PMID: 18432061Apr 25, 2008Paper

Thresholds of physical activities necessary for living a self-supporting life in elderly women

Osaka City Medical Journal
Hayato NakaoShigeo Fujimoto

Abstract

To decide the minimal levels (thresholds) of physical activities necessary for a self-supporting life using discriminate analysis between community-dwelling elderly individuals and daycare-service-receiving elderly individuals in Japan. A total of twenty-six elderly women, including twelve living a self-supporting life and fourteen using a daycare service, were recruited in this study. The parameters examined were physical performance, activities of daily living, exercise capacity. Discriminate analysis was used to determine the thresholds of physical activities needed to live a self-supporting life. Muscle masses, grip strength, lower-extremity muscle force, gait ability and balance function in elderly individuals living a self-supporting life were significant higher than those in elderly individuals using a daycare service. A threshold of physical ability over 75% classifies accurately using the methods of discriminate analysis indicate total body muscle mass, thigh muscle mass, knee extension force, 6 min walking distance (6MD), 10 m obstacle walking time, Activity of daily living (ADL) index and daily steps. The present study indicates that thresholds of physical activities including gait abilities, muscle force, and muscle...Continue Reading

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