Low back pain is significant problem in today´s society, with lifetime incidence rate reported between 50% and 90%. Many factors associated with LBP are reported. The purpose of this studies were to be evaluated static standing posture aberrations in chronic LBP in comparison with healthy individuals. The samples including 80 subjects recruited to the following two groups patients and control(normal) Questionnaires were completed by 40 LBP patients and 40 controls at the department of Physical Therapy, SaeJong neurosurgical clinic in Taegu city from October 1, 1999 to March 30, 2000. The angle of lumbar lordosis was
measured on lateral x-ray films with standing position. In LBP groups, the mean degree of lumbar lordosis, sacral inclination, and lumbosacral joint angle were 29.9±9.3, 34.8±8.2, and 12.7±5.7 respectively. Control groups, the mean degree of lumbar lordosis, sacral inclination and lumbosacral joint angle were 35.3 ±7.8, 34.9±6.4 and 12.5±4.3 respectively. there were significantly decreaseds in lumbar lordosis in Low back pain group lumbar lordosis on the working posture had significant differences among groups(sitting position patients 31.4±9.3, standing position patients 28.4±9.3, sitting position control 35.0±6.4, standing position control 35.5 ± 8.8, respectively) ´(p=0.034).
sacral inclination on the working posture had differences among groups(sitting position patients 35.9±8.7, standing position patients 33.6±7.6, sitting position control 33.9±5.9, standing position control 35.6±6.8, respectively).
lumbersacral joint angle on the working posture had differences among groups(sitting position patients 12.0 ±5.6, standing position patients 13.4±5.9, sitting position control 11.2±3.0, standing position control 13.4°, respectively).
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