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Table 3 Summary of the reliability analyses of the G-theoretic approach

From: The potential use of spectral electromyographic fatigue as a screening and outcome monitoring tool of sarcopenic back muscle alterations

  

D-value

SEM

Error variance

   

absolute

absolute

Initial MF

    

All electrodes

<50

0.70

5.98

35.80

>50

0.59

7.01

49.11

L5

<50

0.83

4.23

17.93

>50

0.87

4.28

18.33

L2

<50

0.87

4.85

23.53

>50

0.71

5.22

27.22

L1

<50

0.84

4.21

17.70

>50

0.84

3.31

10.94

Most negative electrode

<50

0.84

4.30

18.52

>50

0.82

3.73

13.92

MF slope declines

All electrodes

<50

0.70

0.11

0.012

>50

0.69

0.08

0.006

L5

<50

0.74

0.10

0.011

>50

0.74

0.08

0.006

L2

<50

0.79

0.09

0.008

>50

0.81

0.08

0.006

L1

<50

0.75

0.08

0.007

>50

0.62

0.06

0.004

Most negative electrode

<50

0.64

0.12

0.015

>50

0.71

0.09

0.008

MF slope declines normalized to initial MF

All electrodes

<50

0.69

0.12

0.014

>50

0.74

0.08

0.006

L5

<50

0.79

0.11

0.012

>50

0.74

0.08

0.006

L2

<50

0.79

0.09

0.009

>50

0.84

0.08

0.006

L1

<50

0.72

0.10

0.010

>50

0.62

0.08

0.006

Most negative electrode

<50

0.60

0.13

0.016

 

>50

0.78

0.09

0.008

  1. D-values are a type of an Intraclass Correlation coefficient (ICC), absolute SEM = absolute square root of the error variance.
  2. Note that for the individual MF-EMG measures, the type of decision is absolute.