青年前交叉韧带重建术患者恢复运动时膝关节外展力矩与下肢加速度的关系

IF 1.4 3区医学 Q4 ENGINEERING, BIOMEDICAL

Clinical Biomechanics Pub Date : 2025-03-02 DOI:10.1016/j.clinbiomech.2025.106485

Lauren Butler , Hannah L. Olander , Ashley Erdman , Sophia Ulman

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引用次数: 0

摘要

背景：前交叉韧带重建后的二次损伤率很高，因此需要在恢复运动之前识别损伤危险因素的工具。膝关节外展力矩是前交叉韧带损伤的预测因子，但需要进入运动实验室收集，因此降低了临床可行性。惯性测量单元是一种高效、低成本的解决方案。然而，从惯性测量单位得出的线加速度与青年运动员前交叉韧带重建后膝关节外展力矩之间的关系尚未得到探讨。因此，本研究的目的是评估青年运动员前交叉韧带重建后运动任务中下肢段加速度（由无线惯性测量单元获得）与膝关节外展力矩之间的关系。方法34例患者，男性12例，年龄15.0±2.5岁，均为前交叉韧带重建术后10.1±1.9个月。参与者完成了单腿跳、跑植物和45°跑切任务。使用光学运动捕捉和力板收集膝关节外展力矩峰值，使用惯性测量单元收集下肢三轴加速度峰值。研究发现，在所有运动任务中，大腿和小腿的线性加速度和膝关节外展力矩之间存在适度的相关性。观察到的四肢之间的线加速度差异也被确定。这些研究结果支持使用线性加速度，来源于无线惯性测量单元，以补充前交叉韧带重建后青年运动员运动任务中高膝关节外翻力矩的检测策略。

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Relationship of knee abduction moment to lower extremity segment accelerations during sport-specific movements in youth anterior cruciate ligament reconstruction patients at return-to-play

Background

Second injury rates after anterior cruciate ligament reconstruction are high, necessitating tools to identify injury risk factors prior to return to sport. Knee abduction moments are a predictor of anterior cruciate ligament injury but require access to a motion laboratory to collect, thus reducing clinical feasibility. Inertial measurement units have been explored as an efficient, lower cost solution. However, the relationship between linear acceleration, derived from inertial measurement units, and knee abduction moments have not been explored in youth athletes after anterior cruciate ligament reconstruction. Therefore, the purpose of this study is to assess the relationship between lower extremity segment acceleration, derived from wireless inertial measurement units, and knee abduction moment during athletic tasks in youth athletes after anterior cruciate ligament reconstruction.

Methods

Thirty-four participants (12 male, 15.0 ± 2.5 years) who were 10.1 ± 1.9 months post-anterior cruciate ligament reconstruction participated in the study. Participants performed a single leg hop, a run plant, and a 45° run cut task. Peak knee abduction moment was collected using optical motion capture and force plates while peak triaxial acceleration was collected for the lower extremity using inertial measurement units.

Findings

Moderate correlations were observed for thigh and shank linear acceleration and knee abduction moment across all athletic tasks. Observed differences in linear acceleration between limbs were also identified.

Interpretation

These findings support the use of linear acceleration, derived from wireless inertial measurement units, to supplement detection strategies of high knee abduction moment during athletic tasks in youth athletes after anterior cruciate ligament reconstruction.

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来源期刊

Clinical Biomechanics 医学-工程：生物医学

CiteScore

3.30

自引率

5.60%

发文量

189

审稿时长

12.3 weeks

期刊介绍： Clinical Biomechanics is an international multidisciplinary journal of biomechanics with a focus on medical and clinical applications of new knowledge in the field. The science of biomechanics helps explain the causes of cell, tissue, organ and body system disorders, and supports clinicians in the diagnosis, prognosis and evaluation of treatment methods and technologies. Clinical Biomechanics aims to strengthen the links between laboratory and clinic by publishing cutting-edge biomechanics research which helps to explain the causes of injury and disease, and which provides evidence contributing to improved clinical management. A rigorous peer review system is employed and every attempt is made to process and publish top-quality papers promptly. Clinical Biomechanics explores all facets of body system, organ, tissue and cell biomechanics, with an emphasis on medical and clinical applications of the basic science aspects. The role of basic science is therefore recognized in a medical or clinical context. The readership of the journal closely reflects its multi-disciplinary contents, being a balance of scientists, engineers and clinicians. The contents are in the form of research papers, brief reports, review papers and correspondence, whilst special interest issues and supplements are published from time to time. Disciplines covered include biomechanics and mechanobiology at all scales, bioengineering and use of tissue engineering and biomaterials for clinical applications, biophysics, as well as biomechanical aspects of medical robotics, ergonomics, physical and occupational therapeutics and rehabilitation.