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Youths Are Less Susceptible to Exercise-Induced Muscle Damage Than Adults: A Systematic Review With Meta-Analysis.
Fernandes, John F T; Hayes, Lawrence D; Dingley, Amelia F; Moeskops, Sylvia; Oliver, Jon L; Arede, Jorge; Twist, Craig; Wilson, Laura J.
Affiliation
  • Fernandes JFT; School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, United Kingdom.
  • Hayes LD; Sport and Physical Activity Research Institute, University of the West of Scotland, South Lanarkshire, United Kingdom.
  • Dingley AF; College of Health, Medicine and Life Sciences, Brunel University, London, United Kingdom.
  • Moeskops S; Sports Performance Research Institute New Zealand (SPRINZ), AUT University, Auckland, New Zealand.
  • Oliver JL; School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, United Kingdom.
  • Arede J; Sports Performance Research Institute New Zealand (SPRINZ), AUT University, Auckland, New Zealand.
  • Twist C; Department of Sports Sciences, Exercise and Health, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.
  • Wilson LJ; School of Education, Polytechnic Institute of Viseu, Viseu, Portugal.
Pediatr Exerc Sci ; : 1-12, 2023 Dec 08.
Article in En | MEDLINE | ID: mdl-38065086
PURPOSE: This meta-analysis aimed to (1) provide a comparison of peak changes in indirect markers of exercise-induced muscle damage (EIMD) in youths versus adults and (2) determine if the involved limb moderated this effect. METHOD: Studies were eligible for inclusion if they (1) provided a human youth versus adult comparison; (2) provided data on muscle strength, soreness, or creatine kinase markers beyond ≥24 hours; and (3) did not provide a recovery treatment. Effect sizes (ES) were presented alongside 95% confidence intervals. RESULTS: EIMD exhibited larger effects on adults than in youths for muscle strength (ES = -2.01; P < .001), muscle soreness (ES = -1.52; P < .001), and creatine kinase (ES = -1.98; P < .001). The random effects meta-regression indicated that the effects of upper- and lower-limb exercise in youths and adults were significant for muscle soreness (coefficient estimate = 1.11; P < .001) but not for muscle strength or creatine kinase (P > .05). As such, the between-group effects for muscle soreness (ES = -2.10 vs -1.03; P < .05) were greater in the upper than lower limbs. CONCLUSION: The magnitude of EIMD in youths is substantially less than in their adult counterparts, and this effect is greater in upper than lower limbs for muscle soreness. These findings help guide practitioners who may be concerned about the potential impact of EIMD when training youth athletes.
Key words

Full text: 1 Collection: 01-internacional Database: MEDLINE Type of study: Systematic_reviews Language: En Journal: Pediatr Exerc Sci Year: 2023 Document type: Article Affiliation country: United kingdom Country of publication: United States

Full text: 1 Collection: 01-internacional Database: MEDLINE Type of study: Systematic_reviews Language: En Journal: Pediatr Exerc Sci Year: 2023 Document type: Article Affiliation country: United kingdom Country of publication: United States