The effects of exercise-induced muscle damage on varying intensities of endurance running performance: A systematic review and meta-analysis

Burt, D., Doma, K., and Connor, J. (2023) The effects of exercise-induced muscle damage on varying intensities of endurance running performance: A systematic review and meta-analysis. Science & Sports. (In Press)

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Abstract

Objectives: This systematic review and meta-analysis investigated the effects of exercise-induced muscle damage (EIMD) on sub-maximal and maximal effort running performance.

News: Physiological responses during sub-maximal running across two exercise stages (low intensity < 75% VO2 max and high intensity > 75% VO2 max) were meta-analytically examined 24- and 48-hours after EIMD. Delayed onset muscle soreness (DOMS), intramuscular enzymes (creatine kinase [CK] and myoglobin [Mb]) and muscle function at the same time points were examined to confirm EIMD. Alterations to maximal-effort running performance 24- and 48-hours after EIMD were qualitatively analysed.

Prospects and projects: Significant increases in DOMS, intramuscular enzymes, and decreases in muscle function were found 24 and 48 h after EIMD (P < 0.05). During low intensity running (< 75% VO2 max), running economy (RE) and ventilation (VE) were unchanged 24 h after EIMD (P > 0.05), however, were significantly increased at 48 h (P < 0.05). Physiological responses during high intensity running (> 75% VO2 max ) were all significantly increased 24 and 48 h after EIMD (P < 0.05). There was insufficient number of studies for maximal-effort running performance (time-to-exhaustion and time-trial performance) to be meta-analysed, however, 3 studies reported that outcome measures were impaired for up to 48 h post-EIMD.

Conclusion: Endurance runners contemplating eccentric exercise to improve performance should consider the effects that EIMD has on running performance and periodise training accordingly.

Item ID: 77226
Item Type: Article (Research - C1)
ISSN: 1778-4131
Copyright Information: © 2022 The Author(s). Published by Elsevier Masson SAS. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Date Deposited: 25 Jan 2023 02:26
FoR Codes: 42 HEALTH SCIENCES > 4207 Sports science and exercise > 420702 Exercise physiology @ 80%
42 HEALTH SCIENCES > 4207 Sports science and exercise > 420703 Motor control @ 20%
SEO Codes: 13 CULTURE AND SOCIETY > 1306 Sport, exercise and recreation > 130601 Exercise @ 100%
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