{"title":"Hop distance to body height ratio outperforms limb symmetry index in predicting second anterior cruciate ligament injury.","authors":"Mohammad Rahimi Khoygani, Hamed Esmaeili","doi":"10.1002/ksa.12405","DOIUrl":null,"url":null,"abstract":"<p><strong>Purpose: </strong>The ability of current return-to-sport (RTS) tests to predict second anterior cruciate ligament (ACL) injuries (ACLI) in athletes with a history of ACL reconstruction (ACLR) is unclear. This study aimed to prospectively assess the risk of a second ACLI by identifying the most significant deviation in hop test results in professional athletes after ACLR compared to healthy peers.</p><p><strong>Methods: </strong>A total of 30 professional athletes with a history of ACLR and 30 healthy professional athletes participated in this study. Participants performed 10 functional hop tests, and the subsequent limb symmetry index (LSI) was compared between the groups. After a 3-year follow-up, the re-injury rate was assessed among the ACLR group. Fourteen ACLR athletes who sustained a second ACLI were included and matched with 14 controls from the healthy group. The LSI and the hop distance to body height percentage (D/H) were compared between the groups.</p><p><strong>Results: </strong>Statistical analyses confirmed a significant decrease in LSI in the ACLR group compared to the healthy group in the triple hop for distance (p = .023). In re-injured ACLR athletes, seven different hop tests showed a significant decrease in the D/H index compared to the healthy controls. Meanwhile, for LSI, only the triple cross-over hop for distance (p = .045) showed a significant increase in the healthy group.</p><p><strong>Conclusion: </strong>Before clearing athletes for RTS, assessing functional hop test results using the hop distance to body height ratio, aligned with normative data from healthy controls, could further enhance the prediction of reduced graft rupture risk.</p><p><strong>Level of evidence: </strong>Level I.</p>","PeriodicalId":17880,"journal":{"name":"Knee Surgery, Sports Traumatology, Arthroscopy","volume":null,"pages":null},"PeriodicalIF":3.3000,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Knee Surgery, Sports Traumatology, Arthroscopy","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1002/ksa.12405","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ORTHOPEDICS","Score":null,"Total":0}
引用次数: 0
Abstract
Purpose: The ability of current return-to-sport (RTS) tests to predict second anterior cruciate ligament (ACL) injuries (ACLI) in athletes with a history of ACL reconstruction (ACLR) is unclear. This study aimed to prospectively assess the risk of a second ACLI by identifying the most significant deviation in hop test results in professional athletes after ACLR compared to healthy peers.
Methods: A total of 30 professional athletes with a history of ACLR and 30 healthy professional athletes participated in this study. Participants performed 10 functional hop tests, and the subsequent limb symmetry index (LSI) was compared between the groups. After a 3-year follow-up, the re-injury rate was assessed among the ACLR group. Fourteen ACLR athletes who sustained a second ACLI were included and matched with 14 controls from the healthy group. The LSI and the hop distance to body height percentage (D/H) were compared between the groups.
Results: Statistical analyses confirmed a significant decrease in LSI in the ACLR group compared to the healthy group in the triple hop for distance (p = .023). In re-injured ACLR athletes, seven different hop tests showed a significant decrease in the D/H index compared to the healthy controls. Meanwhile, for LSI, only the triple cross-over hop for distance (p = .045) showed a significant increase in the healthy group.
Conclusion: Before clearing athletes for RTS, assessing functional hop test results using the hop distance to body height ratio, aligned with normative data from healthy controls, could further enhance the prediction of reduced graft rupture risk.
期刊介绍：
Few other areas of orthopedic surgery and traumatology have undergone such a dramatic evolution in the last 10 years as knee surgery, arthroscopy and sports traumatology. Ranked among the top 33% of journals in both Orthopedics and Sports Sciences, the goal of this European journal is to publish papers about innovative knee surgery, sports trauma surgery and arthroscopy. Each issue features a series of peer-reviewed articles that deal with diagnosis and management and with basic research. Each issue also contains at least one review article about an important clinical problem. Case presentations or short notes about technical innovations are also accepted for publication.
The articles cover all aspects of knee surgery and all types of sports trauma; in addition, epidemiology, diagnosis, treatment and prevention, and all types of arthroscopy (not only the knee but also the shoulder, elbow, wrist, hip, ankle, etc.) are addressed. Articles on new diagnostic techniques such as MRI and ultrasound and high-quality articles about the biomechanics of joints, muscles and tendons are included. Although this is largely a clinical journal, it is also open to basic research with clinical relevance.
Because the journal is supported by a distinguished European Editorial Board, assisted by an international Advisory Board, you can be assured that the journal maintains the highest standards.
Official Clinical Journal of the European Society of Sports Traumatology, Knee Surgery and Arthroscopy (ESSKA).
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