Objective To study the correlation between the static balance ability and the cognition and anxiety in elder individuals. Methods A total of 57 middle-aged and elderly subjects in Haidian District, Beijing were enrolled, which included 29 males and 28 females, aged 50-70 years old with mean age of 59.70 years old, mean height of 164.49 cm, mean body weight of 69.51 kg and mean body mass index of 25.63 kg/m~2. All of the subjects were tested 10-second equilibration capability in 4 standing conditions: eye-op...