Skip to main content

Table 1 Characteristics of radius-vector length (RD) of COP displacements for all subjects (mean ± SD) in four different experimental conditions

From: Fractal properties of postural sway during quiet stance with changed visual and proprioceptive inputs

Experimental condition

Frequency range of slope

Duration of self-similarity intervals (s)

PS slope α

D f

F 1

F 2

Stable support, open eyes

0.17 ± 0.02

1.32 ± 0.03

5.14 ± 0.53

2.58 ± 0.33

1.21 ± 0.12

Stable support, closed eyes

0.19 ± 0.02

2.20 ± 0.1

4.82 ± 0.52

2.45 ± 0.42

1.25 ± 0.17

Foam support, open eyes

0.19 ± 0.01

3.78 ± 0.03

5.01 ± 0.32

2.68 ± 0.41

1.16 ± 0.48a

Foam support, closed eyes

0.72 ± 0.07

4.25 ± 0.05

1.14 ± 0.09b,c

2.64 ± 0.39

1.18 ± 0.12b

  1. aSignificant difference (p < 0.05) between foam support versus stable support (open eyes)
  2. bSignificant difference (p < 0.05) between foam support versus stable support (closed eyes)
  3. cSignificant difference (p < 0.05) between closed eyes versus open eyes (foam support)
Back to article page

The Journal of Physiological Sciences

ISSN: 1880-6562

Contact us