Effect of heavy back squats on repeated sprint performance in trained men

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    Aim. This study examined the impact of post activation potentiation on repeated sprint performance in trained Rugby Union players. Methods. Ten, male, professional Rugby Union players (mean age=25.2±5.02 years) performed 7, 30-meter sprints, separated by 25 seconds, 4 minutes following back squats (90% 1 repetition maximum) or a control condition performed in a counterbalanced order. Results. Significant condition X sprint interactions for 10-meter (P=0.02) and 30-meter (P=0.05) indicated that times were significantly faster in the PAP condition for sprints 5,6 and 7 across both distances. Fatigue rate was also significantly lower in the PAP condition for 10-meter (P=0.023) and 30-meter (P=0.006) sprint running speed. Conclusion. This study evidences that a heavy resistance exercise stimulus administered four minutes prior to repeated sprints can offset the decline in sprint performance seen during subsequent maximal sprinting over 10 and 30-meters in Rugby Union players.
    Original languageEnglish
    Pages (from-to)238-243
    JournalJournal of Sports Medicine and Physical Fitness
    Issue number2
    Publication statusPublished - Apr 2014

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    • Fatigue
    • Physical exercise
    • Resistance


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