• Comparison and symmetry of the index finger and ring anthropometric surveys in the genetically deafness female population compared with healthy girls of the Persian living in Mashhad
  • Mohammadreza Pourmohammad,1 Jina Khayatzadeh,2,* Azade Daneshwari,3 Naser mahdavi shahri,4 Maryam tehranipour,5
    1. Department of medical parasitology, faculty of paramedicine, Ilam University of medical science, Ilam,Iran
    2. Department of Biology, Mashhad Branch, Islamic Azad University, Mashhad, Iran
    3. Department of Biology, Mashhad Branch, Islamic Azad University, Mashhad, Iran
    4. Department of Biology, Ferdowsi University of Mashhad, Mashhad, Iran
    5. Department of Biology, Mashhad Branch, Islamic Azad University, Mashhad, Iran


  • Introduction: Biological Anthropology is a branch of human biology and anthropometry is a branch of biometry which deals with the study of human and so determine anthropometric measurements in medical science can help to diagnose, assess and treat abnormalities and applied to identify ethnic groups and describe characterization.
  • Methods: In the analytical stud, 120 girls aged 7-11years genetic deaf and 200 girls’ normal aged 7-11years in Mashhad city have been examined. The distance between the tip of the finger (ring finger and finger pointing) to the end of the inner surface of both hands was measured by a digital caliper. Data collected with Excel 12007 software and SPSS 16 and Mini Tab 16 software’s was processed. The means- ratios 2D:4D finger length were compared. The growth pattern of 2D and 4D finger -Symmetric ratio 2D-4D were compared in normal finger girls and genetic deaf in the left and right hand.
  • Results: The evaluation growth pattern of 2D finger in normal and genetic deaf girls indicate there is symmetry in two groups of subjects. The evaluation growth pattern of 4D finger in normal and genetic deaf girls indicate there is symmetry in two groups of subjects, except for the aged group of 8-9 years, in which there is a significant difference (0.05%).There is symmetry and in assessment ratio 2D-4D in normal and genetic deaf girls in all groups ratio2D-4D in normal people is more than genetic deaf girls. 2D:4D ratio in the left hand of healthy people compared to the left hand of genetic deaf people in the aged group of 9-10 years and 2D:4D ratio in the right hand of healthy people compared to the right hand of genetic deaf people in the aged group of 7-8 years and 8-9 years shows that there is a significant difference (0.05).
  • Conclusion: It seems that by extending similar studies to identical populations of anthropometric body sizes, it is possible to provide an appropriate prognosis for the risk of diseases.
  • Keywords: Fingers Entropy - Symmetric- ratio 2D-4D- genetic deaf