城市高龄老人肌力、柔韧、平衡能力的分析——以南京市城区老龄人口为例
성시고령노인기력、유인、평형능력적분석——이남경시성구노령인구위례
Analysis of the Muscle Strength, Suppleness and Equilibrium of the Urban Elderly --Taking as an Example the Urban Elderly in Nanjing