Evidence map›Paper›PMID 38569694›Full record

Observational studyBMJ open2024

Head impact differences in blind football between Rio 2016 and Tokyo 2020 Paralympic Games: video-based observational study.

Shogo Tsutsumi, Junpei Sasadai, Noriaki Maeda, Yuki Tamura, Takumi Nagao, Tomoya Watanabe, Satoshi Arima, Kazuki Kaneda, Mitsuhiro Yoshimi, Rami Mizuta and 7 more

Abstract readObservational Study
PubMed Full text at PMC Publisher
In one paragraph

Observational study in BMJ open, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

17 authors.

Shogo TsutsumiGraduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.ORCID 0000-0002-6779-8083
Junpei SasadaiSports Medical Center, Japan Institute of Sports Sciences (JISS), Tokyo, Japan.ORCID 0000-0001-6134-4577
Noriaki MaedaGraduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
Yuki TamuraGraduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
Takumi NagaoGraduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
Tomoya WatanabeGraduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
Satoshi ArimaGraduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
Kazuki KanedaGraduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
Mitsuhiro YoshimiGraduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
Rami MizutaGraduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
Honoka IshiharaGraduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
Reia ShimizuSports Medical Center, Japan Institute of Sports Sciences (JISS), Tokyo, Japan.
Kazuki FukuiJapan Para Badminton Federation, Tokyo, Japan.ORCID 0000-0001-9368-6993
Tsubasa TashiroGraduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
Makoto KomiyaGraduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
Akira SuzukiSports Medical Center, Japan Institute of Sports Sciences (JISS), Tokyo, Japan.
Yukio UrabeGraduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan yurabe@hiroshima-u.ac.jp.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveIn Tokyo 2020 Paralympic Games, there were the rule and goal size changes at the blind football competition. This study aimed to compare the scoring and head impact characteristics during blind football competition between the Rio 2016 and Tokyo 2020 Paralympic Games using the official videos.

designVideo-based observational study.

participantsIn total, 36 blind football (men's football 5-a-side) game videos were obtained from the official International Paralympic Committee. PRIMARY AND SECONDARY OUTCOME MEASURES: Head impact was defined as the sudden contact of any object with the head. Videos were analysed to assess the number of scores and head impacts along with their corresponding details (ie, round, playing phase, scoring situation, impact situation, occurrence area, impact object, head impact site, fall and foul).

resultsThe total number of goals scored at the Tokyo 2020 Paralympic Games was nearly double that at the Rio 2016 Paralympic Games. Regarding head impacts, a total of 2036 cases (Rio 2016, n=1105; Tokyo 2020, n=931) were evaluated. Significant differences were observed in head impact characteristics between the Rio 2016 and Tokyo 2020 Paralympic Games among seven outcomes (round, scoring situation, impact situation, occurrence area, impact object, site of head impact and fall).

conclusionsCompared with the Rio 2016 Paralympic Games, the Tokyo 2020 Paralympic Games showed an increase in the number of points scored and different head impact characteristics.

Indexed as

SoccerHumansMaleTokyoVideo Recordingfactor analysis, statisticalorthopaedic sports traumasports medicine

Identifiers

PMID38569694
PMCPMC10989142

What OpenQuestion holds

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LicenceCC BY-NC
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Registered trials

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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.