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    A sled push stimulus potentiates subsequent 20-m sprint performance.

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    Authors
    Seitz, Laurent B.
    Mina, Minas A.
    Haff, Guy Gregory
    Affiliation
    Edith Cowan University
    University of Derby
    Issue Date
    2017-01-23
    
    Metadata
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    Abstract
    Abstract OBJECTIVES: The objective of this study was to examine the potentiating effects of performing a single sprint-style sled push on subsequent unresisted 20m sprint performance. DESIGN: Randomized crossover design. METHODS: Following a familiarization session, twenty rugby league players performed maximal unresisted 20m sprints before and 15s, 4, 8 and 12min after a single sled push stimulus loaded with either 75 or 125% body mass. The two sled push conditions were performed in a randomized order over a one-week period. The fastest sprint time recorded before each sled push was compared to that recorded at each time point after to determine the post-activation potentiation (PAP) effect. RESULTS: After the 75% body mass sled push, sprint time was 0.26±1.03% slower at the 15s time point (effect size [ES]=0.07) but faster at the 4 (-0.95±2.00%; ES=-0.22), 8 (-1.80±1.43%; ES=-0.42) and 12 (-1.54±1.54%; ES=-0.36)min time points. Sprint time was slower at all the time points after the 125% body mass sled (1.36±2.36%-2.59±2.90%; ESs=0.34-0.64). CONCLUSIONS: Twenty-meter sprint performance is potentiated 4-12min following a sled push loaded with 75% body mass while it is impaired after a 125% body mass sled. These results are of great importance for coaches seeking to potentiate sprint performance with the sled push exercise.
    Citation
    Seitz, L. B. et al (2017) 'A sled push stimulus potentiates subsequent 20-m sprint performance', Journal of Science and Medicine in Sport, 20 (8):781.
    Publisher
    Elsevier
    Journal
    Journal of Science and Medicine in Sport
    URI
    http://hdl.handle.net/10545/621968
    DOI
    10.1016/j.jsams.2016.12.074
    Additional Links
    http://linkinghub.elsevier.com/retrieve/pii/S1440244017302505
    Type
    Article
    Language
    en
    ISSN
    14402440
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.jsams.2016.12.074
    Scopus Count
    Collections
    School of Human Sciences

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