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The neuromuscular, endocrine and mood responses to a single versus double training session day in soccer players

W. Sparkes, A.N. Turner, C.J. Cook, M. Weston, M. Russell, M.J. Johnston, L.P. Kilduff, Liam Kilduff Orcid Logo

Journal of Science and Medicine in Sport

Swansea University Author: Liam Kilduff Orcid Logo

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DOI (Published version): 10.1016/j.jsams.2019.08.291

Abstract

ObjectivesThis study profiled the 24 hour (h) neuromuscular, endocrine and mood responses to a single versus a double training day in soccer players.DesignRepeated measures.MethodsTwelve semi-professional soccer players performed small-sided-games (SSG’s; 4vs4 + goalkeepers; 6 × 7-min, 2-min inter-s...

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Published in: Journal of Science and Medicine in Sport
ISSN: 1440-2440
Published: 2019
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URI: https://cronfa.swan.ac.uk/Record/cronfa51633
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Abstract: ObjectivesThis study profiled the 24 hour (h) neuromuscular, endocrine and mood responses to a single versus a double training day in soccer players.DesignRepeated measures.MethodsTwelve semi-professional soccer players performed small-sided-games (SSG’s; 4vs4 + goalkeepers; 6 × 7-min, 2-min inter-set recovery) with neuromuscular (peak-power output, PPO; jump height, JH), endocrine (salivary testosterone, cortisol), and mood measures collected before (pre) and after (0 h, +24 h). The following week, the same SSG protocol was performed with an additional lower body strength training session (back-squat, Romanian deadlift, barbell hip thrust; 4 × 4 repetitions, 4-min inter-set recovery; 85% 1 rep-max) added at 2 h after the SSG’s.ResultsBetween-trial comparisons revealed possible to likely small impairments in PPO (2.5 ± 2.2 W·kg-1; 90% Confidence Limits: ±2.2 W·kg-1), JH (-1.3; ±2.0 cm) and mood (4.6; ±6.1 AU) in response to the double versus single sessions at +24 h. Likely to very likely small favourable responses occurred following the single session for testosterone (-15.2; ±6.1 pg·ml-1), cortisol (0.072; ±0.034 ug·dl-1) and testosterone/cortisol ratio (-96.6; ±36.7 AU) at +24 h compared to the double session trial.ConclusionsThese data highlight that performance of two training sessions within a day resulted in possible to very likely small impairments of neuromuscular performance, mood score and endocrine markers at +24 h relative to a single training session day. A strategy of alternating high intensity explosive training days containing multiple sessions with days emphasising submaximal technical/tactical activities may be beneficial for those responsible for the design and delivery of soccer training programs.
Keywords: Fatigue, recovery, concurrent training, training prescription
College: Faculty of Science and Engineering

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