Does the area of the glenoid cavity of the scapula show sexual dimorphism?
The area of the glenoid cavity was determined in 214 scapulae (114 male, 100 female). Mean values of 9.87 cm2 for the males and 7.18 cm2 for the females were found. Presentation of the values as a histogram showed a bimodal distribution indicating sexual dimorphism, which was confirmed by the Mann-Whitney-Wilcoxon test for unconnected samples. The area of the cavity can therefore be used for the sexing of a skeleton. With the described method 60% of males but only 36% of females can be graded unambiguously.
Prescher
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Institute of Anatomy, Rheinisch-Westfälische Technische Hochschule Aachen, Germany.
Klümpen
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D000886:Anthropometry; D005260:Female; D006801:Humans; D007091:Image Processing, Computer-Assisted; D066298:In Vitro Techniques; D008297:Male; D012016:Reference Values; D012540:Scapula / Q000033:anatomy & histology*; D012727:Sex Characteristics