Table 3 At each target pressure value, mean and standard deviation (SD) of AEMG (μV) and MVIC for TA and MF muscles
Interest muscles at target pressure value | cLBP (n = 22) | Pain-free controls (n = 24) | P |
|---|---|---|---|
Transversus Abdominis (TA) | |||
MVIC | 49.44 (22.98) | 97.05 (55.09) | <0.001 |
50 mmHg | 13.75 (12.41) | 11.60 (8.88) | 0.792 |
60 mmHg | 18.85 (13.93) | 16.16 (13.66) | 0.468 |
70 mmHg (n = 20/22) | 23.38 (16.01) | 19.58 (14.84) | 0.437 |
Multifidus (MF) | |||
MVIC | 61.38 (37.21) | 103.78 (42.29) | 0.001 |
50 mmHg | 11.55 (7.91) | 11.19 (7.59) | 0.886 |
60 mmHg | 17.94 (9.63) | 18.16 (12.3) | 0.843 |
70 mmHg | 26.60 (13.36) | 27.86 (18.23) | 0.912 |