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Table 1 Results of analysis of variance (ANOVA)

From: Postural control and contingent negative variation during transient floor translation while standing with the ankle fixed

Dependent variables

Significant interaction or main factor

F values

Significance

Two-way ANOVA

 CoPap displaced position

Set

F 1,14 = 22.0

p < 0.001

 Hip joint movement angle

Set

F 1,14 = 5.7

p < 0.05

 Knee joint movement angle

Interaction

F 1,14 = 6.5

p < 0.05

 Ankle joint movement angle

Condition

F 1,14 = 19.6

p < 0.01

 

Set

F 1,14 = 14.0

p < 0.01

 Peak amplitude of RA after S2

Interaction

F 1,14 = 5.0

p < 0.05

 Peak amplitude of RF after S2

Condition

F 1,14 = 7.2

p < 0.05

 

Set

F 1,14 = 23.0

p < 0.001

 Peak amplitude of TA after S2

Condition

F 1,14 = 118.0

p < 0.001

 

Set

F 1,14 = 103.6

p < 0.001

 CNV peak amplitude

Nothing

F 1,11 < 1.1

N.S.

 CNV peak time

Condition

F 1,11 = 9.8

p < 0.05

 Mean amplitude of CNV from 700 to 800 ms after S1

Condition

F 1,11 = 4.9

p < 0.05

 Mean amplitude of CNV from 800 to 900 ms after S1

Condition

F 1,11 = 5.2

p < 0.05

 

Set

F 1,11 = 5.4

p < 0.05

 Mean amplitude of CNV from 900 to 1500 ms after S1

Set

F 1,11 = 5.7

p < 0.05

 Mean amplitude of CNV from 1600 ms after S1 to S2

Nothing

F 1,11 = 2.8

N.S.

 Mean amplitude of RA from 700 ms after S1 to S2

Nothing

F 1,11 = 3.3

N.S.

 Mean amplitude of RF from 700 ms after S1 to S2

Nothing

F 1,11 = 4.6

N.S.

 Mean amplitude TA from 700 to 1500 ms after S1

Nothing

F 1,11 < 4.5

N.S.

 Mean amplitude of TA from 1600 ms after S1 to S2

Interaction

F 1,11 > 5.0

p < 0.05

 Mean amplitude of CoPap from 700 ms after S1 to S2

Condition

F 1,11 > 8.0

p < 0.05

Tree-way ANOVA

 Peak latency of frontal postural muscles after S2

Interaction between condition and muscle

F 2,42 = 6.8

p < 0.01

  1. If a significant interaction was found, the statistical value of that interaction alone was described. If significant main factors were found, but no interactions, only the statistical values of the main factors were described