Abstract
Cephalic index is an important parameter for differentiation of race and sex which varies significantly on the basis of hereditary, geographical, racial, sexual and other factors. It is a morphometric expression of different forms of head. The objective of this research was to evaluate the cephalic index of people of indigenous Tharu community of Biratnagar, Nepal and to determine different head types. A cross-sectional study was conducted in which maximum head length and breadth of 100 adult Tharu people living in Biratnagar were measured using spreading caliper and scale. The cephalic index was obtained from these values using Hrdlicka's method. The mean cephalic index of the study population was 75.99±4.97. The mean cephalic indices of males and females were 76.22±5.14 and 75.78±4.85 respectively. The most common head type observed was dolichocephalic type 47 (47%). It was followed by mesocephalic type 37 (37%), brachycephalic type 13 (13%) was less common and least common was hyperbrachycephalic type 3 (3%). Long head (dolichocephalic) type is more common in Tharu population in both the genders, whereas, broad head (brachycephalic and hyperbrachycephalic) type is present in very few people.
Highlights
Cephalic index is an important parameter for differentiation of race and sex which varies significantly on the basis of hereditary, geographical, racial, sexual and other factors
According to the data obtained from the study, the head length of the subjects ranged from 15.00 cm to 20.00 cm with mean of 17.70±1.03 cm
The present study reports the evaluation of cephalic index and head types in the people of Tharu community living in Biratnagar, Nepal
Summary
Cephalic index is an important parameter for differentiation of race and sex which varies significantly on the basis of hereditary, geographical, racial, sexual and other factors It is a morphometric expression of different forms of head. The objective of this research was to evaluate the cephalic index of people of indigenous Tharu community of Biratnagar, Nepal and to determine different head types. Cephalic index (CI) is an important parameter for differentiation of race and sex and varies with heredity and geography.[1] On its basis, the head shapes can be classified into dolichocephalic, mesocephalic, brachycephalic and hyperbrachycephalic types.[3] The study population in this study are people of an ethnic group, Tharu people with typical morphological traits, living in southern foothills of Himalayas and are indigenous to Terai region of Nepal.[4,5]
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