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Table 3 Assessing alterations in lumbar function among the three groups prior to and following the intervention (‾x ± s)

From: The effectiveness of pelvic floor muscle training on lumbar function and muscle performance in sedentary women with lower back pain: a randomized controlled trial

 

Group C (n = 20)

Group T (n = 20)

Group P (n = 20)

Before intervention

After intervention

Before intervention

After intervention

Before intervention

After intervention

Muscle endurance test (s)

 Flexion

69.70 ± 18.73

74.50 ± 35.92

77.15 ± 21.25

94.75 ± 15.14**+

72.10 ± 15.75

95.95 ± 19.38**+

 Extension

80.15 ± 14.22

66.90 ± 17.10**

78.40 ± 22.21

111.00 ± 53.40*

70.30 ± 19.05

120.18 ± 38.71**+

 Left flexion

44.50 ± 22.80

45.70 ± 19.70

38.85 ± 18.58

47.45 ± 17.32*

44.80 ± 29.78

59.60 ± 27.37**

 Right flexion

43.85 ± 22.83

44.15 ± 21.44

39.45 ± 20.61

47.80 ± 16.86**

45.45 ± 29.72

59.35 ± 23.12**+

Muscle thickness

 TrA (%)

47.27 ± 20.24

44.93 ± 30.81

47.56 ± 22.10

63.81 ± 35.93

46.01 ± 21.05

63.19 ± 32.08

 LM (%)

6.67 ± 4.98

7.37 ± 6.34

5.99 ± 3.76

7.68 ± 5.89

7.27 ± 4.36

8.92 ± 4.82

 PFM (mm)

55.40 ± 25.18

59.15 ± 29.90

62.10 ± 38.78

61.00 ± 30.29

50.65 ± 25.79

69.65 ± 31.06

Pain score (point)

 Initial score

1.64 ± 0.79

1.62 ± 0.99

2.10 ± 1.05

1.72 ± 0.88

2.00 ± 1.10

1.70 ± 0.80*

 Score after sitting for 2 h

4.96 ± 1.30

4.82 ± 1.57

5.62 ± 1.39

4.51 ± 1.37**

5.72 ± 1.55

4.98 ± 1.25**

 Differences in pain scores

3.32 ± 0.88

3.20 ± 1.05

3.53 ± 1.39

2.79 ± 1.45*

3.73 ± 1.14

3.28 ± 1.06*

  1. TrA transversus abdominis, LM lumbar multifidus, PFM pelvic floor muscle
  2. * p < 0.05, there is a significant difference before and after intervention. ** p < 0.01, there is a significant difference before and after intervention. + p < 0.05, there is a significant difference, compared with the control group. + + p < 0.01, there is a significant difference, compared with the control group