关节损伤的发生率比草地球场高 44%（发生率比：1.44 （95% CI 1.21 至 1.69）;p<0.01），表面之间的严重程度没有显著差异。在比赛中，铲球是所有诊断中最常与膝关节受伤相关的事件，除了 ACL 损伤（跑步）。在训练中，跑步是比铲球更常见的受伤事件。结论 比赛中膝盖受伤在英国职业男子橄榄球联盟中很常见且严重。尽管在整个研究期间更加关注球员的体能和受伤预防，但膝关节受伤率保持稳定，因此缺勤天数增加。应优先考虑预防膝关节损伤的新策略。与研究相关的所有数据都包含在文章中或作为补充信息上传。 所有公开可用的数据都包含在文章中或作为在线补充信息上传。此外，所有伤害类型的详细信息每年都会作为职业橄榄球伤害监测项目的报告发布。