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- Title
Sex determination from the proximal and distal part of the humerus in a Bulgarian contemporary population.
- Authors
Fasova, Antoaneta V.; Timonov, Pavel T.
- Abstract
Determination of sex from the skeleton is vital to medicolegal investigations. There is no longer any question that populations differ in size and proportions and these differences affect the metric assessment of sex. The purpose of this research is to establish metric standards for sex determination from the humerus of Bulgarian contemporary population. On the other hand, when fragmentary and incomplete bones are all that are available to the forensic anthropologist for use in sex determination, non-metric and metric sex discriminating parameters that have been derived from complete bones may be of little use. In such circumstances, sex discriminating metric methods that are of specific application to fragmentary bones will be more useful. Circumference of the head, vertical diameter of the head, transverse diameter of the head and epicondylar breadth have been measured in 135 adult humeri of known sex (47 females and 88 males) and subjected to discriminant function analysis. Discriminant function equations were derived for individual and combined variables from the upper and lower ends of the humerus. The most effective single dimension is circumference of the head (90,1%). Multivariate discriminant function analysis including three variables of the proximal part of humerus (circumference of head, vertical diameter of head and transverse diameter of head) achieves an average accuracy from 90,4%. The upper end is more successful in sex identification than the lower end of humerus (90,4% vs 85,6%) because this area is subjected to greater biomechanical function and stress.
- Subjects
HUMERUS measurement; SKELETON; BONE aging; DIAGNOSTIC sex determination; SEX discrimination
- Publication
Anil Aggrawal's Internet Journal of Forensic Medicine & Toxicology, 2017, Vol 18, Issue 1, p9
- ISSN
0972-8074
- Publication type
Article