Does fatigue influence joint-specific work and ground force production during the first steps of maximal acceleration?

Shayne Vial; Jodie Cochrane Wilkie; Mitchell Turner; Mark Scanlan; Anthony J. Blazevich

doi:10.1111/sms.14318

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Does fatigue influence joint-specific work and ground force production during the first steps of maximal acceleration?

Journal article

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Does fatigue influence joint-specific work and ground force production during the first steps of maximal acceleration?

Shayne Vial, Jodie Cochrane Wilkie, Mitchell Turner, Mark Scanlan and Anthony J. Blazevich

Scandinavian journal of medicine & science in sports, Vol.33(6), pp.894-906

06/2023

DOI: https://doi.org/10.1111/sms.14318

PMID: 36650696

Appears in Recent Faculty of Health Publications

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Abstract

Life Sciences & Biomedicine

Science & Technology

Sport Sciences

acceleration

biomechanics

fatigue

gait

sprint

Biomechanics

Other health not elsewhere classified

During initial acceleration, the first steps of a maximal-effort (sprint) run often determine success or failure in the capture and evasion of an opponent, and is therefore a vital factor of success in many modern sports. However, accelerative events are commonly performed after having already run considerable distances, and the associated fatigue should impair muscle force production and thus reduce acceleration. Despite this, the effects of running-induced fatigue on our ability to accelerate as well as the running technique used to achieve it have received little attention. We recorded 3-D kinematics and ground reaction forces during the first three steps of the acceleration phase from a standing start before and after performing a high-speed, multi-directional, fatiguing run-walk protocol in well-trained running athletes who were habituated to accelerative sprinting. We found that the athletes were able to maintain their acceleration despite changing running technique, which was associated with use of a more upright posture, longer ground contact time, increased vertical ground reaction impulse, decreased hip flexion and extension velocities, and a shift in peak joint moments, power, and positive work from the hip to the knee joint; no changes were detected in ankle joint function. Thus, a compensatory increase in knee joint function alleviated the reduction in hip flexor-extensor capacity. These acute adaptations may indicate that the hip extensors (gluteal and hamstring muscle groups) were more susceptible to fatigue than the ankle and knee musculature, and may thus be a primary target for interventions promoting fatigue resistance.

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Title: Does fatigue influence joint-specific work and ground force production during the first steps of maximal acceleration?
Creators: Shayne Vial - Edith Cowan University
Jodie Cochrane Wilkie - Southern Cross University
Mitchell Turner - Edith Cowan University
Mark Scanlan - Edith Cowan University
Anthony J. Blazevich - Edith Cowan University
Publication Details: Scandinavian journal of medicine & science in sports, Vol.33(6), pp.894-906
Publisher: Wiley
Number of pages: 13
Identifiers: 991013092666002368
Copyright: © 2023 The Authors. Scandinavian Journal of Medicine & Science In Sports published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License, (https://creativecommons.org/licenses/by/4.0/).
Academic Unit: Faculty of Health
Language: English
Resource Type: Journal article

Does fatigue influence joint-specific work and ground force production during the first steps of maximal acceleration?

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