Relationship Between Single-Leg Vertical Jump and Drop Jump Performance, and Return to Sports After Primary Anterior Cruciate Ligament Reconstruction Using Hamstring Graft.

IF 1.6 Q3 SPORT SCIENCES
International Journal of Sports Physical Therapy Pub Date : 2024-10-01 eCollection Date: 2024-01-01 DOI:10.26603/001c.123479
Shunsuke Ohji, Junya Aizawa, Kenji Hirohata, Takehiro Ohmi, Tomoko Kawasaki, Hideyuki Koga, Kazuyoshi Yagishita
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Abstract

Background: After anterior cruciate ligament reconstruction (ACLR), asymmetry is likely to persist in single-leg (SL) vertical jump and drop jump performance than in SL hop distance. However, its relationship with the return to sport (RTS) remains unclear.

Hypothesis/purpose: This study aimed to determine the association between vertical jump performance after primary ACLR using hamstring tendon autograft and RTS at a pre-injury competitive level.

Study design: Cross-sectional study.

Methods: Patients who underwent primary ACLR using hamstring tendon autograft were recruited for this study. Participants who returned to pre-injury competition after ACLR were recruited at least eight months postoperatively. Knee condition was assessed, including joint laxity, range of motion, muscle strength, and knee pain intensity during sports activities. Performance variables were also assessed, including SL hop distance, jump height in SL vertical jump, and reactive strength index (RSI; jump height/contact time) in SL drop jump. Participants were asked to subjectively report whether they had returned to the same level of competition as pre-injury and their perceived sport performance intensity. Those who answered "Yes" to the dichotomous question and had a postoperative subjective athletic performance of > 80% were categorized into the Yes-RTS group. The primary outcome was the ability to achieve RTS at the preinjury level.

Results: Sixty-five patients (female, 35; male, 30) at 13.0 (13.0) [median (interquartile)] months after ACLR participated in this study. Thirty-nine (60%) were assigned to the Yes-RTS group. Regarding knee conditions, the No-RTS group had a significantly higher knee pain intensity, as assessed using a numerical rating scale (p<0.001, effect size -0.45). In the performance tests, the No-RTS group exhibited a significantly lower limb symmetry index of RSI during the SL drop jump compared to the Yes-RTS group (p=0.002, effect size 0.81).

Conclusion: Patients unable to achieve RTS after primary ACLR using hamstring grafts are more likely to exhibit asymmetric performance during the SL drop jump test, suggesting the significance of assessing jump symmetry when evaluating post-ACLR rehabilitation success.

Level of evidence: 3c.

使用腘绳肌移植进行原发性前十字韧带重建术后,单腿垂直跳高和落跳成绩与恢复运动能力之间的关系。
背景:前交叉韧带重建(ACLR)后,单腿(SL)立定跳远和下蹲跳远成绩的不对称可能会持续存在,而单腿跳远距离的不对称则会持续存在。假设/目的:本研究旨在确定使用腘绳肌腱自体移植进行初级前交叉韧带重建术后的垂直跳跃成绩与受伤前竞技水平的 RTS 之间的关系:研究设计:横断面研究:本研究招募了使用腘绳肌腱自体移植进行初级 ACLR 的患者。招募在前交叉韧带置换术后至少八个月恢复到受伤前竞技水平的参与者。对膝关节状况进行了评估,包括关节松弛度、活动范围、肌肉力量和运动时膝关节疼痛的强度。此外,还对运动表现变量进行了评估,包括单杠跳远距离、单杠纵跳高度和单杠落跳的反应力量指数(RSI;起跳高度/接触时间)。参与者被要求主观报告他们是否已恢复到受伤前的竞技水平以及他们认为的运动表现强度。对二分法问题回答 "是 "且术后主观运动表现大于 80% 的参与者被归入是-RTS 组。主要结果是达到受伤前水平的 RTS 能力:65名患者(女性,35人;男性,30人)在前交叉韧带置换术后13.0(13.0)[中位数(四分位间)]个月参加了这项研究。39人(60%)被分配到Yes-RTS组。在膝关节状况方面,根据数字评分量表评估,No-RTS 组患者的膝关节疼痛强度明显更高(p 结论:使用腘绳肌移植物进行初级前交叉韧带修复术后无法达到RTS的患者更有可能在SL下蹲跳跃测试中表现出不对称,这表明在评估前交叉韧带修复术后康复成功率时,评估跳跃对称性具有重要意义:3c.
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
2.50
自引率
5.90%
发文量
124
审稿时长
16 weeks
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