26. Head length

26. Head length

　

Definition:

Distance between the glabella (the most anterior point on the forehead between the brow ridges) and the occiput (back of the head) in the midline.

　

Applications:

Reference datum for location of eyes, approximately 20mm behind glabella.

　

Head length (mm)		Men				Women
Head length (mm)		5th %ile	50th %ile	95th %ile	SD	5th %ile	50th %ile	95th %ile	SD
	Hong Kong	175	190	205	8	160	215	280	39
	British, Aged19-65 years	180	195	205	8	165	180	190	7
	US, Aged19-65 years	180	195	210	8	165	180	195	8
	Japanese adults	170	185	200	8	160	170	180	7

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