Evidence map›Paper›PMID 37104163›Full record

ArticleSports (Basel, Switzerland)2023

Low Pre-Season Hamstring-to-Quadriceps Strength Ratio Identified in Players Who Further Sustained In-Season Hamstring Strain Injuries: A Retrospective Study from a Brazilian Serie A Team.

Filipe Veeck, Cassio V Ruas, Matheus Daros Pinto, Rafael Grazioli, Gustavo Pacheco Cardoso, Thiago Albuquerque, Lucas Schipper, Henrique Gonçalves Valente, Victor H Santos, Márcio Dornelles and 5 more

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Sports (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing 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

4 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. Review
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

15 authors.

Filipe VeeckExercise Research Laboratory, School of Physical Education, Physiotherapy and Dance, Federal University of Rio Grande do Sul, Porto Alegre 90690-200, Brazil.ORCID 0000-0002-9919-767X
Cassio V RuasBrazilian Institute of Neuroscience and Neurotechnology, Institute of Physics Gleb Wataghin, University of Campinas, São Paulo 13083-854, Brazil.ORCID 0000-0002-6876-7190
Matheus Daros PintoSchool of Medical and Health Sciences, Edith Cowan University, Joondalup 6027, Australia.ORCID 0000-0002-2616-2492
Rafael GrazioliExercise Research Laboratory, School of Physical Education, Physiotherapy and Dance, Federal University of Rio Grande do Sul, Porto Alegre 90690-200, Brazil.
Gustavo Pacheco CardosoMedical and Technical Department, Grêmio Foot-Ball Porto Alegrense, Porto Alegre 90250-590, Brazil.
Thiago AlbuquerqueMedical and Technical Department, Grêmio Foot-Ball Porto Alegrense, Porto Alegre 90250-590, Brazil.
Lucas SchipperMedical and Technical Department, Grêmio Foot-Ball Porto Alegrense, Porto Alegre 90250-590, Brazil.
Henrique Gonçalves ValenteMedical and Technical Department, Grêmio Foot-Ball Porto Alegrense, Porto Alegre 90250-590, Brazil.
Victor H SantosMedical and Technical Department, Grêmio Foot-Ball Porto Alegrense, Porto Alegre 90250-590, Brazil.ORCID 0009-0000-4010-8401
Márcio DornellesMedical and Technical Department, Grêmio Foot-Ball Porto Alegrense, Porto Alegre 90250-590, Brazil.
Paulo RabaldoMedical and Technical Department, Grêmio Foot-Ball Porto Alegrense, Porto Alegre 90250-590, Brazil.
Clarice S RochaExercise Research Laboratory, School of Physical Education, Physiotherapy and Dance, Federal University of Rio Grande do Sul, Porto Alegre 90690-200, Brazil.
Bruno Manfredini BaroniPhysical Therapy Department, Federal University of Health Sciences of Porto Alegre, Porto Alegre 90050-170, Brazil.
Eduardo Lusa CadoreExercise Research Laboratory, School of Physical Education, Physiotherapy and Dance, Federal University of Rio Grande do Sul, Porto Alegre 90690-200, Brazil.ORCID 0000-0003-4397-9485
Ronei Silveira PintoExercise Research Laboratory, School of Physical Education, Physiotherapy and Dance, Federal University of Rio Grande do Sul, Porto Alegre 90690-200, Brazil.ORCID 0000-0002-5827-5723

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A common pre-season injury prevention assessment conducted by professional football clubs is the hamstring-to-quadriceps (H:Q) strength ratio calculated by peak torque (PT). However, it is debatable whether players that present low pre-season H:Q ratios are more susceptible to further sustaining in-season hamstring strain injuries (HSI). Based upon retrospective data from a Brazilian Serie A football squad, a particular season came to our attention as ten out of seventeen (~59%) professional male football players sustained HSI. Therefore, we examined the pre-season H:Q ratios of these players. H:Q conventional (CR) and functional (FR) ratios, and the respective knee extensor/flexor PT from the limbs of players further sustaining in-season HSI (injured players, IP) were compared to the proportional number of dominant/non-dominant limbs from uninjured players (UP) in the squad. FR and CR were ~18-22% lower (

Indexed as

footballhamstring strain injuryisokineticmuscle strength balancepeak torque

Identifiers

PMID37104163
PMCPMC10140913

What OpenQuestion holds

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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.