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KMID : 0361619670020010067
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Journal of the Korean Orthopaedic Association
1967 Volume.2 No. 1 p.67 ~ p.73
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Statistical study of the Lumbosacral augles
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姜應植/Kang, Eung-Shick
韓大用/張浚燮/安華鏞/鄭仁熙/Han, Dae-Young/Ahn, Hwa-Yong/Jahna, Jun-Seop/Chung, In-Hee
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Abstract
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The purpose of this report is to presents statistical study of the lumbosacral angles and to evaluate the stability of the lumbosacral region ii; Korean coal miners. 1777 canddates were seen for preemployment examination in Severance Hosp.
It is well known that most complaints from heavy labor are related to the lumbosacral spine, and the preemployment examination of this region is neccessary.1,
Astatistical analysis of the lumbosacral anomalies of the candidates had been reported previously. The lumbosacral angles were measured and evaluated as follows;
1. Ferguson angle 2. Mitchell angle 3. L 5 horizontal angle
4. Promontorium angle 5. Line of weight thrust
6. Interrelation of the angles with age, weight and height.
7. Interrelati on between the angles
The result were summarized as follows:
Lying position Standing position
Ferguson angle 33.1 39.1
Mitchell angle 142.5 141.5
L 5 horizontal ´angle 13:7 19.3
Promontorium angle 132:5 131.5
2. In inceased lumbar lordosis, we have noted the unstability espeically,with the changes from the mean
values in Ferguson and L 5 horizontal angles.
3. We have also noted the line of weight thrust appears to be closely related with Ferguson and L 5 horizontal angles.
4. In measuring Mitchell and promontorium angles there is little differences in the values between the lying and the standing positions.
5. In 11litchell angle, there is some tendency to the lumbosacral instability correlating with the increase in the body weight.
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