) HIP( رابطه زاويه گردن و تنه استخوان ران با استيوآرتريت مفصل راني لگني

The relationship of neck shaft angle with osteoarthrisis of the hip joint

Background and purpose: osteoarthrisis is the most common disease of mobile and axial joints, its etiology is not clearly known yet. Biomechanical and biological theories are suggested for its etiology. The relationship between proximal femoral anatomy and osteoarthrisis of the hip is under controversy. Materials and methods : 73 individuals, 34 with osteoarthrisis and 39 control cases were included in the study. Both groups were matched for age, occupation and weight. Then neck-shaft angle in both groups was measured. Results : Mean neck-shaft angle was 133°, which did not show statistically significant difference from that of the control. Conclusion : Aa a results of expensive joint exchange in osteoarthrisis patients and its side effects, measurement of Neck-shaft angle in Iranian race is a necessity.