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Patellar Anthropometry in Sex Differentiation - A Study in the Southern Part of Andhra Pradesh, India

As in many cases, long bones get available in fragments, so gender determination from short as well as robust bones like patella is paid importance nowadays. So far, the literature reviewed show such records are found little in India, especially from the state of Andhra Pradesh. The present study is aimed to demonstrate the gender differentiability of different patellar anthropometric parameters viz, length, breadth, weight, thickness & patellar Index, etc., amongst the population of the southern part of Andhra Pradesh in India. A total of 50 intact patellae of which 25 belonging to males and 25 belonging to females, were taken out from human corpses of 20 to 50 years of age group, brought for postmortem to the Department of Forensic Medicine, Sri Venkateswara Medical College, Tirupati. Patellar vertical length, width, different measurements of the individual articular facet, patellar index, and surface area of the articular part, etc., were measured. In males, the mean of patellar length, Patellar index, Dry weight, Articular surface area were found to be 3.892 cm, 115.36, 20.06 gm, and 14.164 cm 2 respectively and in females, the mean of patellar length, Patellar index, Dry weight, Articular surface area were found to be 3.608 cm, 103.12, 15.16 gm and 9.664 cm 2 respectively. The values are found to be less in females than those found in males. The results of this study revealed that we can determine the sex of the southern Andhra Pradesh population, just by using the patellar measurements when other long bones, skull, and pelvis are not available or fragmented. But there remains scope for multicenter study throughout India to validate the fact.