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Article

Ground Reaction Force Differences between Bionic Shoes and Neutral Running Shoes in Recreational Male Runners before and after a 5 km Run

1
Faculty of Sports Science, Ningbo University, Ningbo 315211, China
2
School of Health and Life Sciences, University of the West of Scotland, Scotland G72 0LH, UK
3
Savaria Institute of Technology, Eötvös Loránd University, 9700 Szombathely, Hungary
4
Centre for Health and Exercise Science Research, Department of Sport, Physical Education and Health Hong Kong Baptist University, Hong Kong 999077, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Małgorzata Okrasa
Int. J. Environ. Res. Public Health 2021, 18(18), 9787; https://doi.org/10.3390/ijerph18189787
Received: 17 July 2021 / Revised: 10 September 2021 / Accepted: 11 September 2021 / Published: 17 September 2021
(This article belongs to the Special Issue Occupational Safety and Personal Protective Equipment)
Running-related injuries are common among runners. Recent studies in footwear have shown that designs of shoes can potentially affect sports performance and risk of injury. Bionic shoes combine the functions of barefoot running and foot protection and incorporate traditional unstable structures based on bionic science. The purpose of this study was to investigate ground reaction force (GRF) differences for a 5 km run and how bionic shoes affect GRFs. Sixteen male recreational runners volunteered to participate in this study and finished two 5 km running sessions (a neutral shoe session and a bionic shoe session). Two-way repeated-measures ANOVAs were performed to determine the differences in GRFs. In the analysis of the footwear conditions of runners, bionic shoes showed significant decreases in vertical impulse, peak propulsive force, propulsive impulse, and contact time, while the braking impulse and vertical instantaneous loading rate (VILR) increased significantly compared to the neutral shoes. Main effects for a 5 km run were also observed at vertical GRFs and anterior–posterior GRFs. The increases of peak vertical impact force, vertical average loading rate (VALR), VILR, peak braking force and braking impulse were observed in post-5 km running trials and a reduction in peak propulsive force and propulsive impulse. The interaction effects existed in VILR and contact time. The results suggest that bionic shoes may benefit runners with decreasing injury risk during running. The findings of the present study may help to understand the effects of footwear design during prolonged running, thereby providing valuable information for reducing the risk of running injuries. View Full-Text
Keywords: bionic science; ground reaction force; prolonged running; footwear bionic science; ground reaction force; prolonged running; footwear
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MDPI and ACS Style

Jiang, X.; Zhou, H.; Quan, W.; Hu, Q.; Baker, J.S.; Gu, Y. Ground Reaction Force Differences between Bionic Shoes and Neutral Running Shoes in Recreational Male Runners before and after a 5 km Run. Int. J. Environ. Res. Public Health 2021, 18, 9787. https://doi.org/10.3390/ijerph18189787

AMA Style

Jiang X, Zhou H, Quan W, Hu Q, Baker JS, Gu Y. Ground Reaction Force Differences between Bionic Shoes and Neutral Running Shoes in Recreational Male Runners before and after a 5 km Run. International Journal of Environmental Research and Public Health. 2021; 18(18):9787. https://doi.org/10.3390/ijerph18189787

Chicago/Turabian Style

Jiang, Xinyan, Huiyu Zhou, Wenjing Quan, Qiuli Hu, Julien S. Baker, and Yaodong Gu. 2021. "Ground Reaction Force Differences between Bionic Shoes and Neutral Running Shoes in Recreational Male Runners before and after a 5 km Run" International Journal of Environmental Research and Public Health 18, no. 18: 9787. https://doi.org/10.3390/ijerph18189787

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