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Table 2: Median changes in ultrasonographic measurements of the multifidus and abdominal muscles at 3 months for all participants. N = 21. |
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|
Muscle thickness (mm) |
Initial |
3 months |
p* |
|
RM-r |
15.4 (6-34.7) |
24.7 (7.4-36.7) |
0.001 |
|
RM-c |
19.7 (7.6-38.5) |
32.6 (8.6-48.3) |
0.001 |
|
LM-r |
18 (7.6-32.6) |
27.7 (9.2-38.7) |
0.001 |
|
LM-c |
21.3 (9.3-37) |
34.0 (10.4-45.0) |
0.001 |
|
REO-r |
5.3 (1-9.5) |
3.6 (1.2-16.3) |
0.570 |
|
REO-c |
5.2 (2.4-8.3) |
4.3 (1.5-9.5) |
0.360 |
|
LEO-c |
5.1 (1.8-9.1) |
4.2 (2.2-10) |
0.430 |
|
LEO-c |
5.2 (2-6.9) |
3.5 (1.9-7.9) |
0.060 |
|
RIO-r |
6.1 (3.9-11.3) |
7.1 (2.7-9.5) |
0.800 |
|
RIO-c |
7.7 (5.1-13.1) |
7 (2.8-10.8) |
0.330 |
|
LIO-r |
6.5 (5-11.1) |
7.1 (3.7-9.9) |
0.800 |
|
LIO-c |
7.9 (5.4-12) |
7.9 (5.4-12) |
0.210 |
|
RTrA-r |
7.9 (3.6-13.2) |
8.6 (3.5-13.1) |
0.660 |
|
RTrA-c |
9.7 (4.4-15.4) |
9.2 (4.8-18) |
0.680 |
|
LTrA-r |
6.3 (3.2-13.7) |
8.3 (2.5-17.5) |
0.230 |
|
LTrA-c |
8.9 (4.7-15.6) |
9.3 (4.3-18.3) |
0.240 |
|
RM = right multifidus. LM = left multifidus, REO = right external oblique. LEO = left external oblique. RIO = right internal oblique. LIO = left internal oblique. RTrA = right abdominal transverse. LTrA = left abdominal transverse. c = in contraction, r = in relaxation. * Wilcoxon for related samples. |
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