alexa The Influence of Fabric Resistance on Experimental Appl

Journal of Forensic Anthropology
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Research Article

The Influence of Fabric Resistance on Experimental Applications of Skeletal Trauma: An Analysis of Sharp Force Trauma by Serrated Knives

Amanda Feldman*

San José State University, One Washington Square, San Jose, CA, 95192, USA

*Corresponding Author:
Amanda Feldman, M.A.
San José State University
One Washington Square
San Jose, CA 95192, USA
Tel: +1 408-924-1000
E-mail: [email protected]

Received date: September 24, 2016; Accepyed date: November 18, 2016; Published date: November 30, 2016

Citation: Feldman A (2016) The Influence of Fabric Resistance on Experimental Applications of Skeletal Trauma: An Analysis of Sharp Force Trauma by Serrated Knives. J Forensic Anthropol 1:110.

Copyright: © 2016 Feldman A. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Despite the abundance of validation studies in sharp force trauma literature, there is a lack of research that examines the effects of fabric resistance during stabbing events. In this study, experimental knife trauma via a guided-drop impacting device was used to identify toolmark characteristics on clothed and unclothed skeletal remains. Five clothing fabrics [drill, satin, cotton, polyester, and cotton comforter] and two knives [serrated and scalloped] were used to create 180 cut marks on porcine ribs. Kerf marks were macerated in a detergent solution and measured by scoring kerfs using kerf characteristic measurements. Multivariate tests indicated that clothed specimens produced decreased striations and wall projections, kerf width, kerf depth, and altered kerf shape [p<0.05]. This study found that fabric variables altered kerf characteristics and produced distinguishable marks on unclothed and clothed remains. Results revealed that scalloped knives more often produced U-shaped cross-sections as a result of blade skipping and blade snagging on fabric. Standard light microscopy was found to be an effective method for examining characteristics not visible macroscopically.


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