Examination of Effects of a Community-Based Physical Exercise Class for Elderly People -The Effect of Low-intensity Exercise on Body Composition, the Cardio Ankle Vascular Index and Respiratory Function-.

[Purpose] The purpose of this study was to assess the effectiveness of a low-intensity exercise program through measurement of the physiological indices. [Methods] Seventeen community dwelling elderly persons (mean age 76 years) participated in this study. We instructed the subjects to practice a low-intensity exercise program twice a week for 3 months. The exercise program consisted of low intensity muscle training such as walking, stretching and recreation sports for 90 minutes. We assessed the physiological performance both before and after the exercise period. Aortic stiffness was measured using the cardio ankle vascular index (CAVI), body muscle and fat amounts were measured with a body composition analyzer, and respiratory functions with an autospirometer. [Results] After the exercise period, the CAVI data had significantly decreased, but HR, blood pressure, total muscle and fat amounts did not change significantly. The forced expiratory volume in one second (FEV1.0) had increased, although the forced vital capacity (FVC) did not change. [Conclusions] The low intensity exercise improved physiological function and was effective at reducing aortic stiffness in the elderly. [ABSTRACT FROM AUTHOR]