The Impact of Drop Test Conditions on Brain Strain Location and Severity: A Novel Approach Using a Deep Learning Model

G Stilwell, D Stitt, K Alexander, N Draper… - Annals of Biomedical …, 2024 - Springer
In contact sports such as rugby, players are at risk of sustaining traumatic brain injuries (TBI)
due to high-intensity head impacts that generate high linear and rotational accelerations of …

Brain strain: computational model-based metrics for head impact exposure and injury correlation

LE Miller, JE Urban, EM Davenport, AK Powers… - Annals of biomedical …, 2021 - Springer
Athletes participating in contact sports are exposed to repetitive subconcussive head
impacts that may have long-term neurological consequences. To better understand these …

Instantaneous whole-brain strain estimation in dynamic head impact

K Ghazi, S Wu, W Zhao, S Ji - Journal of Neurotrauma, 2021 - liebertpub.com
Head injury models are notoriously time consuming and resource demanding in simulations,
which prevents routine application. Here, we extend a convolutional neural network (CNN) …

Head impact accelerations for brain strain-related responses in contact sports: a model-based investigation

S Ji, W Zhao, Z Li, TW McAllister - Biomechanics and modeling in …, 2014 - Springer
Abstract Both linear (a _ lin)(a lin) and rotational (a _ rot)(a rot) accelerations contribute to
head impacts on the field in contact sports; however, they are often isolated in injury studies …

The Effects of Reconstructed Head Impact Event Parameters on Risk of Sport Related Concussions

RA Oeur - 2018 - ruor.uottawa.ca
Falls and collisions are the most common types of events leading to sports-related
concussions where impacts to the head play an important role on the onset of traumatic …

Head impact kinematics and brain deformation in paired opposing youth football players

GM Milef, LE Miller… - Journal of Applied …, 2022 - journals.humankinetics.com
Head impact exposure is often quantified using peak resultant kinematics. While kinematics
describes the inertial response of the brain to impact, they do not fully capture the dynamic …

Use of brain biomechanical models for monitoring impact exposure in contact sports

S Ji, M Ghajari, H Mao, RH Kraft… - Annals of Biomedical …, 2022 - Springer
Head acceleration measurement sensors are now widely deployed in the field to monitor
head kinematic exposure in contact sports. The wealth of impact kinematics data provides …

Effect of impact kinematic filters on brain strain responses in contact sports

N Lin, G Tierney, S Ji - IEEE Transactions on Biomedical …, 2024 - ieeexplore.ieee.org
Objective: Impact kinematics are widely employed to investigate mechanisms of traumatic
brain injury (TBI). However, they are susceptible to noise and artefacts; thus, require data …

Influence of morphological variation on brain impact responses among youth and young adults

J Liu, JJ Jin, JT Eckner, S Ji, J Hu - Journal of biomechanics, 2022 - Elsevier
Tissue-level brain responses to sport-related head impacts may be stronger predictors of
brain injury risk than head kinematics alone. Despite the importance of accurate impact …

The biomechanical signature of loss of consciousness: computational modelling of elite athlete head injuries

KA Zimmerman, J Cournoyer, H Lai, SB Snider… - Brain, 2023 - academic.oup.com
Sports related head injuries can cause transient neurological events including loss of
consciousness and dystonic posturing. However, it is unknown why head impacts that …