Association of @entity85 and back extensor strength in elderly XXXX with @entity170 in Japan and the United States.

@entity1 @entity174 @entity1513 @entity170 @entity1515 @entity85
The difference in the shape of sagittal spinal curvature and distribution of @entity174 in @entity1 of comparable age with @entity170 from Japan and the United States with different cultures and lifestyles was identified. Back extensor strength was significantly associated with @entity1515 in Akita group, indicating the potential importance of strengthening the back extensor. INTRODUCTION: The purpose of the study was to assess the association of @entity85 with back strength in elderly @entity1 in Japan and the United States. METHODS: Subjects diagnosed with @entity170 were selected to participate prospectively. In both groups, we measured the angles of @entity1513 and @entity1515 with plain lateral radiographs and back extensor strength. The number of @entity174 and the ratio of lumbar fractures to @entity174 are also evaluated. The level of @entity1 ' daily activities was assessed with use of comparable tests in Akita (quality-of-life score) and Minnesota (physical activity score). RESULTS: A total of 102 Japanese @entity1 residing in Akita, Japan (Akita group), and 104 white @entity1 evaluated in Rochester, MN, USA (Minnesota group), participated in this study. The angle of @entity1513 and @entity1515 was higher in the Minnesota group than in the Akita group. The ratio of lumbar fractures to @entity174 was higher in the Akita group than in the Minnesota group. In the Akita group, multiple regression analysis revealed that the angle of @entity1515 correlated significantly with back extensor strength. CONCLUSIONS: We identified the difference in the shape of sagittal spinal curvature and distribution of @entity174 in @entity1 of comparable age with @entity170 from two geographic areas of the world with different cultures and lifestyles. Back extensor strength was significantly associated with @entity1515 in Akita group, indicating the potential importance of strengthening the back extensor for improving or maintaining @entity1515 .
