A Study of Football Footwear Bending Stiffness

Fraser, Samuel; Harland, Andy R.; Smith, Paul K.; Lucas, Tim

doi:10.1016/j.proeng.2014.06.047

Cited by 10 publications

(3 citation statements)

References 9 publications

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“…The exibility of shoes were in uenced by factors such as outsole hardness, materials, and structure. Studies showed that the stiffness of the outsole material was signi cantly greater than that of the upper material, making it the primary in uencing factor on shoes exibility (FRASER et al 2014). Typically, shoes with a thinner sole had better exibility.…”

Section: Sole's Performancementioning

confidence: 99%

Decoding the Shoes of Terracotta Warriors: in terms of Restoration Technology and Functional Performance

Cha,

Zhou

2023

Preprint

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The shoes of the Terracotta Warriors holds significant historical and cultural value as an important legacy of ancient Chinese shoemaking craftsmanship. But there is a dearth of research on terracotta shoes.Therefore, this study aimed to restore the Terracotta Warrior’s shoes from the perspectives of clothing engineering and archaeology, and then to assess the critical function of the restored shoes. Finally, we would explore why the soldiers of the Qin Dynasty (221-206BC) were so successful in military.In the restoration process, we utilized AR ranging technology to conduct field investigations in museums, obtaining the basic form of the shoeof the kneeling archer figurine No.05438, and based on this, we studied its techniques and materials. Further, a quantitative analysis of the structural functionality of the Qin Dynasty shoes were carried out.Results show that: (1) The shoe soles of the Terracotta Warriors were adorned with neatly arranged circular patterns; the shoe sole was divided into three sections, with a ratio of 8:13:6 among the three sections. (2) The production technique of the shoe sole was consistent with the Thousand-layer sole (TLS), and the material used was red ramie. (3) We compared the replica shoes with two similar modern shoes and found that the replica shoes not only exhibited excellent flexibility but also demonstrated better slip resistance in wet conditions.Overall, we successfully reconstructed the shoe and evaluated their functionality using advanced archaeological techniques. Our finding unveiled notable advantages in flexibility and slip resistance in the Terracotta Warrior’s shoes, enhancing our understanding of ancient shoes. Additionally, this study also provides valuable practical experience and methodology for archaeology in restoring the ancient shoes.

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Section: Sole's Performancementioning

confidence: 99%

Decoding the Shoes of Terracotta Warriors: in terms of Restoration Technology and Functional Performance

Cha,

Zhou

2023

Preprint

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“…4,5 Moreover, other authors suggested that the upper has to be considered in the characterization of the shoe bending stiffness and thus, they proposed a test method to calculate the stiffness of the whole shoe. 6 However, multiple factors may influence the overall behavior of the shoe (i.e. sole, upper, and lace tightening).…”

Section: Introductionmentioning

confidence: 99%

Effect of outdoor footwear bending stiffness on metatarsophalangeal joint kinematics, kinetics, and energy balance during level and uphill walking

Zullo

Marcolin

Mistretta

et al. 2021

Proceedings of the Institution of Mechanical Engineers, Part P:

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In outdoor footwear, sole properties must guarantee grip with the ground and support the forefoot without altering the kinematics of the metatarsophalangeal joints (MPJ). The present study aimed to implement an objective measure of shoe bending stiffness and investigate the effect of shoes with different bending stiffness on MPJ kinematics, kinetics, and energy balance during walking. The bending stiffness of four shoes was calculated using a customized flexometer. Then, the influence of each footwear on MPJ biomechanics during level and uphill walking was investigated with a motion capture system and a force plate on 10 healthy subjects. Results showed that MPJ peak dorsiflexion angle, stiffness, and energy balance were affected both by shoe bending stiffness ( p<0.001) and walking slope ( p<0.001). The findings of the study, which quantify the influence of shoe stiffness on MPJ biomechanics, will be helpful in the design of outdoor footwear.

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“…The bending stiffness of the bottom plate is one of the important functional properties of the shoe [2]. Several studies have investigated the relationship between the bending stiffness of the boot and performance [3,4].…”

Section: Introductionmentioning

confidence: 99%

Non-Parametric Shape Optimization of a Football Boot Bottom Plate

Lee

Harland

Roberts

2020

The 13th Conference of the International Sports Engineering Association

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This paper describes the non-parametric shape optimization process for a football boot bottom plate. The non-parametric shape optimization process changes the nodes’ location of a model and outputs an optimum shape, which satisfies an optimization objective. The methodology presented in this study was able to change the shape of the football boot bottom plate, especially the dimensions of key features, to achieve four different target bending stiffnesses. Tosca Structure sensitivity-based shape optimization was used to perform the optimization process and output optimum bottom plates. Future research is needed to investigate the accuracy of the process in comparison with that of the previously developed parametric optimization process.

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A Study of Football Footwear Bending Stiffness

Cited by 10 publications

References 9 publications

Decoding the Shoes of Terracotta Warriors: in terms of Restoration Technology and Functional Performance

Decoding the Shoes of Terracotta Warriors: in terms of Restoration Technology and Functional Performance

Effect of outdoor footwear bending stiffness on metatarsophalangeal joint kinematics, kinetics, and energy balance during level and uphill walking

Non-Parametric Shape Optimization of a Football Boot Bottom Plate

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