Dynamics of Changes in Isometric Strength and Muscle Imbalance in the Treatment of Women with Low back Pain
Table 4
Differences in the dynamics of changes in muscle strength and their imbalance between the study group (A) and the control group (B) demonstrated by analysis of variance (ANOVA).
Variable
Group A (Nm) X; SD
Group B (Nm) X; SD
F
Differences between study (A) and control (B) groups after 2 weeks of therapy
Rotator muscle strength in left direction of lumbar section
40.2 ± 16.64
28.28 ± 16.2
5.38
0.03
Differences between study group (A) and control group (B) after 4 weeks of therapy
Rotator muscle strength in left direction of lumbar section
42.35 ± 12.93
31.41 ± 17.28
5.13
0.03
Rotator muscle strength in right direction of lumbar section
45.43 ± 14.38
31.82 ± 16.28
7.93
0.01
Differences between study group (A) and control group (B) after 6 weeks of therapy
Strength of extensor muscles in lumbar spine section
159.59 ± 45.02
121.68 ± 51.59
6.19
0.02
Rotator muscle strength in left direction of lumbar section
46.01 ± 18.04
33.10 ± 18
5.79
0.02
Extensor muscle strength in right direction of lumbar section
52.07 ± 18.81
38.90 ± 16.44
5.71
0.02
Ratio of flexor muscle strength in left direction to flexor muscle strength in right direction
