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首页> 外文期刊>Journal of athletic training >Countermovement Jump and Isokinetic Dynamometry as Measures of Rehabilitation Status After Anterior Cruciate Ligament Reconstruction
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Countermovement Jump and Isokinetic Dynamometry as Measures of Rehabilitation Status After Anterior Cruciate Ligament Reconstruction

机译：逆行跳跃和等速测功作为前交叉韧带重建后康复状态的量度

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Context: Despite an increase in the literature, few definitive guidelines are available to determine when an athlete has been fully rehabilitated after anterior cruciate ligament reconstruction (ACLR). Objective: To examine countermovement jump and isokinetic dynamometry measures to (1) identify which measures can best distinguish between ACLR and control participants and (2) provide normative values for identified measures in young adult male multidirectional field-sport athletes. Design: Cross-sectional study. Setting: Orthopaedic hospital. Patients or Other Participants: Young adult male multidirectional field-sport athletes (n = 118) who had undergone unilateral patellar-tendon graft ACLR at least 6 months earlier and healthy male participants (n = 44) with no previous knee injury. Intervention(s): Single-legged countermovement jump (SL CMJ). Main Outcome Measure(s): Three-dimensional biomechanical analysis of the SL CMJ and mean peak concentric knee-extension and -flexion torque using isokinetic dynamometry (ISO) were compared in the 2 groups. A stepwise logistic regression was carried out to identify the best predictors of ACLR- or control-group membership (SL CMJ height, limb symmetry index, peak power, joint power contribution, ISO peak torque, limb symmetry index variables). Results: The control group differed strongly from the ACLR group in isokinetic knee-extension peak torque (d = –1.33), SL CMJ performance (d 0.4), and limb symmetry measures in both ISO and jump outcomes (d 1.1). The combination of measures from both ISO and SL CMJ identified group membership with an accuracy of 89%. Conclusions: Rehabilitation of ACLR patients may be complete when they achieve isokinetic knee-extension peak torque of 260% (±40%) body mass, SL CMJ performance of 17 cm (±4 cm), and reach-limb symmetry measures of 90% in both strength and jump outcomes. The outcomes in the control group can inform return-to-play criteria for young adult male multidirectional field-sport athletes after ACLR.
机译：背景：尽管文献增加，但几乎没有确定的指导方针来确定运动员在前十字韧带重建术（ACLR）后何时完全康复。目的：研究反向运动跳跃和等速测功方法，以（1）确定哪些方法可以最好地区分ACLR和控制参与者，以及（2）为年轻成年男性多方向野外运动运动员的确定方法提供标准值。设计：横断面研究。地点：骨科医院。患者或其他参与者：至少在6个月前接受单侧pa骨腱移植ACLR的年轻成年男性多方向野外运动运动员（n = 118）和健康的男性参与者（n = 44）且先前没有膝盖受伤。干预：单腿反向运动跳跃（SL CMJ）。主要观察指标：比较了2组的SL CMJ的三维生物力学分析以及同峰平均同心膝伸和屈伸扭矩。进行了逐步逻辑回归分析，以确定ACLR组或对照组成员的最佳预测指标（SL CMJ身高，肢体对称指数，峰值功率，关节力量贡献，ISO峰值扭矩，肢体对称指数变量）。结果：对照组与ACLR组的等速膝伸峰值扭矩（d = –1.33），SL CMJ表现（d> 0.4）和ISO和跳跃结果的肢体对称性指标（d> 1.1）有很大不同。 ISO和SL CMJ的措施相结合，识别出组成员身份的准确性为89％。结论：当ACLR患者达到等速膝伸峰值扭矩为260％（±40％）体重，SL CMJ性能> 17 cm（±4 cm）且达到下肢对称性措施>时，其康复可能已完成。力量和跳跃成绩均达到90％。对照组的结果可以为ACLR后年轻成年男性多方向田径运动员的重返比赛标准提供依据。

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