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感知运动强度和基于跑步的变量的急性：慢性工作量比率对于检测整个赛季中球员位置之间的差异是否敏感？一项足球队研究。

Are acute:chronic workload ratios of perceived exertion and running based variables sensible to detect variations between player positions over the season? A soccer team study.

作者信息

Nobari Hadi, Arslan Ersan, Martins Alexandre Duarte, Oliveira Rafael

机构信息

Sports Scientist, Sepahan Football Club, Isfahan, Iran.

Department of Exercise Physiology, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran.

出版信息

BMC Sports Sci Med Rehabil. 2022 Mar 28;14(1):51. doi: 10.1186/s13102-022-00445-x.

DOI:10.1186/s13102-022-00445-x
PMID:35346345
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8958769/
Abstract

BACKGROUND

The aim of this study was to describe and compare the in-season variations of acute: chronic workload ratio (ACWR) coupled, uncoupled, and exponentially weighted moving average (EWMA) through session rating of perceived exertion (s-RPE), total distance (TD), high-speed running distance (HSRD) and sprint distance (SPRINT) in three different periods of an elite soccer season according to player positions.

METHODS

Twenty male elite players (age: 29.4 ± 4.4) from an Asian First League team were daily monitored for twenty consecutive weeks during the 2017-2018 in-season. Forty-seven trainings and twenty matches were monitored using global positioning system units (GPS) to collect TD, HSRD and SPRINT. Through the collection of s-RPE, TD, HSRD, and SPRINT by ACWR and EWMA were calculated for each training session.

RESULTS

The results revealed that according to different periods of the season, workload measures observed in mid-season were meaningfully higher compared with early-season (g = ranging from 0.53 to 4.98) except for EWMA. In general, wingers and strikers tended to have greater scores in workload measures compared to the defenders and midfielders (g = ranging from 0.41 to 5.42).

CONCLUSIONS

These findings may provide detailed information for coaches and sports scientists regarding the variations of acute and chronic workload ratio and external loading in-season and between player positions in an elite soccer team.

摘要

背景

本研究旨在通过主观用力感觉评分（s-RPE）、总距离（TD）、高速奔跑距离（HSRD）和冲刺距离（SPRINT），描述并比较精英足球赛季三个不同阶段中，按球员位置划分的急性：慢性工作量比值（ACWR）、非耦合和指数加权移动平均（EWMA）的赛季内变化情况。

方法

对一支亚洲顶级联赛球队的20名男性精英球员（年龄：29.4 ± 4.4）在2017 - 2018赛季的赛季内连续20周进行每日监测。使用全球定位系统设备（GPS）对47次训练和20场比赛进行监测，以收集TD、HSRD和SPRINT数据。通过收集s-RPE，计算每次训练课的ACWR和EWMA的TD、HSRD及SPRINT数据。

结果

结果显示，根据赛季不同阶段，除EWMA外，赛季中期观察到的工作量指标显著高于赛季早期（效应量g = 0.53至4.98）。总体而言，边锋和前锋在工作量指标上的得分往往高于后卫和中场球员（效应量g = 0.41至5.42）。

结论

这些发现可能为教练和体育科学家提供详细信息，涉及精英足球队中急性和慢性工作量比值的变化以及赛季内和球员位置之间的外部负荷情况。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/545a/8958769/2fab6172dddb/13102_2022_445_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/545a/8958769/3b692a5df70c/13102_2022_445_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/545a/8958769/8c93b47b5a8a/13102_2022_445_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/545a/8958769/893ee475b142/13102_2022_445_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/545a/8958769/2fab6172dddb/13102_2022_445_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/545a/8958769/3b692a5df70c/13102_2022_445_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/545a/8958769/8c93b47b5a8a/13102_2022_445_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/545a/8958769/893ee475b142/13102_2022_445_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/545a/8958769/2fab6172dddb/13102_2022_445_Fig4_HTML.jpg

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