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Cinsiyete özgü vücut morfolojisi ile elin ikinci ve dördüncü parmak uzunluk oranları arasındaki ilişki

Relationship between sexually dimorphic body morphology and second-to-fourth digit ratio

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Abstract (2. Language): 
Because the organizational effects of sex steroids on digit development, it is suggested that there must be some relations between digit ratios (2D:4D) and other body characters that under the influence of sex steroids. This study sought to investigate the relationship between sexually dimorphic anthropometric characters and 2D:4D. These relationships were investigated on 240 students studying at the Cumhuriyet University, Sivas, Turkey. In addition to digits, weight, height, leg length, shoulder, hip, elbow, foot, knee width, upper arm circumference, calf circumference, foot length, triceps, biceps, subscapular, supraspinale, and calf skinfold measurements were taken from individuals. Results indicate individuals of both sexes have masculine body also have lower 2D:4D, whereas individuals have feminine body have higher 2D:4D. These findings suggest that not only adolescence sex steroids levels, but also prenatal sex steroids effect on structure of the adult body.
Abstract (Original Language): 
Prenatal steroid düzeylerinin parmak uzunluklarının gelişiminde organizasyonel bir etkiye sahip olması, gelişimi cinsiyet hormonlarının kontrolünde olan diğer vücut karakterleri ile elin ikinci ve dördüncü parmak uzunluk oranları (2P:4P) arasında bazı ilişkilerin olabileceğini düşündürmektedir. Bu çalışmada cinsiyete özgü bazı antropometrik karakterler ile 2P:4P arasındaki ilişkiler ele alınmıştır. Cumhuriyet Üniversitesi’nde okuyan 240 öğrenci üzerinde yürütülen çalışmada ikinci ve dördüncü parmak uzunluklarının yanı sıra, bireylerden ağırlık, boy, bacak yüksekliği, omuz, kalça, dirsek, ayak, diz genişliği, gevşek/kasılı üst kol çevresi, baldır çevresi, ayak uzunluğu, triseps, biseps, subskapular, supraspinal ve baldır deri kıvrımı kalınlığı ölçüleri alınmıştır. Bulgular, göreceli olarak her iki cinsiyette de erkeksi bedene sahip bireylerin düşük 2P:4P’ye, kadınsı bedene sahip olanların ise yüksek 2P:4P’ye sahip olduğunu ortaya koymaktadır. Sonuç olarak, sadece ergenlik dönemi değil, prenatal dönem hormon düzeylerinin de erişkin beden yapısı ile ilişkili olduğu söylenebilir.

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