Helmet Impact Testing
Helmet Impact Testing - Related Videos
07:08
Modified Drop Tower Impact Tests for American Football Helmets
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Cited by 5 •
2017
This article provides a novel technique to assess the performance characteristics of American football helmets by inclusion of faceguards during NOCSAE Standard drop tests. Additionally, two more impact locations are proposed to be added to the NOCSAE certification.
07:30
A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact
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Cited by 8 •
2017
Using an anthropometric head and neck, optical fiber-based fit force transducers, an array of head acceleration and neck force/moment transducers, and a dual high speed camera system, we present a test bed to study helmet retention and effects on biomechanical measures of head and neck injury secondary to head impact.
07:02
An Investigation of the Effects of Sports-related Concussion in Youth Using Functional Magnetic Resonance Imaging and the Head Impact Telemetry System
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Cited by 5 •
2011
This article provides an overview of a multi-modal approach to mild traumatic brain injury diagnosis and recovery in youth. This approach combines neuropsychological testing with functional magnetic resonance imaging and the Head Impact Telemetry System to monitor the relationship between head impacts and brain activity during cognitive testing.
06:58
Highlighting and Reducing the Impact of Negative Aging Stereotypes During Older Adults' Cognitive Testing
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Cited by 5 •
2020
Here, we present a protocol designed to show how negative aging stereotypes can impair memory performance of older adults during cognitive testing and how to reduce this deleterious effect. This method can help older people to perform at an optimal level during testing in both lab studies and clinical settings.
01:19
Impact of Groups on Groups
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2025
Social psychologists analyze how groups influence one another, shaping social structures and interactions through both cooperation and competition. These dynamics manifest in various ways, ranging from economic partnerships to intergroup conflicts that shape societal structures and perceptions.Cooperation and Competition in Intergroup RelationsIntergroup relationships vary across contexts, sometimes fostering cooperation and mutual benefit while at other times leading to conflict and...
FAQs
The liner plays a central role by deforming during impact and absorbing energy before it reaches the headform. The extent and pattern of this deformation influence the acceleration, force, and related motion recorded by the sensors. Comparing these measurements helps bioengineers determine whether a material or design reduces transmitted loads more effectively under the same controlled conditions.
Acceleration, force, and related head motion provide complementary information about how an impact affects the instrumented headform. Researchers examine these measurements to evaluate impact attenuation and identify conditions associated with elevated injury risk. Considering multiple measurements rather than a single value supports more informative comparisons among helmet materials, structural designs, and test conditions.
Controlled surfaces, impact configurations, and helmet placement make results more comparable across tests. When the relevant conditions remain defined, changes in measured acceleration, force, or motion can be more confidently associated with the helmet’s material or design rather than uncontrolled differences in the blow. This consistency is essential for evaluating performance and supporting protective-equipment standards.
A typical procedure fits the helmet onto an instrumented headform, applies a defined impact by striking a controlled surface or delivering a controlled blow, and records the resulting headform response. Sensors capture acceleration, force, and related motion while the liner deforms. Researchers then use these measurements to assess impact attenuation and compare the tested configuration with alternatives.
Researchers use the method to compare candidate materials and helmet designs, examine how effectively they attenuate impact, and identify configurations associated with higher measured loads or motion. These results can guide design decisions before protective equipment is evaluated for broader use. The approach also provides evidence for developing or assessing standards across sports, transportation, and occupational settings.
In bioengineering, measured headform responses connect helmet performance with mechanical conditions associated with injury risk. The data help investigators study how design and material choices alter transmitted forces and motion, rather than relying only on visual damage assessment. Findings can inform strategies for reducing traumatic brain injury and improving protective equipment used in real-world environments.