Arhos Elanna K, Capin Jacob J, Ito Naoaki, Snyder-Mackler Lynn
Int J Sports Phys Ther. 2020 Oct;15(5):744-754. doi: 10.26603/ijspt20200744.
Anterior cruciate ligament injuries are among the most common knee injuries. Mechanism of injury is classified as contact or non-contact. The majority of anterior cruciate ligament ruptures occur through a non-contact mechanism of injury. Non-contact anterior cruciate ligament ruptures are associated with biomechanical and neuromuscular risk factors that can predispose athletes to injuries and may impact future function. Non-contact mechanism of injury may be preceded by poor dynamic knee stability and therefore those with a non-contact mechanism of injury may be prone to poor dynamic knee stability post-operatively. Understanding how mechanism of injury affects post-operative functional recovery may have clinical implications on rehabilitation.
The purpose of this study was to determine if mechanism of injury influenced strength, functional performance, patient-reported outcome measures, and psychological outlook in athletes at four time points in the first two years following anterior cruciate ligament reconstruction.
Secondary analysis of a clinical trial.
Seventy-nine athletes underwent functional testing at enrollment after impairment resolution. Quadriceps strength, hop testing, and patient-reported outcome measures were evaluated post-operatively at enrollment, following return-to-sport training and one year and two years after anterior cruciate ligament reconstruction. Participants were dichotomized by mechanism of injury (29 contact, 50 noncontact). Independent t-tests were used to compare differences between groups.
There were no meaningful differences between contact and non-contact mechanism of injury in any variables at enrollment, post-training, one year, or two years after anterior cruciate ligament reconstruction.
Function did not differ according to mechanism of injury during late stage rehabilitation or one or two years after anterior cruciate ligament reconstruction.
III.
前交叉韧带损伤是最常见的膝关节损伤之一。损伤机制分为接触性或非接触性。大多数前交叉韧带断裂是通过非接触性损伤机制发生的。非接触性前交叉韧带断裂与生物力学和神经肌肉危险因素相关，这些因素可能使运动员易受伤，并可能影响未来功能。非接触性损伤机制之前可能存在膝关节动态稳定性差的情况，因此，那些有非接触性损伤机制的患者术后可能容易出现膝关节动态稳定性差的情况。了解损伤机制如何影响术后功能恢复可能对康复具有临床意义。
本研究的目的是确定在进行前交叉韧带重建后的头两年中的四个时间点，损伤机制是否会影响运动员的力量、功能表现、患者报告的结局指标和心理状况。
一项临床试验的二次分析。
79名运动员在损伤恢复后入组时接受功能测试。在前交叉韧带重建后入组时、恢复运动训练后以及一年和两年后，对股四头肌力量、单腿跳测试和患者报告的结局指标进行术后评估。参与者根据损伤机制进行二分法分类（29例接触性损伤，50例非接触性损伤）。使用独立t检验比较组间差异。
在前交叉韧带重建后入组时、训练后、一年或两年时，接触性和非接触性损伤机制在任何变量上均无显著差异。
在前交叉韧带重建后的后期康复期间或一年或两年后，功能不因损伤机制而异。
III级。
