Total and Compartmental Chest Wall Volumes, Lung Function, and Respiratory Muscle Strength in Individuals with Abdominal Obesity: Effects of Body Positions
Table 2
Effects of abdominal obesity and body positions on lung function.
Parameters
Groups
Body positions
Interaction effects (F3, 36) values
Sitting (SIT)
Sitting with back support (SWB)
Fowler’s position (FW)
Supine (SUP)
Lung function
FVC (L)
Healthy control
4.53 ± 0.12
4.51 ± 0.11
4.25 ± 0.11
4.16 ± 0.11
0.001
Abdominal obesity
3.94 ± 0.12
3.98 ± 0.11
3.76 ± 0.11
3.65 ± 0.11
0.001
FEV1 (L)
Healthy control
3.75 ± 0.10
3.73 ± 0.11
3.54 ± 0.11
3.39 ± 0.12
0.001
Abdominal obesity
3.23 ± 0.10
3.20 ± 0.11
2.91 ± 0.11
2.69 ± 0.12
0.001
FEV1/FVC (%)
Healthy control
82.78
82.67
83.29
81.49
Abdominal obesity
81.98
80.40
77.39
73.70
0.001
PEFR (L)
Healthy control
6.49 ± 0.28
6.25 ± 0.25
6.12 ± 0.25
5.74 ± 0.23
0.001
Abdominal obesity
5.07 ± 0.28
5.21 ± 0.25
5.02 ± 0.25
4.54 ± 0.23
0.001
ERV (L)
Healthy control
1.12 ± 0.02
1.11 ± 0.37
0.95 ± 0.03
0.90 ± 0.03
Abdominal obesity
0.94 ± 0.02
0.92 ± 0.04
0.77 ± 0.03
0.65 ± 0.03
0.001
Significant difference between control and abdominal obesity groups (); significant difference compared with sitting position in the same group; significant difference compared with sitting with back support in the same group (),†significant difference compared with Fowler’s position in the same group ().
