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Table 2 Baseline Data of Pressure-Pain Threshold and Short-form McGill Pain Questionnaire. M ± SD Units: kgf.

From: Effect of Transversus abdominis muscle training on pressure-pain threshold in patients with chronic low Back pain

 

Sham Training (n = 15)

Low Intensity (n = 14)

High Intensity (n = 15)

F

p

Levator scapula

3.92 ± 1.53

3.96 ± 1.65

4.03 ± 1.57

0.018

0.982

Rhomboid muscle

4.64 ± 1.72

4.86 ± 1.89

4.52 ± 1.67

0.141

0.869

Iliopsoas

5.29 ± 2.00

5.67 ± 2.08

4.95 ± 1.92

0.464

0.632

Quadratus lumborum

5.76 ± 2.07

6.43 ± 2.06

6.15 ± 2.19

0.379

0.687

Erector spinae

7.32 ± 2.85

7.60 ± 2.40

7.96 ± 2.12

0.252

0.778

Transversus abdominis

5.75 ± 2.00

5.82 ± 2.14

5.60 ± 2.24

0.041

0.960

Gluteus medius

6.47 ± 2.01

6.14 ± 1.65

5.99 ± 1.55

0.294

0.747

Piriformis

6.73 ± 2.01

6.80 ± 1.67

6.26 ± 1.90

0.314

0.732

Hamstring muscle

7.12 ± 2.69

7.00 ± 2.10

5.85 ± 2.25

1.296

0.285

Gastrocnemius

5.28 ± 1.56

5.78 ± 1.29

4.96 ± 1.48

1.181

0.317

Body surface pain radiation

6.80 ± 8.22

18.57 ± 21.02

17.00 ± 11.13

2.932

0.065

Short-form McGill Pain Questionnairea

 Sensory items

4.87 ± 2.16

5.45 ± 3.01

5.80 ± 3.75

1.122

0.579

 Emotion items

1.27 ± 1.22

2.29 ± 2.89

1.20 ± 1.57

1.324

0.277

 VASb

4.63 ± 2.78

5.46 ± 2.00

4.20 ± 2.21

1.065

0.354

 Present pain intensityc

0.73 ± 0.70

0.71 ± 0.61

1.00 ± 0.85

0.710

0.497

  1. a:Assessed pain during 120% PPT stimulation; b: Pain score at 120% PPT stimulation for 60 s; c: Pain score at the erector spinae stimulation point 1 min after the pain tolerance threshold was measured