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Table 3 Mean and standard deviations of the COP feature MV AP , core correlation features and enslaving mode ratio feature SMR y

From: Assessing postural stability via the correlation patterns of vertical ground reaction force components

Features

Age group

Younger

Older

MV AP

5.45 ± 1.06

7.28 ± 2.00

COM acc -SD

3.36 ± 0.87 × 10−2

4.28 ± 1.31 × 10−2

COM acc -PP

3.32 ± 0.56 × 10−4

3.82 ± 0.69 × 10−4

M c

0.784 ± 0.019

0.819 ± 0.025

N c

88.7 ± 8.8

69.0 ± 13.0

SMR x

0.750 ± 0.065

0.881 ± 0.044

SMR y

0.522 ± 0.081

0.596 ± 0.062

  1. Values are mean ± standard deviation
  2. Units of features are as follows: mm/s (MV AP ), times/30 s (N c )
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