Table 1. Mean (± SD) thickness of the transversus abdominis (TRA) and rectus abdominis (RA) in each testing condition. Mean percentage (%) differences (± standard error of measurement) between each exercise and resting condition are also reported.
Condition
TRA (mm)
% difference compared to rest
RA (mm)
% difference compared to rest
Rest
4.57 ± 0.79
14.80 ± 2.34
ADIM
6.26 ± 0.94
36.98 ± 3.5
13.57 ± 2.36
-8.31 ± 1.89
Bridge
4.84 ± 0.67
5.9 ± 3.28
15.14 ± 2.44
2.22 ± 2.9
Bridge-ADIM
6.72 ± 1.07
47.04 ± 4.15
14.67 ± 3.03
-0.87 ± 2.9
Bridge10
5.06 ± 0.84
10.72 ± 4.37
15.11 ± 2.77
2.02 ± 2.36
Bridge-ADIM10
6.86 ± 0.99
50.10 ± 4.59
14.16 ± 2.83
-4.32 ± 2.22
Bridge20
5.09 ± 0.84
11.37 ± 4.81
15.33 ± 2.85
3.51 ± 3.37
Bridge-ADIM20
6.65 ± 1.43
45.51 ± 6.34
14.44 ± 2.73
-2.43 ± 2.7
N= 20, ADIM= Abdominal drawing-in maneuver, Bridge= pelvic lift, Bridge-ADIM = Bridge with ADIM, 10 = exercise performed with additional resistance of 10 kg,20 = exercise performed with additional resistance of 20 kg