Evidence map›Paper›PMID 34579516›Full record

ArticleEuropean journal of translational myology2021

A systematic review of intervention programs that produced changes in speed and explosive strength in youth footballers.

Marco Cossio-Bolaños, Ruben Vidal-Espinoza, Camilo Urra Albornoz, Daniel Leite Portella, Sebastian Vega-Novoa, Jorge Mendez-Cornejo, Jose Fuentes Lopez, Rossana Gomez-Campos

Abstract read
In one paragraph

Article in European journal of translational myology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing 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

5 citing papers in PubMed.

  1. 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

8 authors.

Marco Cossio-BolañosDepartamento de Ciencias de la Actividad Física, Universidad Católica del Maule, Talca. mcossio1972@hotmail.com.
Ruben Vidal-EspinozaUniversidad Católica Silva Henriquez, Santiago. rvidale@gmail.com.
Camilo Urra AlbornozEscuela de Kinesiología, Facultad de Salud, Universidad Santo Tomás. c.urra.albornoz@gmail.com.
Daniel Leite PortellaPrograma de Mestrado em Inovação no Ensino Superior em Saúde, Universidade Municipal de São Caetano do Sul (Uscs), São Caetano do Sul. daniel.portella@prof.uscs.edu.br.
Sebastian Vega-NovoaUniversidad Autónoma de Chile, Talca, Chile. sveganovoa@gmail.com.
Jorge Mendez-CornejoDepartamento de Ciencias de la Actividad Física, Universidad Católica del Maule, Talca. jmendez@ucm.cl.
Jose Fuentes LopezInstituto de Investigación en Ciencias de la Educación (IICE), Universidad Nacional del Altiplano de Puno, Puno. jofuel@hotmail.com.
Rossana Gomez-CamposDepartamento de Diversidad e Inclusividad Educativa, Universidad Católica del Maule, Talca. rossaunicamp@gmail.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A soccer player should possess a reasonable level of different skills and abilities, so the playing position, level of training, style of play, physical and physiological demands can influence his performance. The objective was to identify the intervention programs that have been applied in search of generating positive effects on explosive strength and speed in young soccer players, as well as to identify the percentage of improvement among soccer players. A bibliographic study of systematic review was carried out. Following the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) statement, bibliographic searches were performed in the PubMed database. The following descriptors were used: Explosive Strength, soccer players, jump performance, CMJ, SJ, VJ, Plyometrics, power, speed, sprint, kicking speed, change of direction speed, soccer player, football and training, intervention. Articles were included only if they were original articles, studied populations of young soccer players and showed an intervention program related to explosive strength and speed. Six studies were identified that applied intervention programs to look for changes in speed and explosive strength in young soccer players. In the 5m speed tests, significant changes were observed, improving from (0.26 to 0.53m/s), 10m speed (0.07 to 0.27m/s), 20m speed (0.08 to 1.92m/s) and 40m speed (0.25 to 0.62m/s). In explosive strength, performance in the test squat jump SJ (4.1 to 8.6cm), countermovement jump CMJ (1.0 to 8.8cm), horizontal jump HJ (12.17 to 24.4cm) and vertical jump VJ (5.0 to 11.0cm). Speed and explosive strength are relevant components of athletic performance and can be improved through training programs that include 20 to 40min sessions, training two to five times per week over a period of approximately 6 to 9 weeks.

Identifiers

PMID34579516
PMCPMC8495364

What OpenQuestion holds

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LicenceCC BY-NC
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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.