The relationship between movement speed and duration during soccer matches.

The relationship between the time duration of movement (t(dur)) and related maximum possible power output has been studied and modeled under many conditions. Inspired by the so-called power profiles known for discontinuous endurance sports like cycling, and the critical power concept of Monod and Sc...

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Main Authors: Kai Roecker, Hubert Mahler, Christian Heyde, Mareike Röll, Albert Gollhofer
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2017-01-01
Series:PLoS ONE
Online Access:https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0181781&type=printable
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author Kai Roecker
Hubert Mahler
Christian Heyde
Mareike Röll
Albert Gollhofer
author_facet Kai Roecker
Hubert Mahler
Christian Heyde
Mareike Röll
Albert Gollhofer
author_sort Kai Roecker
collection DOAJ
description The relationship between the time duration of movement (t(dur)) and related maximum possible power output has been studied and modeled under many conditions. Inspired by the so-called power profiles known for discontinuous endurance sports like cycling, and the critical power concept of Monod and Scherrer, the aim of this study was to evaluate the numerical characteristics of the function between maximum horizontal movement velocity (HSpeed) and t(dur) in soccer. To evaluate this relationship, GPS data from 38 healthy soccer players and 82 game participations (≥30 min active playtime) were used to select maximum HSpeed for 21 distinct t(dur) values (between 0.3 s and 2,700 s) based on moving medians with an incremental t(dur) window-size. As a result, the relationship between HSpeed and Log(t(dur)) appeared reproducibly as a sigmoidal decay function, and could be fitted to a five-parameter equation with upper and lower asymptotes, and an inflection point, power and decrease rate. Thus, the first three parameters described individual characteristics if evaluated using mixed-model analysis. This study shows for the first time the general numerical relationship between t(dur) and HSpeed in soccer games. In contrast to former descriptions that have evaluated speed against power, HSpeed against t(dur) always yields a sigmoidal shape with a new upper asymptote. The evaluated curve fit potentially describes the maximum moving speed of individual players during the game, and allows for concise interpretations of the functional state of team sports athletes.
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spelling doaj-art-b8946b3a4e1a47a9aeb3a85a1d8669a12025-01-17T05:32:05ZengPublic Library of Science (PLoS)PLoS ONE1932-62032017-01-01127e018178110.1371/journal.pone.0181781The relationship between movement speed and duration during soccer matches.Kai RoeckerHubert MahlerChristian HeydeMareike RöllAlbert GollhoferThe relationship between the time duration of movement (t(dur)) and related maximum possible power output has been studied and modeled under many conditions. Inspired by the so-called power profiles known for discontinuous endurance sports like cycling, and the critical power concept of Monod and Scherrer, the aim of this study was to evaluate the numerical characteristics of the function between maximum horizontal movement velocity (HSpeed) and t(dur) in soccer. To evaluate this relationship, GPS data from 38 healthy soccer players and 82 game participations (≥30 min active playtime) were used to select maximum HSpeed for 21 distinct t(dur) values (between 0.3 s and 2,700 s) based on moving medians with an incremental t(dur) window-size. As a result, the relationship between HSpeed and Log(t(dur)) appeared reproducibly as a sigmoidal decay function, and could be fitted to a five-parameter equation with upper and lower asymptotes, and an inflection point, power and decrease rate. Thus, the first three parameters described individual characteristics if evaluated using mixed-model analysis. This study shows for the first time the general numerical relationship between t(dur) and HSpeed in soccer games. In contrast to former descriptions that have evaluated speed against power, HSpeed against t(dur) always yields a sigmoidal shape with a new upper asymptote. The evaluated curve fit potentially describes the maximum moving speed of individual players during the game, and allows for concise interpretations of the functional state of team sports athletes.https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0181781&type=printable
spellingShingle Kai Roecker
Hubert Mahler
Christian Heyde
Mareike Röll
Albert Gollhofer
The relationship between movement speed and duration during soccer matches.
PLoS ONE
title The relationship between movement speed and duration during soccer matches.
title_full The relationship between movement speed and duration during soccer matches.
title_fullStr The relationship between movement speed and duration during soccer matches.
title_full_unstemmed The relationship between movement speed and duration during soccer matches.
title_short The relationship between movement speed and duration during soccer matches.
title_sort relationship between movement speed and duration during soccer matches
url https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0181781&type=printable
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