The Lumbar curvation & L-S angle(Furgerson angle) were measured from the 131 patients who have taken a X-rays at Oriental hospital of Tae-jon university, and the result were obtained as follow:
1. The number of Female patients are more than that of Male, and the number of people whose age is 61-70 are the most(29, 22.1%).
2. The number of patients who have HNP are the most(47, 33.8%), and except that of patients who have HNP, the number of patients who have Spondylosis are the most(33, 23.7%).
3. Average of lumbar curvation is 34 , the number of people whose lumbar curvation is 31-4 0 is the most(43, 33.6%), and the number of people whose lumbar curvation is over 61 is the least(l, 0.98%).
4. Lumbar curvation is increased with increase of age.
5. The average of Furgerson angle is 33.7, the number of people whose angle is 31-40 is the most(51, 39.8%), and that of people whose angle is 0--10 is the least(5, 3.9%).
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