The effects of different carbon-fiber plate shapes in shoes on lower limb biomechanics following running-induced fatigue
Different shapes of carbon-fiber plates (CFPs) are likely to affect lower limb biomechanics, particularly under conditions of running-induced fatigue, and potentially impact runners’ performance and risk of injury. However, no studies have yet elucidated the precise effects of CFP shapes on the lowe...
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Frontiers Media S.A.
2025-02-01
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| Series: | Frontiers in Bioengineering and Biotechnology |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fbioe.2025.1539976/full |
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| author | Yufan Xu Chengyuan Zhu Yufei Fang Zhenghui Lu Zhenghui Lu Zhenghui Lu Yang Song Chen Hu Dong Sun Yaodong Gu |
| author_facet | Yufan Xu Chengyuan Zhu Yufei Fang Zhenghui Lu Zhenghui Lu Zhenghui Lu Yang Song Chen Hu Dong Sun Yaodong Gu |
| author_sort | Yufan Xu |
| collection | DOAJ |
| description | Different shapes of carbon-fiber plates (CFPs) are likely to affect lower limb biomechanics, particularly under conditions of running-induced fatigue, and potentially impact runners’ performance and risk of injury. However, no studies have yet elucidated the precise effects of CFP shapes on the lower limb biomechanical characteristics subsequent to running-induced fatigue. The purpose of this study was to investigate the effects of different CFP shapes in running shoes on the lower limb biomechanics of runners following running-induced fatigue. 12 male runners (aged 21.8 ± 1.3 years, mass 59.1 ± 4.1 kg, height 168.9 ± 2.2 cm, weekly running distance 68.8 ± 5.5 km/week) were recruited for this study. Two-way repeated measures ANOVA was used to compare kinematic and kinetic data, while SPM (Statistical Parametric Mapping) was used to assess the activation levels of lower limb muscles. Compared to wearing flat CFP shoes (“Flat”), wearing curved CFP shoes (“Curve”) resulted in a significant reduction in the hip (p = 0.034) and knee contact angle (p < 0.000), as well as a significant decrease in the hip flexion moment (p = 0.008). The activation level of the tibialis anterior (TA) was significantly higher when wearing “Curve” in pre-fatigue compared to “Flat”, whereas the opposite was observed post-fatigue. The curved CFP altered the bending angle of the forefoot, thereby significantly reducing the joint angles and joint moments of the hip and knee. |
| format | Article |
| id | doaj-art-7654d0908d25407fae9917537d57dfce |
| institution | Kabale University |
| issn | 2296-4185 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Frontiers Media S.A. |
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| series | Frontiers in Bioengineering and Biotechnology |
| spelling | doaj-art-7654d0908d25407fae9917537d57dfce2025-02-11T06:59:28ZengFrontiers Media S.A.Frontiers in Bioengineering and Biotechnology2296-41852025-02-011310.3389/fbioe.2025.15399761539976The effects of different carbon-fiber plate shapes in shoes on lower limb biomechanics following running-induced fatigueYufan Xu0Chengyuan Zhu1Yufei Fang2Zhenghui Lu3Zhenghui Lu4Zhenghui Lu5Yang Song6Chen Hu7Dong Sun8Yaodong Gu9Faculty of Sports Science, Ningbo University, Ningbo, ChinaFaculty of Sports Science, Ningbo University, Ningbo, ChinaDepartment of Radiology, Ningbo No. 2 Hospital, Ningbo, ChinaFaculty of Sports Science, Ningbo University, Ningbo, ChinaFaculty of Engineering, University of Pannonia, Veszprem, HungaryDepartment of Material Science and Technology, Audi Hungaria Faculty of Automotive Engineering, Széchenyi István University, Győr, HungaryDepartment of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, ChinaFaculty of Sports Science, Ningbo University, Ningbo, ChinaFaculty of Sports Science, Ningbo University, Ningbo, ChinaFaculty of Sports Science, Ningbo University, Ningbo, ChinaDifferent shapes of carbon-fiber plates (CFPs) are likely to affect lower limb biomechanics, particularly under conditions of running-induced fatigue, and potentially impact runners’ performance and risk of injury. However, no studies have yet elucidated the precise effects of CFP shapes on the lower limb biomechanical characteristics subsequent to running-induced fatigue. The purpose of this study was to investigate the effects of different CFP shapes in running shoes on the lower limb biomechanics of runners following running-induced fatigue. 12 male runners (aged 21.8 ± 1.3 years, mass 59.1 ± 4.1 kg, height 168.9 ± 2.2 cm, weekly running distance 68.8 ± 5.5 km/week) were recruited for this study. Two-way repeated measures ANOVA was used to compare kinematic and kinetic data, while SPM (Statistical Parametric Mapping) was used to assess the activation levels of lower limb muscles. Compared to wearing flat CFP shoes (“Flat”), wearing curved CFP shoes (“Curve”) resulted in a significant reduction in the hip (p = 0.034) and knee contact angle (p < 0.000), as well as a significant decrease in the hip flexion moment (p = 0.008). The activation level of the tibialis anterior (TA) was significantly higher when wearing “Curve” in pre-fatigue compared to “Flat”, whereas the opposite was observed post-fatigue. The curved CFP altered the bending angle of the forefoot, thereby significantly reducing the joint angles and joint moments of the hip and knee.https://www.frontiersin.org/articles/10.3389/fbioe.2025.1539976/fulllower limb biomechanicscarbon-fiber plate (CFP)running-induced fatiguerunning performanceinjury |
| spellingShingle | Yufan Xu Chengyuan Zhu Yufei Fang Zhenghui Lu Zhenghui Lu Zhenghui Lu Yang Song Chen Hu Dong Sun Yaodong Gu The effects of different carbon-fiber plate shapes in shoes on lower limb biomechanics following running-induced fatigue Frontiers in Bioengineering and Biotechnology lower limb biomechanics carbon-fiber plate (CFP) running-induced fatigue running performance injury |
| title | The effects of different carbon-fiber plate shapes in shoes on lower limb biomechanics following running-induced fatigue |
| title_full | The effects of different carbon-fiber plate shapes in shoes on lower limb biomechanics following running-induced fatigue |
| title_fullStr | The effects of different carbon-fiber plate shapes in shoes on lower limb biomechanics following running-induced fatigue |
| title_full_unstemmed | The effects of different carbon-fiber plate shapes in shoes on lower limb biomechanics following running-induced fatigue |
| title_short | The effects of different carbon-fiber plate shapes in shoes on lower limb biomechanics following running-induced fatigue |
| title_sort | effects of different carbon fiber plate shapes in shoes on lower limb biomechanics following running induced fatigue |
| topic | lower limb biomechanics carbon-fiber plate (CFP) running-induced fatigue running performance injury |
| url | https://www.frontiersin.org/articles/10.3389/fbioe.2025.1539976/full |
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