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Spatiotemporal and kinematic adjustments in master runners may be associated with the relative physiological effort during running

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posted on 2023-10-13, 11:09 authored by Parunchaya Jamkrajang, Sarit Suwanmana, Weerawat Limroongreungrat, Jasper Verheul

Master runners maintain a similar running economy to young runners, despite displaying biomechanical characteristics that are associated with a worse running economy. This apparent paradox may be explained by a greater physiological effort—i.e., percentage of maximal oxygen uptake (VO2-max)—that master runners perform at a given speed. Moreover, age-related responses to non-exhaustive sustained running are yet underexplored. The aims of this study were, therefore, to examine if biomechanical adjustments in master runners are physiological-effort dependent, and to explore the age-related biomechanical changes during a non-exhaustive sustained run. Young (23.9 ± 6; n = 12) and master (47.3 ± 6.9; n = 12) runners performed a sustained 30-minute treadmill run matched for relative physiological effort (70% VO2-max), while spatiotemporal and lower-limb kinematic characteristics were collected during the 1st and 30th minute. Group differences were observed in step/stride length, knee touch-down angle, and knee stiffness. However, both groups of runners had a similar step frequency, vertical center of mass oscillation, and knee range of motion. Age-related adjustment in these latter characteristics may thus not be an inevitable result of the aging process but rather a strategy to maintain running economy. The relative physiological effort of runners should, therefore, be considered when examining age-related adjustments in running biomechanics.



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Jamkrajang, P., Suwanmana, S., Limroongreungrat, W. and Verheul, J. (2023) 'Spatiotemporal and kinematic adjustments in master runners may be associated with the relative physiological effort during running', Frontiers in Sports and Active Living, 5, p.1271502. doi: 10.3389/fspor.2023.1271502

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Cardiff Met Affiliation

  • Cardiff School of Sport and Health Sciences

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Jasper Verheul

Cardiff Met Research Centre/Group

  • High Performance

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  • © The Authors


  • en

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