Evidence map›Paper›PMID 41345382›Full record

ReviewSports medicine (Auckland, N.Z.)2026

The Contact Conundrum: Are We Introducing Contact at the Correct Time in Youth Sports?

Stephen W West, Sharief Hendricks, Sean P Cumming, Kathryn Dane, Siobhán O'Connor, Ben Jones, Brooke Patterson, Ash T Kolstad, Steven Broglio, Carolyn A Emery and 1 more

Abstract readReview
In one paragraph

Review in Sports medicine (Auckland, N.Z.), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. Article
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

11 authors.

Stephen W WestCentre for Health, and Injury and Illness Prevention in Sport, Department for Health, University of Bath, Bath, UK. S.West@bath.ac.uk.ORCID 0000-0001-5800-7000
Sharief HendricksDivision of Physiological Sciences and Health through Physical Activity, Lifestyle and Sport, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa.ORCID 0000-0002-3416-6266
Sean P CummingCentre for Health, and Injury and Illness Prevention in Sport, Department for Health, University of Bath, Bath, UK.ORCID 0000-0003-1705-9642
Kathryn DaneSport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Calgary, Canada.ORCID 0000-0001-8083-6278
Siobhán O'ConnorSchool of Health and Human Performance, Dublin City University, Dublin, Ireland.ORCID 0000-0002-2001-0746
Ben JonesDivision of Physiological Sciences and Health through Physical Activity, Lifestyle and Sport, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa.ORCID 0000-0002-4274-6236
Brooke PattersonLa Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Melbourne, VIC, Australia.ORCID 0000-0002-6570-5429
Ash T KolstadSport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Calgary, Canada.ORCID 0000-0002-2994-9880
Steven BroglioUniversity of Michigan Concussion Center, University of Michigan, Ann Arbor, MI, USA.ORCID 0000-0002-2282-9325
Carolyn A EmerySport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Calgary, Canada.ORCID 0000-0002-9499-6691
Carly D McKayCentre for Health, and Injury and Illness Prevention in Sport, Department for Health, University of Bath, Bath, UK.ORCID 0000-0001-7664-3211

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Participation in sport offers numerous physiological, psychological, and social benefits, yet injury remains an inherent risk, particularly in collision-based sports. Increasing scrutiny surrounds these sports, especially for youth, with inconsistency in the age for introducing deliberate contact (e.g., body checking, tackle) and debate regarding proposals for banning high-risk actions to reduce injuries. This article explores the policies and controversies regarding how, and when, physical contact is introduced in sports. Current policies vary significantly across sports, sexes, and national jurisdictions, leading to inconsistent implementation and outcomes. We outline arguments for both delaying and lowering the contact introduction age, including implications for participation rates, skill acquisition, and injury risk. Raising the age may reduce injury history and cumulative head impacts, while earlier, progressive contact training may enhance technical competence. Growth, maturation and size discrepancies further complicate such policy decisions. Evidence supports multimodal approaches, including training guidelines (e.g., reduced contact in practices), neuromuscular training, and rule modifications, to enhance safety without compromising play. Weight-based categorisation and bio-banding (grouping players by attributes associated with growth and/or maturation instead of chronological age) strategies show potential for injury-risk reduction but lack comprehensive evaluation. Despite polarised opinions, developing sport-specific recommendations on best practices for contact introduction remains critical to ensuring athlete welfare and sustainable participation in collision sports.

Indexed as

Athletic InjuriesYouth SportsAdolescentAge FactorsChildHumansPhysical Conditioning, Human

Identifiers

PMID41345382
PMCPMC13017993

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.