IMR Press / JOMH / Volume 18 / Issue 5 / DOI: 10.31083/j.jomh1805105
Open Access Original Research
Plantar loads characteristics of male non-rearfoot strikers running on different overground surfaces at preferred speed
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1 Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai University of Sport, 200438 Shanghai, China
2 Department of Rehabilitation Science, School of Health, Shanghai Normal University Tianhua College, 201815 Shanghai, China
*Correspondence: wanglin@sus.edu.cn (Lin Wang); zhangzhiwang@sus.edu.cn (Zhiwang Zhang)
These authors contributed equally.
J. Mens. Health 2022, 18(5), 105; https://doi.org/10.31083/j.jomh1805105
Submitted: 4 August 2021 | Accepted: 23 September 2021 | Published: 5 May 2022
(This article belongs to the Special Issue Exercise and sports in men: from health to sports performance)
Copyright: © 2022 The Author(s). Published by IMR Press.
This is an open access article under the CC BY 4.0 license.
Abstract

Background: This study aimed to investigate the plantar loads of male non-rearfoot strike runners running on different overground surfaces at their preferred speeds. Methods: A total of 32 male runners with non-rearfoot strike were required to run for 15 m on concrete, synthetic rubber and grass surfaces at their preferred speeds. An insole sensor system was used to determine the runners’ foot strike pattern and measure peak pressure, pressure-time integral, maximum force, force-time integral and contact area of the total foot and nine selected foot regions. Results: No significant differences on their preferred speeds were observed running on concrete, synthetic rubber and grass surfaces. No significant differences on plantar loads parameters of the total foot were found when running on the three overground surfaces. Running on concrete showed higher peak pressure in the lateral forefoot compared with grass and synthetic rubber (283.49 kPa vs. 264.31 kPa, p < 0.023; 283.49 kPa vs. 263.18 kPa, p < 0.019, respectively). Maximum force in the medial forefoot was lower when running on concrete compared with grass and synthetic rubber (40.16 %BW vs. 42.52 %BW, p < 0.042; 40.16 %BW vs. 43.21 %BW, p < 0.022, respectively). Conclusions: Repetitive and excessive plantar loads during long-distance running may result in loads-related injury in lower extremity skeletal tissues for non-rearfoot runners at preferred speeds. Therefore, male non-rearfoot strikers should choose the appropriate overground surface to reduce the risk of lower extremity musculoskeletal injuries.

Keywords
Male non-rearfoot striker
Running
Plantar loads
Figures
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