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NCJ Number: 249898 Find in a Library
Title: Role of Interface Shape on the Impact Characteristics and Cranial Fracture Patterns Using the Immature Porcine Head Model
Journal: Journal of Forensic Sciences  Dated:September 2016  Pages:Online
Author(s): P. E. Vaughan; C. C. M. Vogelsberg
Date Published: September 2016
Page Count: 0
Sponsoring Agency: National Institute of Justice (NIJ)
Washington, DC 20531
Grant Number: 2011-DN-BX-K540
Document: PDF
Type: Report (Grant Sponsored); Report (Study/Research); Research (Applied/Empirical)
Format: Article; Document (Online)
Language: English
Country: United States of America
Annotation: This study documented impact biomechanics and fracture characteristics of infant porcine skulls dropped onto flat, curved, edged, and focal surfaces.
Abstract: Results showed that the energy needed for fracture initiation was nearly four times higher against a flat surface than against the other surfaces. Although characteristic measures of fracture, such as number and length of fractures, did not vary with impact surface shape, the fracture patterns did depend on impact surface shape. Experimental impacts against the flat surface produced linear fractures initiating at sutural boundaries peripheral to the point of impact (POI); however, more focal impacts produced depressed fractures initiating at the POI. These findings support the case-based forensic literature that suggests cranial fracture patterns depend on impact surface shape and that fracture initiation energy is lower for more focal impacts. (Publisher abstract modified)
Main Term(s): Forensics/Forensic Sciences
Index Term(s): Blunt force trauma injuries; Bone analysis; Injury investigations; Investigative techniques; NIJ grant-related documents; NIJ Resources
Note: Presented in part at the 67th Annual Meeting of the American Academy of Forensic Sciences, February 16-21, 2015, in Orlando, FL. Supported by Award No. 2011-DN-BX-K540, awarded by the National Institute of Justice, Office of Justice Programs, U.S. Department of Justice. The opinions, findings, and conclusions or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect those of the Department of Justice.
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