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Table 3 Summary of Changes in EMG – Measurements (N = 29)

From: The effect of massage on localized lumbar muscle fatigue

 

Squares of MNF

MDF

Logarithm of RMS

     

Before

Intervention

After

Intervention

Time of Measurement (sec.)

M

SD

M

SD

M

SD

M

SD

2 – 4

2.25

0.62

84.97

20.98

1.17

0.89

0.88

0.92

4 – 6

2.33

0.60

89.57

20.12

0.82

0.79

0.68

0.92

6 – 8

2.32

0.58

89.12

18.96

0.67

0.81

0.63

0.92

8 – 10

2.30

0.58

88.18

18.64

0.65

0.79

0.66

0.88

10 – 12

2.26

0.57

87.04

18.74

0.67

0.80

0.68

0.94

80 – 82

1.69

0.48

68.06

15.14

0.92

0.97

1.04

0.99

82 – 84

1.68

0.47

67.15

15.09

0.86

0.85

1.11

1.02

84 – 86

1.66

0.48

67.17

15.33

0.86

0.95

1.05

0.96

86 – 88

1.66

0.49

66.75

15.96

0.87

0.90

1.07

1.06

88 – 90

1.64

0.46

66.60

14.90

0.84

0.86

1.05

0.95

  1. Note. MNF – measure was scaled by division by 100, and squared due to a left-skewed distribution. RMS – measure was scaled by multiplying by 10,000, and transformed by taking its natural logarithm due to having a right-skewed distribution.