Table 2 Results of a two-factor repeated-measures analysis of variance of muscle activity and intra-abdominal pressure (IAP) development.

From: Interaction of breathing pattern and posture on abdominal muscle activation and intra-abdominal pressure in healthy individuals: a comparative cross-sectional study

 

Breathing task

Posture

Posture × breathing task

F value

p value

F value

p value

F value

p value

Inspiratory phase

 TrA-IO

10.878

0.002*

3.906

0.070

2.053

0.164

 EO

0.286

0.835

74.904

0.001*

2.110

0.146

 IAP

9.459

0.001*

54.695

0.001*

2.219

0.101

Expiratory phase

 TrA-IO

12.488

0.001*

0.388

0.544

6.222

0.009*

 EO

6.522

0.014*

76.044

0.001*

4.258

0.011*

 IAP

19.850

0.001*

5.104

0.042*

34.574

0.001*

  1. TrA-IO transverse abdominal and internal oblique muscle, EO external oblique muscle.
  2. *p < 0.05.