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Table 3 Results control group

From: Effectiveness of an exercise intervention based on preactivation of the abdominal transverse muscle in patients with chronic nonspecific low back pain in primary care: a randomized control trial

Control group (n = 19)

Outcome

Pre

Mean (SD)

Post

Mean (SD)

p value

VAS (0–10)

4.6 (2.7)

4.5 (2.6)

0.71

RMQ (0–24)

6.8 (4.9)

7.5 (4.4)

0.43

Activation TrA-PBU (mmHg)

2.7 (2.7)

2.1 (2.3)

0.18

Thickness TrA-US (mm)

2.63 (1.24)

2.41 (1.28)

0.24

Resistance TrA-EMG (mV)

0.045 (0.03)

0.044 (0.034)

0.95

  1. *Statistically significant difference. SD: Standard Deviation VAS: Visual Analogue Scale. RMQ: Roland-Morris Questionnaire. TrA: Abdominal Transverse Muscle. PBU: Pressure Biofeedback Unit. US: Ultrasound. EMG: Electromyography