Energy metabolism during repeated sets of leg press exercise leading to failure or not

Esteban M Gorostiaga, Ion Navarro-Amézqueta, José A L Calbet, Ylva Hellsten, Roser Cusso, Mario Guerrero, Cristina Granados, Miriam González-Izal, Javier Ibañez, Mikel Izquierdo

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    Abstract

    This investigation examined the influence of the number of repetitions per set on power output and muscle metabolism during leg press exercise. Six trained men (age 34 ± 6 yr) randomly performed either 5 sets of 10 repetitions (10REP), or 10 sets of 5 repetitions (5REP) of bilateral leg press exercise, with the same initial load and rest intervals between sets. Muscle biopsies (vastus lateralis) were taken before the first set, and after the first and the final sets. Compared with 5REP, 10REP resulted in a markedly greater decrease (P
    Original languageEnglish
    Article numbere40621
    JournalP L o S One
    Volume7
    Issue number7
    Number of pages9
    ISSN1932-6203
    DOIs
    Publication statusPublished - 2012

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