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跳跃着陆期间生物力学在两个不同的疲劳任务之前和之后的时间过程

Makoto Asaeda^1,2, Kazuhiko Hirata¹, Tomoya Ohnishi²

¹Division of Rehabilitation, Department of Clinical Practice and Support, Hiroshima University Hospital, 1-2-3, Kasumi, Minami-ku, Hiroshima, 734-8551, Japan.

Asia-Pacific journal of sports medicine, arthroscopy, rehabilitation and technology

|August 8, 2024

概括

肌肉疲劳会增加受伤的风险. 部疲劳任务 (HFT) 和膝盖疲劳任务 (KFT) 导致明显的生物机械变化,特别是分别在前部和部平面. 这些发现有助于制定有针对性的ACL伤害预防计划.

科学领域:

生物力学生物力学
运动医学运动医学
整形外科整形外科整形外科

背景情况:

肌肉疲劳是前十字带 (ACL) 损伤的已知危险因素.
疲劳引起的下肢生物力学变化,例如部和膝盖绑架增加,与ACL损伤机制有关.
之前的研究没有详细说明各种疲劳任务之间的具体生物力学差异或它们的时间效应.

研究的目的:

为了研究和比较下肢生物力学在不同的部和膝盖疲劳任务后的动力学和动力学变化.
为了确定部和膝关节疲劳后这些生物力学变化的持续时间.
为制定有针对性的ACL伤害预防策略提供见解.

主要方法:

22名男性参与者进行了单脚降落着陆.
使用异动力性部绑架/拉伸 (部疲劳任务 [HFT]) 和膝盖延伸/屈曲 (膝盖疲劳任务 [KFT]) 诱导疲劳.
动力学和动力学数据是在疲劳前,疲劳后立即,疲劳后5分钟,10分钟和15分钟使用3D运动分析和力板收集的. 一个双向ANOVA分析了疲劳任务和时间的影响.

主要成果:

在部疲劳任务 (HFT) 后立即,与膝盖疲劳任务 (KFT) 相比,观察到明显更大的膝盖引角度.
膝盖疲劳任务 (KFT) 导致膝盖曲时刻显著降低.
部疲劳任务 (HFT) 导致在疲劳后立即显著提高膝盖引和内部旋转时刻.

结论:

显著的生物力学变化发生,取决于部或膝盖肌肉是否疲劳,部疲劳会影响前部平面力学,膝盖疲劳会影响斜腰平面力学.
这些特定任务的生物力学变化凸显了为解决个体关节缺陷而定制的运动计划的必要性.
这些发现支持开发更有效的ACL伤害预防策略,通过考虑不同疲劳诱导活动的具体需求.

关键词:

前交叉带前交叉带生物力学生物力学疲劳任务疲劳任务

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