Variations of training load, monotony, and strain and dose-response relationships with maximal aerobic speed, maximal oxygen uptake, and isokinetic strength in professional soccer players

This study aimed to identify variations in weekly training load, training monotony, and training strain across a 10-week period (during both, pre- and in-season phases); and to analyze the dose-response relationships between training markers and maximal aerobic speed (MAS), maximal oxygen uptake, an...

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Vydáno v:	PloS one Ročník 14; číslo 12; s. e0225522
Hlavní autoři:	Clemente, Filipe Manuel, Clark, Cain, Castillo, Daniel, Sarmento, Hugo, Nikolaidis, Pantelis Theodoros, Rosemann, Thomas, Knechtle, Beat
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	United States Public Library of Science 04.12.2019 Public Library of Science (PLoS)
Témata:	Adult Analysis Biology and Life Sciences Clark, Daniel Correlation Dose-response effects Exercise Exercise - physiology Fitness Football Global positioning systems GPS Humans Isokinetic strength Load Medicine and Health Sciences Monotony Muscle Strength - physiology Oxygen Oxygen Consumption - physiology Oxygen uptake Peak load Physical Fitness Physical Sciences Physical training Physiology Players Primary care Professional soccer Research and Analysis Methods Soccer Soccer players Social Sciences Sports injuries Strain Team sports Training Variation Portugal Switzerland
ISSN:	1932-6203, 1932-6203
On-line přístup:	Získat plný text
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Shrnutí:	This study aimed to identify variations in weekly training load, training monotony, and training strain across a 10-week period (during both, pre- and in-season phases); and to analyze the dose-response relationships between training markers and maximal aerobic speed (MAS), maximal oxygen uptake, and isokinetic strength. Twenty-seven professional soccer players (24.9±3.5 years old) were monitored across the 10-week period using global positioning system units. Players were also tested for maximal aerobic speed, maximal oxygen uptake, and isokinetic strength before and after 10 weeks of training. Large positive correlations were found between sum of training load and extension peak torque in the right lower limb (r = 0.57, 90%CI[0.15;0.82]) and the ratio agonist/antagonist in the right lower limb (r = 0.51, [0.06;0.78]). It was observed that loading measures fluctuated across the period of the study and that the load was meaningfully associated with changes in the fitness status of players. However, those magnitudes of correlations were small-to-large, suggesting that variations in fitness level cannot be exclusively explained by the accumulated load and loading profile.
Bibliografie:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14 ObjectType-Article-2 ObjectType-Feature-1 content type line 23 Competing Interests: The authors have declared that no competing interests exist.
ISSN:	1932-6203 1932-6203
DOI:	10.1371/journal.pone.0225522