Tibial acceleration alone is not a valid surrogate measure of tibial load in response to stride length manipulation
Purpose: This study aimed to evaluate the relationship between peak tibial acceleration and peak ankle joint contact forces in response to stride length manipulation during level-ground running. Methods: Twenty-seven physically active participants ran 10 trials at preferred speed in each of 5 stride...
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Elsevier
2025-12-01
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| Series: | Journal of Sport and Health Science |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2095254624001340 |
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| author | Jean Tu Olivia L. Bruce W. Brent Edwards |
| author_facet | Jean Tu Olivia L. Bruce W. Brent Edwards |
| author_sort | Jean Tu |
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| description | Purpose: This study aimed to evaluate the relationship between peak tibial acceleration and peak ankle joint contact forces in response to stride length manipulation during level-ground running. Methods: Twenty-seven physically active participants ran 10 trials at preferred speed in each of 5 stride length conditions: preferred, ±5%, and ±10% of preferred stride length. Motion capture, force platform, and tibial acceleration data were directly measured, and ankle joint contact forces were estimated using an inverse-dynamics-based static optimization routine. Results: In general, peak axial tibial accelerations (p < 0.001) as well as axial (p < 0.001) and resultant (p < 0.001) ankle joint contact forces increased with stride length. When averaged within the 10 strides of each stride condition, moderate positive correlations were observed between peak axial acceleration and joint contact force (r = 0.49) as well as peak resultant acceleration and joint contact force (r = 0.51). However, 37% of participants illustrated either no relationship or negative correlations. Only weak correlations across participants existed between peak axial acceleration and joint contact force (r = 0.12) as well as peak resultant acceleration and ankle joint contact force (r = 0.18) when examined on a step-by-step basis. Conclusion: These results suggest that tibial acceleration should not be used as a surrogate for ankle joint contact force on a step-by-step basis in response to stride length manipulations during level-ground running. A 10-step averaged tibial acceleration metric may be useful for some runners, but an initial laboratory assessment would be required to identify these individuals. |
| format | Article |
| id | doaj-art-be853988728944798bcc556223c89033 |
| institution | Kabale University |
| issn | 2095-2546 |
| language | English |
| publishDate | 2025-12-01 |
| publisher | Elsevier |
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| series | Journal of Sport and Health Science |
| spelling | doaj-art-be853988728944798bcc556223c890332025-01-26T05:03:43ZengElsevierJournal of Sport and Health Science2095-25462025-12-0114100978Tibial acceleration alone is not a valid surrogate measure of tibial load in response to stride length manipulationJean Tu0Olivia L. Bruce1W. Brent Edwards2Human Performance Laboratory, Faculty of Kinesiology, University of Calgary, Calgary T2N 1N4, Canada; McCaig Institute for Bone and Joint Health, University of Calgary, Calgary T2N 4Z6, CanadaHuman Performance Laboratory, Faculty of Kinesiology, University of Calgary, Calgary T2N 1N4, Canada; Department of Radiology, Stanford University, Stanford, CA 94305-2004, USA; Corresponding author.Human Performance Laboratory, Faculty of Kinesiology, University of Calgary, Calgary T2N 1N4, Canada; McCaig Institute for Bone and Joint Health, University of Calgary, Calgary T2N 4Z6, Canada; Department of Biomedical Engineering, University of Calgary, Calgary T2N 1N4, CanadaPurpose: This study aimed to evaluate the relationship between peak tibial acceleration and peak ankle joint contact forces in response to stride length manipulation during level-ground running. Methods: Twenty-seven physically active participants ran 10 trials at preferred speed in each of 5 stride length conditions: preferred, ±5%, and ±10% of preferred stride length. Motion capture, force platform, and tibial acceleration data were directly measured, and ankle joint contact forces were estimated using an inverse-dynamics-based static optimization routine. Results: In general, peak axial tibial accelerations (p < 0.001) as well as axial (p < 0.001) and resultant (p < 0.001) ankle joint contact forces increased with stride length. When averaged within the 10 strides of each stride condition, moderate positive correlations were observed between peak axial acceleration and joint contact force (r = 0.49) as well as peak resultant acceleration and joint contact force (r = 0.51). However, 37% of participants illustrated either no relationship or negative correlations. Only weak correlations across participants existed between peak axial acceleration and joint contact force (r = 0.12) as well as peak resultant acceleration and ankle joint contact force (r = 0.18) when examined on a step-by-step basis. Conclusion: These results suggest that tibial acceleration should not be used as a surrogate for ankle joint contact force on a step-by-step basis in response to stride length manipulations during level-ground running. A 10-step averaged tibial acceleration metric may be useful for some runners, but an initial laboratory assessment would be required to identify these individuals.http://www.sciencedirect.com/science/article/pii/S2095254624001340Wearable sensorsRunningJoint kineticsLower extremityGait manipulation |
| spellingShingle | Jean Tu Olivia L. Bruce W. Brent Edwards Tibial acceleration alone is not a valid surrogate measure of tibial load in response to stride length manipulation Journal of Sport and Health Science Wearable sensors Running Joint kinetics Lower extremity Gait manipulation |
| title | Tibial acceleration alone is not a valid surrogate measure of tibial load in response to stride length manipulation |
| title_full | Tibial acceleration alone is not a valid surrogate measure of tibial load in response to stride length manipulation |
| title_fullStr | Tibial acceleration alone is not a valid surrogate measure of tibial load in response to stride length manipulation |
| title_full_unstemmed | Tibial acceleration alone is not a valid surrogate measure of tibial load in response to stride length manipulation |
| title_short | Tibial acceleration alone is not a valid surrogate measure of tibial load in response to stride length manipulation |
| title_sort | tibial acceleration alone is not a valid surrogate measure of tibial load in response to stride length manipulation |
| topic | Wearable sensors Running Joint kinetics Lower extremity Gait manipulation |
| url | http://www.sciencedirect.com/science/article/pii/S2095254624001340 |
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