ArticleAnnals of biomedical engineering2025
Relationship Between Rotational Device Kinematics and Head Kinematics in a Large Animal Model of Traumatic Brain Injury.
Article in Annals of biomedical engineering, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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Who cites it
1 citing paper in PubMed.
- Assessing Motion Fidelity During Closed-Head Rotational Acceleration Traumatic Brain Injury in Pigs.Research square · 2026Article
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Authors and funding
12 authors.
Funding
Abstract
purposeLarge mammal head injury models allow the pathophysiological response associated with traumatic brain injury (TBI) to be studied in vivo with precise control of the physical parameters. However, only some studies have used skull-mounted sensors to measure the kinematics of the animal head rather than relying on measurements of the system delivering the impact. Therefore, the aim of the current study was to compare the kinematics between a rotational injury device (HYGE, Inc., Kittanning, PA) and the head in a swine model of TBI across a range of target peak angular velocities.
methodsSexually mature Yucatan swine were subjected to a rotational TBI via the HYGE device at one of three targeted peak angular velocities: 110 rad/s (n = 16), 145 rad/s (n = 12) or 170 rad/s (n = 11). Sensor packages were used to measure both the angular kinematics of the animal head and HYGE device swing arm.
resultsPeak angular velocity of the animal head was on average 18-33% lower compared to that of the HYGE device swing arm with greater relative differences for greater target peak angular velocities. Similarly, peak angular acceleration of the animal head was lower than that of the HYGE device sing arm by 11-34% on average with greater relative differences for greater target peak angular velocities.
conclusionsThis study highlights the importance of directly measuring the head kinematics of the animal in TBI models for the purpose of directional comparisons, finite element simulations, and/or scaling kinematics from human-to-animal to determine boundary conditions or animal-to-human to develop injury criteria.
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