Dynamics of Changes in Isometric Strength and Muscle Imbalance in the Treatment of Women with Low back Pain

Table 1

Variables of muscle strength and their imbalance in the study group (A).

Variable	Prelim-test X; SD	Prelim-test CV	Test after 2 weeks X; SD	Test after 2 weeks CV	Test after 4 weeks X; SD	Test after 4 weeks CV	Test after 6 weeks X; SD	Test after 6 weeks CV
Strength of flexor muscles in lumbar spine section	61.54 ± 19.05	30.95	76.85 ± 29.94	38.96	81.23 ± 24.43	30.08	86.61 ± 24.79	28.63
Strength of extensor muscles in lumbar spine section	105.82 ± 28.45	26.88	142.71 ± 51.25	35.91	154.97 ± 37.87	24.44	159.6 ± 45.02	28.21
Strength of rotator muscles in left direction of lumbar spine section	26.65 ± 13.33	50.02	40.2 ± 16.64	41.4	42.35 ± 12.93	30.52	46.01 ± 16.04	34.88
Strength of rotator muscles in right direction of lumbar spine section	28.1 ± 10.45	37.18	37.3 ± 14.25	38.2	45.43 ± 14.38	31.65	46.5 ± 18.5	39.79
Strength of flexor muscles in left direction of lumbar spine section	36.72 ± 17.8	48.47	45.16 ± 19.68	43.58	50.63 ± 20.2	39.89	53.71 ± 17.88	33.3
Strength of flexor muscles in right direction of lumbar spine section	37.7 ± 14.5	38.48	42.72 ± 16.55	38.73	50.44 ± 20.36	40.37	52.07 ± 18.81	36.12
Ratio of flexor to extensor muscle strength	0.59 ± 0.14	23.09	0.56 ± 0.16	29.29	0.55 ± 0.18	32.36	0.56 ± 0.15	26.01
Ratio of rotator muscle strength in left direction to rotator muscle strength in right direction	0.94 ± 0.23	24.82	1.12 ± 0.36	32.37	0.91 ± 0.25	27.59	1.04 ± 0.27	25.72
Ratio of flexor muscle strength in left direction to flexor muscle strength in right direction	0.97 ± 0.23	23.99	1.1 ± 0.47	42.21	1.04 ± 0.22	21.54	1.05 ± 0.24	22.56