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A Study of Head Impacts and Playing Characteristics in Male Soccer Players

The Relationship Between Head Impact Exposure and Playing Characteristics in Male Soccer Players - The Relationship Between Head Impact Exposure and Playing Characteristics in Male Soccer Players

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000061240
Enrollment
10
Registered
2026-04-13
Start date
2026-06-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Sports-related concussion

Interventions

None listed

Sponsors

Niigata University of Health and Welfare
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1. Male soccer players belonging to a university soccer team 2. Individuals who have received an explanation of the study and provided written informed consent 3. Individuals who are scheduled to participate in regular training sessions and matches during the measurement period 4. Individuals with no history of head injury within 3 months prior to enrollment 5. Individuals with no ophthalmologic disease that may interfere with ocular motor function assessment

Exclusion criteria

Exclusion criteria: 1. Individuals who discontinue or withdraw from sports participation during the measurement period because of injury or other health-related problems 2. Individuals who sustain a new head injury during the measurement period 3. Individuals otherwise judged by the principal investigator to be unsuitable for participation in this study

Design outcomes

Primary

MeasureTime frame
Head impact acceleration (G) measured using a mouthguard-based accelerometer during training and matches

Secondary

MeasureTime frame
Ocular motor function (Vergence SD) assessed after training and matches, on the following day, 1 week later, 1 month later, 3 months later, and 1 year later

Countries

Japan

Contacts

Public ContactAkira Kumazaki

Niigata University of Health and Welfare Department of Health and Sports, Faculty of Health Sciences

kumazaki@nuhw.ac.jp0252574315

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026