Perceived load, fatigue and recovery responses during congested and non-congested micro-cycles in international football tournaments

Journal article


Noor, Denny, McCall, Alan, Jones, Mark, Duncan, Craig, Ehrmann, Fabian, Meyer, Tim and Duffield, Rob. (2021). Perceived load, fatigue and recovery responses during congested and non-congested micro-cycles in international football tournaments. Journal of Science and Medicine in Sport. 24(12), pp. 1278-1283. https://doi.org/10.1016/j.jsams.2021.07.001
AuthorsNoor, Denny, McCall, Alan, Jones, Mark, Duncan, Craig, Ehrmann, Fabian, Meyer, Tim and Duffield, Rob
Abstract

Objectives
To describe the perceived load, fatigue and recovery profiles during congested and non-congested schedules in international football tournaments.

Design
Retrospective single-cohort observational study.

Methods
Internal load (session-rating of perceived exertion [s-RPE]) and perceived ratings of fatigue, muscle soreness, psychological status, sleep quality, and sleep duration were recorded daily from 37 national team footballers during the competition phase of 3 international tournaments. ANOVA and Effect Size (ES) analyses compared individualised internal load and perceived response profiles between congested and non-congested acute 2-match schedules. Conditions included Acute Congestion (≤4 days between two matches), Non-Congestion (>4 days between two matches), Single-Match, and No-Match.

Results
Significantly higher s-RPE match loads (p < 0.001) within the single- and multi-match conditions resulted in significantly worsened (p < 0.05) subjective ratings of perceived fatigue, muscle soreness and sleep duration in the 24–48 h post-match. Internal load profiles were not different between the Acute-Congestion or Non-congestion conditions (p > 0.05); though Acute-Congestion had significantly worsened pre-match subjective ratings compared to Non-Congestion on both MD1 (p = 0.040; ES = 0.94) and MD2 (p = 0.033; ES = 0.94). However, between-match differences in Acute-Congestion showed no further impairments in perceived response between the first and second matches (p > 0.05).

Conclusions
During international tournaments, internal load and perceived fatigue/recovery profiles are largely determined by their exposure (or lack thereof) to match-play. Periods of acute match congestion impaired players pre-match perceived status when compared to non-congested microcycles. However, acute match congestion does not appear to exacerbate players post-match fatigue/recovery response within the context of international football tournaments.

Keywordstraining load; fatigue; recovery; monitoring; national team; international football
Year2021
JournalJournal of Science and Medicine in Sport
Journal citation24 (12), pp. 1278-1283
PublisherElsevier Ltd
ISSN1440-2440
Digital Object Identifier (DOI)https://doi.org/10.1016/j.jsams.2021.07.001
Scopus EID2-s2.0-85113598223
Research or scholarlyResearch
Page range1278-1283
Publisher's version
License
All rights reserved
File Access Level
Controlled
Output statusPublished
Publication dates
Online09 Jul 2021
Publication process dates
Accepted04 Jul 2021
Deposited22 Feb 2022
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