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    A Comparison of Exercise-Induced Muscle Damage Following Maximal Eccentric Contractions in Men and Boys.

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    Authors
    Deli, Chariklia K
    Fatouros, Ioannis G
    Paschalis, Vassilis
    Georgakouli, Kalliopi
    Zalavras, Athanasios
    Avloniti, Alexandra
    Koutedakis, Yiannis
    Jamurtas, Athanasios Z
    Issue Date
    2017-08
    
    Metadata
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    Abstract
    Purpose: Research regarding exercise-induced muscle-damage mainly focuses on adults. The present study examined exercise-induced muscle-damage responses in adults compared with children. Method: Eleven healthy boys (10–12 y) and 15 healthy men (18–45 y) performed 5 sets of 15 maximal eccentric contractions of the knee extensors. Range of motion (ROM), delayed onset muscle soreness (DOMS) during squat and walking, and peak isometric, concentric and eccentric torque were assessed before, post, 24, 48, 72, and 96 hr postexercise. Creatine kinase (CK) activity was assessed before and 72 hr postexercise. Results: Eccentric exercise resulted in DOMS during squat that persisted for up to 96h in men, and 48 hr in boys (p < .05), and DOMS during walking that persisted for up to 72 hr in men, and 48 hr in boys (p < .01). The ROM was lower in both age groups 48 hr postexercise (p < .001). Isometric (p < .001), concentric (p < .01) and eccentric (p < .01) force decreased post, and up to 48 hr postexercise in men. Except for a reduction in isometric force immediately after exercise, no other changes occurred in boys’ isokinetic force. CK activity increased in men at 72 hr postexercise compared with pre exercise levels (p = .05). Conclusion: Our data provide further confirmation that children are less susceptible to exercise-induced muscle damage compared with adults.
    Citation
    Deli, C.K., Fatouros, I.G., Paschalis, V., Georgakouli, K., Zalavras, A., Avloniti, A.A., Koutedakis, Y., & Jamurtas, A.Z. (2017). A Comparison of Exercise-Induced Muscle Damage Following Maximal Eccentric Contractions in Men and Boys. Pediatric exercise science, 29 (3), pp 316-325 .
    Publisher
    Human Kinetics
    Journal
    Pediatric exercise science
    URI
    http://hdl.handle.net/2436/620760
    DOI
    10.1123/pes.2016-0185
    PubMed ID
    28165870
    Additional Links
    https://journals.humankinetics.com/doi/10.1123/pes.2016-0185
    Type
    Journal article
    Language
    en
    ISSN
    0899-8493
    ae974a485f413a2113503eed53cd6c53
    10.1123/pes.2016-0185
    Scopus Count
    Collections
    Faculty of Education, Health and Wellbeing

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