This three-year study will determine the effectiveness of a helmetless tackling training intervention to decrease head impact exposure in Hawaiian high school football players.
Age range
14 Years – 19 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Head Impact Exposure Change from Baseline
Timeframe: At the end of three (3) regular football seasons. Season 1 as baseline, seasons 2 and 3 compared against season 1. Each season spanning approximately 13 weeks (July - October)
Neurocognitive performance Change from Baseline
Timeframe: Before and at the end of three (3) regular football seasons. Season 1 as baseline, seasons 2 and 3 compared against season 1. Each season spanning approximately 13 weeks (July - October)
Self-report Symptom Scores Change from Baseline
Timeframe: At the end of three (3) regular football seasons. Season 1 as baseline, seasons 2 and 3 compared against season 1. Each season spanning approximately 13 weeks (July - October)
Player self-efficacy for achieving and reinforcing head protective behaviors during tackling and blocking Change from Baseline
Timeframe: At the end of three (3) regular football seasons. Season 1 as baseline, seasons 2 and 3 compared against season 1. Each season spanning approximately 13 weeks (July - October)
Coach self-efficacy for achieving and reinforcing head protective behaviors during tackling and blocking Change from Baseline
Timeframe: At the end of three (3) regular football seasons. Season 1 as baseline, seasons 2 and 3 compared against season 1.Each season spanning approximately 13 weeks (July - October)