The Impact of Contralateral Cane Placement on the External Knee Adduction Moment

IF 1.9 4区 工程技术 Q2 Engineering
Sean-Min Lee, Hyeon-Soo Shin, Min-Jae Kim, Ju-Hee Kim, Na-Yeon Kim, Gwang-Moon Eom
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引用次数: 0

Abstract

This study investigates the impact of contralateral cane placement on the decrease in external knee adduction moment (KAM) and explores the underlying mechanisms. Ten healthy adults participated in a study to test three different lateral cane placements. The “Natural” placement corresponded to the participants’ comfortable position, while the “Wide” and “Wider” placements were 10 cm and 20 cm further laterally outward, respectively. Results from repeated measures ANOVA indicated a significant decrease in KAM peaks with more lateral cane placements (p < 0.01). This reduction was primarily due to a decreased moment arm, particularly at the second peak of KAM. The reduction in walking speed associated with more lateral cane placement had a negligible effect on KAM reduction. The decrease in the lever arm was caused by the displacement of knee joint to the medial side, which outweighed the medial rotation of the ground reaction force vector.

Abstract Image

对侧手杖位置对膝关节外展力矩的影响
本研究调查了对侧手杖放置对膝关节外展力矩(KAM)下降的影响,并探讨了其潜在机制。十名健康成年人参与了一项研究,测试了三种不同的侧向手杖放置方式。自然 "位置与参与者的舒适位置相对应,而 "宽 "和 "更宽 "位置则分别向外侧延伸 10 厘米和 20 厘米。重复测量方差分析的结果表明,手杖位置越靠外侧,KAM 峰值越明显下降(p < 0.01)。这种降低主要是由于力矩臂的减少,尤其是在 KAM 的第二个峰值。更多侧向放置手杖导致的行走速度降低对 KAM 降低的影响可以忽略不计。力臂的减少是由于膝关节向内侧移位造成的,这超过了地面反作用力矢量的内旋。
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来源期刊
CiteScore
4.10
自引率
10.50%
发文量
115
审稿时长
3-6 weeks
期刊介绍: The International Journal of Precision Engineering and Manufacturing accepts original contributions on all aspects of precision engineering and manufacturing. The journal specific focus areas include, but are not limited to: - Precision Machining Processes - Manufacturing Systems - Robotics and Automation - Machine Tools - Design and Materials - Biomechanical Engineering - Nano/Micro Technology - Rapid Prototyping and Manufacturing - Measurements and Control Surveys and reviews will also be planned in consultation with the Editorial Board.
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