The biomechanical and physiological response to repeated soccer-specific simulations interspersed by 48 or 72 h recovery

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Purpose: To assess the residual fatigue response associated with the completion of two successive soccer-specific exercise protocols (SSEP). Methods: Twenty male soccer players were pair-matched before completing SSEPs, interspersed by either 48 or 72 h. Outcome variables were measured every 15 mins, and comprised uni-axial measures of PlayerLoad, mean (HR) and peak heart rate (HRpeak), blood lactate concentration, mean and peak (V̇O2peak) oxygen consumption, and rating of perceived exertion (RPE). Results: No significant (P>0.05) group interactions were identified for any outcome variables. Tni-axial (and total) PlayerLoad exhibited a significant (P<0.05) main effect for time, with the exception of the relative contribution of medial lateral PlayerLoad. Total PlayerLoad during the final 15mins (222.23 ± 15.16 a.u) was significantly higher than all other time points. All other outcome variables also exhibited a significant main effect for time, with HR, HRpeak and V̇O2peak also exhibiting significantly higher values in the first trial. There was also a significant (P=0.003) trial*time interaction for RPE. Conclusions: With equivalence at baseline, there was no difference in the fatigue response associated with two SSEPs interspersed by either 48 or 72 h recovery. The current study has implications for the design and micro management of training and competition schedules
Original languageEnglish
Pages (from-to)81-87
JournalPhysical Therapy in Sport
Early online date4 Jul 2016
Publication statusE-pub ahead of print - 4 Jul 2016


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