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Updated: Feb 2, 2026

$Pseudofracture: An Acute Peripheral Tissue Trauma Model$

Pseudofracture: An Acute Peripheral Tissue Trauma Model

Published on: April 18, 2011

Subconcussive trauma.

Eric A Nauman¹, Thomas M Talavage²

¹School of Mechanical Engineering, Weldon School of Biomedical Engineering and Department of Basic Medical Sciences, Purdue University, West Lafayette, IN, United States.

Handbook of Clinical Neurology

|November 29, 2018

Summary

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Repetitive head impacts, even without concussion symptoms, can harm neural integrity. Understanding and mitigating these subconcussive head impacts is crucial for athlete safety and brain health.

Area of Science:

Sports Medicine
Neuroscience
Neurology

Background:

Subconcussive head impacts, or head acceleration events without immediate symptoms, can alter neural integrity.
Athletes often continue participating in sports after subconcussive impacts, leading to unknown long-term consequences.
Neuroimaging studies indicate that repetitive head impact exposures are linked to neurological changes, including brain inflammation.

Purpose of the Study:

To highlight the importance of addressing subconcussive head impacts in addition to concussions.
To emphasize the need for research into the mechanisms, risk factors, and mitigation strategies for head impact exposure.
To advocate for a shift towards a comprehensive approach to athlete brain health monitoring.

Main Methods:

Keywords:

MRI fMRI neuroimaging sports telemetry structural health monitoring subconcussion

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

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Last Updated: Feb 2, 2026

$Pseudofracture: An Acute Peripheral Tissue Trauma Model$

Pseudofracture: An Acute Peripheral Tissue Trauma Model

Published on: April 18, 2011

Focused Assessment with Sonography for Trauma FAST Exam: Image Acquisition

Focused Assessment with Sonography for Trauma FAST Exam: Image Acquisition

Published on: September 22, 2023

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

Review of existing neuroimaging studies on repetitive head impact exposures.

Analysis of the consequences of subconcussive impacts on neural integrity.

Discussion of the need for new models to understand and mitigate risks.

Main Results:

Repetitive head impacts, even without concussion symptoms, can induce changes in neural integrity.
Neurological changes, including inflammation, are associated with repetitive head impact exposures in athletes.
Current metrics focus on concussion, overlooking the cumulative effects of subconcussive impacts.

Conclusions:

A broader understanding of head impact exposure, beyond just concussions, is necessary for athlete safety.
Developing models to identify at-risk individuals and mitigation strategies is essential.
Implementing a health-monitoring framework is recommended to promote athlete brain health and safety.