Evidence map›Paper›PMID 30927025›Full record

ArticleKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2020

Decreased external rotation strength is a risk factor for overuse shoulder injury in youth elite handball athletes.

Leonard Achenbach, Lior Laver, Sven Stephan Walter, Florian Zeman, Matthias Kuhr, Werner Krutsch

Abstract read
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In one paragraph

Article in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed, 2 pooled it
8.4field-weighted citation impact, top 2% of its field
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

31 citing papers in PubMed, 2 syntheses or guidelines pooled it, 84 citations in OpenAlex.

  1. Pooled it
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  8. The Impact of Fascial ManipulationDiagnostics (Basel, Switzerland) · 2024
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  19. Risk factors for shoulder injuries in handball: systematic review.BMC sports science, medicine & rehabilitation · 2022
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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 at 3 institutions in 2 countries.

Leonard AchenbachDepartment of Trauma Surgery, University Medical Centre Regensburg, Regensburg, Germany. leonardachenbach@gmail.com.ORCID http://orcid.org/0000-0002-9053-0624
Lior LaverThe Royal Orthopaedic Hospital, Birmingham, UK.
Sven Stephan WalterDepartment for Diagnostic and Interventional Radiology, University Hospital Tuebingen, Tuebingen, Germany.
Florian ZemanCentre for Clinical Studies, University Medical Centre Regensburg, Regensburg, Germany.
Matthias KuhrOrthopaedic Centre Erlangen, Erlangen, Germany.
Werner KrutschDepartment of Trauma Surgery, University Medical Centre Regensburg, Regensburg, Germany.
University Hospital Regensburg · DERoyal Orthopaedic Hospital · GBUniversitätsklinikum Erlangen · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeOveruse shoulder injuries are common in youth handball, but research is limited. The purpose of this study was to identify pre-season risk factors associated with overuse shoulder injuries in this population.

methodsOne-hundred and thirty-eight (70 boys and 68 girls) youth elite players (age 14.1 ± 0.8 years, height 175.2 ± 8.2 cm, weight 64.0 ± 9.6 kg) completed a pre-season screening protocol. Passive glenohumeral range of motion and maximum external (ER) and internal rotation (IR) strength were measured with a manual goniometer and a hand-held dynamometer. Scapular dyskinesia and maximum throwing velocity were also assessed. Players completed standardised questionnaires over the 2017-2018 season and reported any overuse shoulder symptoms.

resultsDecreased isometric and eccentric ER strength was identified as a risk factor for overuse shoulder injury, both for absolute (OR 10.70, 95% CI 1.2-95.6, p = 0.034) and normalised ER strength (OR 1.2, 95% CI 1.0-1.4, p = 0.015) and the ER:IR strength ratio (OR 1.2, 95% CI 1.1-1.5, p = 0.012). ER gain of more than 7.5° (p = 0.025) and GIRD of more than 7.5° (p = 0.014) were identified as risk factors for overuse shoulder injury in girls. Scapular dyskinesia (OR 1.1, n.s.) and maximum throwing velocity did not seem to contribute to injury risk. The average response rate was 63%.

conclusionIn elite youth handball, deficits in ER strength is a risk factor for overuse shoulder injury for both sexes; ER gain and GIRD are only risk factors for girls. Focused pre-season assessments may aid the identification of risk factors for shoulder overuse injuries and the application of specific programmes to reduce risk. LEVEL OF EVIDENCE: II.

Indexed as

AthletesShoulder InjuriesAdolescentAthletic InjuriesFemaleHumansMaleProspective StudiesRange of Motion, ArticularRisk FactorsShoulder JointSurveys and QuestionnairesExternal rotation gainGIRDGoniometryHand-held dynamometryOverheadRange of motionScapular dyskinesiaThrowing

Identifiers

PMID30927025
OpenAlexW2929900161

What OpenQuestion holds

Textmetadata
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.