Two Weeks of Repeated-Sprint Training in Soccer: To Turn or Not to Turn?

TAYLOR, Jonathan M., MACPHERSON, Tom W., MCLAREN, Shaun J., SPEARS, Iain and WESTON, Matthew (2016). Two Weeks of Repeated-Sprint Training in Soccer: To Turn or Not to Turn? International Journal of Sports Physiology and Performance, 11 (8), 998-1004.

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Link to published version:: https://doi.org/10.1123/ijspp.2015-0608
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    Abstract

    Purpose: To compare the effects of 2 repeated-sprint training programs on fitness in soccer. Methods: Fifteen semiprofessional soccer players (age: 24 ± 4 y; body mass: 77 ± 8 kg) completed 6 repeated-sprint training sessions over a 2-week period. Players were assigned to a straight-line (STR) (n = 8; 3–4 sets of 7 × 30 m) or change of direction (CoD) (n = 7; 3–4 sets of 7 × 20-m) repeated-sprint training group. Performance measures included 5-, 10-, and 20-m sprints, countermovement jump, Illinois agility, and Yo-Yo Intermittent Recovery Test level 1 (YYIRTL1) performance. Internal (heart rate) and external (global positioning system-derived measures) training loads were monitored throughout. Data were analyzed using magnitude-based inferences. Results: Internal and external loads were higher in the STR group than in the CoD group with large differences in maximum velocity (28.7%; ±90% confidence limits, 3.3%), moderate differences in mean heart rates (7.0%; ±1.4%) and PlayerLoad (17.6%; ±8.6%), and small differences in peak heart rates (3.0%; ±1.6%). Large improvements in 5-m (STR: 9.6%; ±7.0% and CoD: 9.4%; ±3.3%), 10-m (STR: 6.6%; ±4.6% and CoD: 6.7%; ±2.2%), and 20-m (STR: 3.6; ±4.0% and CoD: 4.0; ±1.7%) sprints were observed. Large and moderate improvements in YYIRTL1 performance were observed in the STR (24.0%; ±9.3%) and CoD (31.0%; ±7.5%), respectively. Between-groups differences in outcome measures were unclear. Conclusions: Two weeks of repeated-sprint training stimulates improvements in acceleration, speed, and high-intensity running performance in soccer players. Despite STR inducing higher internal and external training loads, training adaptations were unclear between training modes, indicating a need for further research.

    Item Type: Article
    Uncontrolled Keywords: 1106 Human Movement and Sports Sciences; 1116 Medical Physiology; 1701 Psychology; Sport Sciences
    Identification Number: https://doi.org/10.1123/ijspp.2015-0608
    Page Range: 998-1004
    SWORD Depositor: Symplectic Elements
    Depositing User: Symplectic Elements
    Date Deposited: 20 May 2021 11:15
    Last Modified: 20 May 2021 11:30
    URI: http://shura.shu.ac.uk/id/eprint/26640

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