Evidence map›Paper›PMID 33613301›Full record

ArticleFrontiers in physiology2020

Analysis of Fitness Status Variations of Under-16 Soccer Players Over a Season and Their Relationships With Maturational Status and Training Load.

Hadi Nobari, Ana Filipa Silva, Filipe Manuel Clemente, Marefat Siahkouhian, Miguel Ángel García-Gordillo, José Carmelo Adsuar, Jorge Pérez-Gómez

Abstract read
In one paragraph

Article in Frontiers in physiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed, 1 pooled it
–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

38 citing papers in PubMed, 1 synthesis or guideline pooled it.

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  9. The Aging Curve: How Age Affects Physical Performance in Elite Football.Journal of functional morphology and kinesiology · 2025
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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

7 authors.

Hadi NobariDepartment of Exercise Physiology, Faculty of Sport Sciences, University of Isfahan, Isfahan, Iran.
Ana Filipa SilvaEscola Superior Desporto e Lazer, Instituto Politécnico de Viana do Castelo, Rua Escola Industrial e Comercial de Nun'Álvares, Viana do Castelo, Portugal.
Filipe Manuel ClementeEscola Superior Desporto e Lazer, Instituto Politécnico de Viana do Castelo, Rua Escola Industrial e Comercial de Nun'Álvares, Viana do Castelo, Portugal.
Marefat SiahkouhianDepartment of Sport Sciences, University of Mohaghegh Ardabili, Ardabil, Iran.
Miguel Ángel García-GordilloThe Research Centre in Sports Sciences, Health Sciences and Human Development (CIDESD), Vila Real, Portugal.
José Carmelo AdsuarHEME Research Group, Faculty of Sport Sciences, University of Extremadura, Cáceres, Spain.
Jorge Pérez-GómezHEME Research Group, Faculty of Sport Sciences, University of Extremadura, Cáceres, Spain.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The purposes of this study were (i) to analyze the variations in maximal oxygen consumption (VO

Indexed as

footballinternal loadmonitoringperformanceyouth

Identifiers

PMID33613301
PMCPMC7892949

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.