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Related Experiment Video

Updated: Jun 6, 2025

Modified Drop Tower Impact Tests for American Football Helmets

Modified Drop Tower Impact Tests for American Football Helmets

Published on: February 19, 2017

Hawaiian High School Football Player Positional Differences in Helmet Impact Characteristics.

Kiera D Glodowski¹, Bret Freemyer², Jay L Myers³

¹University of Hawai'i at Manoa, Department of Kinesiology & Rehabilitation Science.

Journal of Athletic Training

|December 3, 2024

Summary

High school football players in linebacker, tight end, and running back positions experience significantly higher head impacts per exposure (Imp/E) and cumulative head impact burden compared to other positions. These findings emphasize the need for position-specific injury prevention strategies in football.

Keywords:

Head impact frequency head impact burden traumatic brain injury

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Last Updated: Jun 6, 2025

Modified Drop Tower Impact Tests for American Football Helmets

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Published on: February 19, 2017

A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact

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In Vivo Protocol of Controlled Subconcussive Head Impacts for the Validation of Field Study Data

In Vivo Protocol of Controlled Subconcussive Head Impacts for the Validation of Field Study Data

Published on: April 18, 2019

Area of Science:

Sports Medicine
Biomechanics
Injury Prevention

Background:

Head impact exposure analysis is crucial in football, yet differences across high school player positions remain understudied.
Understanding positional variations in head impacts can inform targeted intervention strategies for coaches and healthcare providers.

Purpose of the Study:

To quantify and compare head impacts per exposure (Imp/E) and cumulative head impact burden among different high school football player position groups.

Main Methods:

A prospective observational study involving 200 high school varsity football players across three teams.
Players were categorized into linemen, backers (linebackers, running backs, tight ends), and skills (cornerbacks, safeties, wide receivers) groups.
Head impacts were measured to determine Imp/E and cumulative burden, analyzed by position and impact location.

Main Results:

The backers group exhibited significantly higher total Imp/E (3.77) compared to linemen (1.47) and skill players (1.56).
Total accumulated head impact burden was significantly higher in backers (4622.85g's) than in linemen (2657.70g's) and skill players (2875.7g's).
Front-location impact burden was significantly greater for backers (1606.24g's) compared to linemen (768.24g's) and skill players (567.75g's).

Conclusions:

Linebackers, tight ends, and running backs sustain a higher frequency and burden of head impacts, suggesting positional demands influence exposure.
These findings highlight the importance of considering specific football position roles when developing head impact mitigation strategies.
Awareness of position-specific head impact risks is essential for coaches and healthcare professionals to implement effective interventions.