Effects of selected features of advanced footwear technology on lower limb joint work.

IF 2 3区 医学 Q3 ENGINEERING, BIOMEDICAL
Ashna Ghanbari, Jordyn Vienneau, Sandro R Nigg, Benno M Nigg
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引用次数: 0

Abstract

The objective of this study was to isolate the effects of two key components of Advanced Footwear Technology, the curved carbon fibre plate and the midsole material, on lower-limb joint work. Sixteen male recreational runners ran overground at a speed of 3.9 (±5%) metres per second in three shoe conditions: a standard Nike Vaporfly 4% (Original VP4), a modified version without the curved carbon fibre plate (No Plate) and a version with the PEBA midsole material replaced with EVA foam (EVA). Motion capture and force platform data were recorded to determine positive and negative metatarsophalangeal, ankle, knee, and hip joint work, and positive and negative foot + footwear work across the different conditions. Removing the carbon fibre plate significantly increased negative work at the metatarsophalangeal joint and positive work at the ankle. Replacing PEBA with EVA significantly reduced positive foot + footwear work. The findings of this study highlighted a group effect of the curved carbon fibre plate, which redistributed positive lower-limb joint work from the ankle to the metatarsophalangeal joint. Conversely, the results highlighted subject-specific differences in response to the midsole material, emphasising the importance of considering individual variability in footwear design elements to optimise athletic performance.

先进鞋类技术对下肢关节工作的影响。
本研究的目的是分离先进鞋类技术的两个关键组成部分,弯曲碳纤维板和中底材料对下肢关节工作的影响。16名男性休闲跑步者穿着三种鞋子,以每秒3.9(±5%)米的速度在地面上跑步:标准的Nike Vaporfly 4%(原始VP4),没有弯曲碳纤维板的改良版(No plate)和用EVA泡沫代替PEBA中底材料的版本(EVA)。记录运动捕捉和力平台数据,以确定不同条件下跖趾、踝关节、膝关节和髋关节的阳性和阴性工作,以及足+鞋类的阳性和阴性工作。移除碳纤维钢板显著增加了跖趾关节的负功和踝关节的正功。用EVA代替PEBA显著减少了正足+鞋的工作。这项研究的结果强调了弯曲碳纤维板的群体效应,它将积极的下肢关节工作从脚踝重新分配到跖趾关节。相反,研究结果强调了受试者对中底材料的反应差异,强调了考虑鞋类设计元素的个体可变性以优化运动表现的重要性。
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来源期刊
Sports Biomechanics
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.
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