Effects of mental fatigue on biomechanical characteristics and risk associated with non-contact anterior cruciate ligament injuries during landing.

IF 4.8 3区工程技术 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Frontiers in Bioengineering and Biotechnology Pub Date : 2025-05-27 eCollection Date: 2025-01-01 DOI:10.3389/fbioe.2025.1582873

Bosong Zheng, Zeyang Zhang, Zeyi Zhang, Youping Sun, Yao Xiao, Mengjie Li

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Abstract

Objective: To investigate and compare the effects of mental fatigue (MF) on biomechanical characteristics associated with non-contact anterior cruciate ligament injury (NC-ACLI) in male college students during stop-jump (SJ) and single-leg landing (SL), and whether it increases NC-ACLI risk.

Methods: MF was induced by a 45-min Stroop task and measured using the visual analogue scale for MF (VAS-MF), while motion capture, force platforms, and surface electromyography (SEMG) evaluated biomechanical variables before and after MF induction in thirty-six subjects. Kinematic, kinetic, and SEMG data were analyzed using two-factor repeated measures ANOVA and rank-based nonparametric ANOVA.

Results: Following MF induction, VAS-MF scores increased significantly. The ANOVA showed that in both maneuvers, peak vertical ground reaction force increased, while ankle dorsiflexion angle and knee flexion moment decreased. In SJ, knee flexion and internal rotation angles and internal rotation moment decreased, whereas knee abduction moment increased; these parameters did not change significantly in SL. The median frequency of biceps femoris SEMG decreased in SL but remained unchanged in SJ. No significant differences were found in hip flexion angle, knee adduction angle, or SEMG measures of rectus femoris, tibialis anterior, gastrocnemius lateral head, or biceps femoris root mean square.

Conclusion: MF partly influences NC-ACLI biomechanics and increases risk in both maneuvers-more pronounced in SJ than in SL-potentially due to MF's impact on central nervous system function, cognition, and attention. MF should be considered in NC-ACLI prevention strategies.

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精神疲劳对着陆过程中非接触性前交叉韧带损伤的生物力学特征和风险的影响。

目的：探讨和比较精神疲劳（MF）对男大学生停跳（SJ）和单腿着地（SL）时非接触性前交叉韧带损伤（NC-ACLI）生物力学特征的影响及其是否增加NC-ACLI风险。方法：采用45 min Stroop任务诱导MF，用视觉模拟量表（VAS-MF）测量MF，同时用运动捕捉、力平台和表面肌电图（SEMG）评估MF诱导前后的生物力学变量。运动学、动力学和肌电图数据采用双因素重复测量方差分析和基于秩的非参数方差分析进行分析。结果：MF诱导后VAS-MF评分明显升高。方差分析结果表明，两种动作的峰值垂直地面反力均增大，踝关节背屈角和膝关节屈曲力矩均减小。SJ组膝关节屈曲、内旋角度和内旋力矩减小，膝关节外展力矩增大；这些参数在SL中没有明显变化。在SL中，股二头肌肌电信号的中位数频率下降，但在SJ中保持不变。在髋关节屈曲角、膝关节内收角或股直肌、胫骨前肌、腓肠肌外侧头或股二头肌均方根的肌电测量中均未发现显著差异。结论：MF部分影响NC-ACLI生物力学，并增加两种动作的风险——SJ比sl更明显——可能是由于MF对中枢神经系统功能、认知和注意力的影响。在NC-ACLI预防策略中应考虑MF。

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

Frontiers in Bioengineering and Biotechnology Chemical Engineering-Bioengineering

CiteScore

8.30

自引率

5.30%

发文量

2270

审稿时长

12 weeks

期刊介绍： The translation of new discoveries in medicine to clinical routine has never been easy. During the second half of the last century, thanks to the progress in chemistry, biochemistry and pharmacology, we have seen the development and the application of a large number of drugs and devices aimed at the treatment of symptoms, blocking unwanted pathways and, in the case of infectious diseases, fighting the micro-organisms responsible. However, we are facing, today, a dramatic change in the therapeutic approach to pathologies and diseases. Indeed, the challenge of the present and the next decade is to fully restore the physiological status of the diseased organism and to completely regenerate tissue and organs when they are so seriously affected that treatments cannot be limited to the repression of symptoms or to the repair of damage. This is being made possible thanks to the major developments made in basic cell and molecular biology, including stem cell science, growth factor delivery, gene isolation and transfection, the advances in bioengineering and nanotechnology, including development of new biomaterials, biofabrication technologies and use of bioreactors, and the big improvements in diagnostic tools and imaging of cells, tissues and organs. In today`s world, an enhancement of communication between multidisciplinary experts, together with the promotion of joint projects and close collaborations among scientists, engineers, industry people, regulatory agencies and physicians are absolute requirements for the success of any attempt to develop and clinically apply a new biological therapy or an innovative device involving the collective use of biomaterials, cells and/or bioactive molecules. “Frontiers in Bioengineering and Biotechnology” aspires to be a forum for all people involved in the process by bridging the gap too often existing between a discovery in the basic sciences and its clinical application.