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Table 2 Analysis of variance results (F values) for all the COP parameters for the different factors

From: Postural control as a function of time-of-day: influence of a prior strenuous running exercise or demanding sustained-attention task

 

S

TD

C

S × TD

S × C

TD × C

S × TD × C

COP parameters

(2, 18)

(2, 18)

(3, 27)

(4, 36)

(6, 54)

(6, 54)

(12, 108)

SD amplitude (AP)

0,6

5,9*

181,4***

0,9

2,5*

1,7

1,1

SD velocity (AP)

6,54**

3,5*

75,27***

0,59

2,64*

1,91

0,56

SD amplitude (ML)

3,35

8,03**

89,18***

2,24

1,18

2,57*

1,74

SD velocity (ML)

1,47

1,65

48,2***

1,44

2,64*

1,03

0,73

Mean Velocity

1,2

4,3*

110,8***

1,5

1,1

2

0,7

Area (95% ellipse)

3,76*

8,06**

99,49*

1,89

2,77*

3,32**

2,17*

  1. Note. Factors were Session, S, Time-of-Day, TD, and Condition, C. Degrees of freedom are shown in parentheses. COP: center of pressure; AP: anteroposterieur; ML: mediolateral.
  2. * p < 0.05. ** p < 0.01. *** p < 0.001.