The effect of knee braces on knee joint kinematics at different exercise speeds.

IF 2 3区医学 Q3 ENGINEERING, BIOMEDICAL

Sports Biomechanics Pub Date : 2024-10-27 DOI:10.1080/14763141.2024.2409656

Jian Wang, Juncong Yang, Xinwei Huang, Ye Luo, Danni Wu, Xiaofan Huang, Shaobai Wang

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Abstract

This study aims to investigate the influence of a new semi-rigid knee joint braces on kinematics using the Opti-knee knee joint kinematic analysis system at various exercise speeds. Twenty-four healthy young male adults were recruited for this study. Participants were randomly assessed while wearing and not wearing knee brace at four different speeds on a treadmill: normal walking (3.6 km/h), brisk walking (5.4 km/h), jogging (9 km/h), and moderate intensity running (10.8 km/h). Six degrees of freedom kinematic data from the knee joint were collected. Paired t-tests were conducted to calculate the kinematic differences. At speeds of 3.6 km/h and 5.4 km/h, wearing the knee brace led to reduced knee joint mobility in anterior-posterior translation, superior-inferior translation, internal-external rotation, and flexion-extension angles during the stance phase (P < 0.05). At 9 km/h, wearing the brace reduced knee joint internal-external rotation and flexion-extension mobility during the stance phase (P < 0.05). At 10.8 km/h, wearing the brace reduced knee joint flexion-extension mobility during the stance phase (P < 0.05). Wearing brace has significant influence on knee kinematics at four speeds, and the effect of brace varies with the speed of movement.

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不同运动速度下护膝对膝关节运动学的影响。

本研究旨在使用 Opti-knee 膝关节运动分析系统，研究新型半刚性膝关节支架在不同运动速度下对运动学的影响。本研究招募了 24 名健康的年轻男性成年人。研究人员在跑步机上以四种不同的速度对佩戴和未佩戴膝关节护具的参与者进行了随机评估：正常步行（3.6 公里/小时）、快走（5.4 公里/小时）、慢跑（9 公里/小时）和中等强度跑步（10.8 公里/小时）。收集了膝关节的六自由度运动学数据。通过配对 t 检验来计算运动学差异。在速度为 3.6 公里/小时和 5.4 公里/小时时，穿戴护膝会降低膝关节在站立阶段的前后平移、上下平移、内外旋转和屈伸角度的活动度（P < 0.05）。时速为 9 公里时，穿戴护具会减少站立阶段膝关节的内旋-外旋和屈-伸活动度（P < 0.05）。时速为 10.8 公里时，佩戴护具降低了站立阶段膝关节的屈伸活动度（P < 0.05）。在四种速度下，佩戴护具对膝关节运动学有明显影响，护具的影响随运动速度而变化。

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

Sports Biomechanics 医学-工程：生物医学

CiteScore

5.70

自引率

9.10%

发文量

135

审稿时长

>12 weeks

期刊介绍： Sports Biomechanics is the Thomson Reuters listed scientific journal of the International Society of Biomechanics in Sports (ISBS). The journal sets out to generate knowledge to improve human performance and reduce the incidence of injury, and to communicate this knowledge to scientists, coaches, clinicians, teachers, and participants. The target performance realms include not only the conventional areas of sports and exercise, but also fundamental motor skills and other highly specialized human movements such as dance (both sport and artistic). Sports Biomechanics is unique in its emphasis on a broad biomechanical spectrum of human performance including, but not limited to, technique, skill acquisition, training, strength and conditioning, exercise, coaching, teaching, equipment, modeling and simulation, measurement, and injury prevention and rehabilitation. As well as maintaining scientific rigour, there is a strong editorial emphasis on ''reader friendliness''. By emphasising the practical implications and applications of research, the journal seeks to benefit practitioners directly. Sports Biomechanics publishes papers in four sections: Original Research, Reviews, Teaching, and Methods and Theoretical Perspectives.