한국 정상인의 정상흉추 후만곡에 관한 연구
A Study of Normal Dorsal Kyphosis

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서울대학교 의과대학
Seoul J Med 1975;16(4):273-276
Jt is well known that the normal spine is in the curvature with the dorsal kyphosis and lumbar
lordosis, but in the ,litera tur e there is no well
done study concerning what is normal range of
normal dorsal kyphosis. Therefore it is unreaso
nable to call a curve is abnormal, or relatively
increased or decreased than the normal in terms
of dorsal curvature without knowing its normal
The purpose of this paper is to present what
angle the normal dorsal kyphosis has in Korean.
We divided the sample 3 groups, A,Band C
by the age , which is in the range of 10 to 14,
15 to19 and 20 to 24 years of 'age respectively.
Each group contains 30 normal male and female,
the whole, summing up to one hundred and eighty
persons. After taking the lateral roentgenographic
view, the dorsal curve was measured hy Cobb’s
method. In order to have good lateral view of the
dorsal spine, the roentgenogram was taken with
the arm 90’ foreward-flexed and rested on the
paralell bar.
The result shows that the median and two
standard deviationof A, Band C group are 33’ , 28’ ,
and 17’ to 45’ , 19 to 46° in A group, 32’ ,30’ and
40' , 16’ 17’ to 45’ ,16’ to 42’ in B group, 27’ , 25’ and
14’ to to 42’ in C group. The two standard deviation
of the measured dorsal kyphotic angle of the whole
group IS 16’ to 46’ that is suspected to be normal
do앤al kyphotic angle in Korean.
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Medicine (의학과)The Seoul Journal of MedicineThe Seoul Journal of Medicine Vol. 16 No.4 (1975)
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