Evidence map›Paper›PMID 34603146›Full record

ArticleFrontiers in psychology2021

The Effect of Squad Rotation on Physical Activity at the 2018 World Cup in Russia. Analysis the Most Exploited Players of the 4 Best Teams.

Michał Kołodziejczyk, Paweł Chmura, Marek Konefał, Jan Chmura, Andrzej Rokita, Marcin Andrzejewski

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Article in Frontiers in psychology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Michał KołodziejczykDepartment of Team Games, University School of Physical Education, Wrocław, Poland.
Paweł ChmuraDepartment of Team Games, University School of Physical Education, Wrocław, Poland.
Marek KonefałDepartment of Biological and Motor Sport Bases, University School of Physical Education, Wrocław, Poland.
Jan ChmuraDepartment of Biological and Motor Sport Bases, University School of Physical Education, Wrocław, Poland.
Andrzej RokitaDepartment of Team Games, University School of Physical Education, Wrocław, Poland.
Marcin AndrzejewskiDepartment of Methodology of Recreation, Poznań University of Physical Education, Poznań, Poland.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The purpose of this study was to examine how the four best teams in the 2018 Football Men's World Cup rotate by squad and how this impact the physical activity of the teams in consecutive rounds. The study sample consisted of the 31 players of the 4 best teams, who played in every tournament match, except for the third game of the group stage. The analysis included 186 observations and was carried out on the most exploited players (MEP) excluding goalkeepers, who played at least 450 mins (5 full matches) in the tournament. The analysis was conducted using data collected by an advanced motion analysis system known as STATS®. The selected physical activity parameters analyzed included: total distance covered (m/min), distance covered at various intensity ranges (m/min), top speed (km/h), and number of sprints performed. It was found that all four teams in the third match of the group stage have performed the largest number of rotations with most exploited players and introduced the highest number of rested players (7.75 ± 2.06). A significant increase was observed between the second and fourth match in the 0-7 km/h distance covered (37.99 ± 3.19-39.23 ± 3.35 m/min) and the top speed (28.12 ± 2.22-29.21 ± 2.64 km/h)-

Indexed as

distance coveredhigh intensitymatch analysisrotation of playerssoccersprints

Identifiers

PMID34603146
PMCPMC8484307

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.