FORENSIC ANTHROPOLOGY

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Presentation transcript:

FORENSIC ANTHROPOLOGY Race and Trauma FORENSIC ANTHROPOLOGY

Anthropological Examination Excavated remains cleaned in forensic lab Arranged in correct anatomical order

Race determination - Skull Characteristic 1 – Nasal Aperature 2 – Malars 3 – Orbits 4 – Prognathism 5 – Mandible 6 – Incisors Race determinations Mongoloid Asian Native American Indian Caucasoid White Hispanic Negroid African American

Mongoloid 1 Rounded 2 Wide/Project 3 Squared 4 Moderate 5 Robust 6 Shovel-shaped

Caucasoid 1 Narrow/Elongated 2 Recede 3 Sloped/Rhomboid 4 Reduced 5 Medium 6 Blade-shaped

Negroid 1 Flared 2 Recede/Reduced 3 Rounded 4 Extreme 5 Gracile 6 Blade-shaped

Age – Skull development 29 bones in the skull Initial fusion few weeks postnatal Continues through age 21 – 35 yrs Mathematical formulas for using sutures to determine age

Height determination – Long bones Rule of thumb – “Height roughly equals 5 times the length of the humerus.” Since it is only an estimate, always have height be a range Formulas 2.38 (femur length cm)+61.41 = Stature +/- 3.27

Determine when Trauma took place Antemortem – before death Perimortem – around the time of death Postmortem – after death occurred

Perimortem trauma Lesions have no sign of healing

Postmortem trauma Intentional dismemberment Tool marks left on bone Unintentional dismemberment Animal tooth marks left on bone