|
Parameter
|
Continuous US*
|
Placebo US
|
P value***
|
|---|
|
Before treatment
|
After 10 sessions
|
After 1 month
|
Before treatment
|
After 10 sessions
|
After 1 month
|
|---|
|
N=24
|
N=24
|
N=21
|
N=24
|
N=24
|
N=18
|
|---|
|
FRI**
|
40.8 (14.6)
|
23.4 (6.9)
|
22.8 (7.8)
|
43.9 (16.9)
|
31.1 (13.4)
|
30.5 (11.9)
|
.49
|
|
VAS**
|
46.6 (17.7)
|
26.6 (13.8)
|
27.7 (14.4)
|
49 (16)
|
30.7 (13.1)
|
25.5 (9.9)
|
.62
|
|
Flexion ROM (millimeters)
|
48.8 (19.4)
|
52.4 (18.6)
|
52.4 (19.60)
|
57.4 (18.9)
|
59.8 (17.9)
|
57.5 (18.3)
|
.13
|
|
Extension ROM (millimeters)
|
19.4 (8.2)
|
20.12 (8.5)
|
21.7 (8.5)
|
23.6 (9.6)
|
24.1 (9.3)
|
24.7 (9.6)
|
.11
|
|
Endurance time(in seconds)
|
111.5 (33.5)
|
128.9 (30.2)
|
128.3 (26.2)
|
134.2 (27.1)
|
140.3 (43.5)
|
139.3 (45.8)
|
.01
|
|
Median frequency slope of right muscles
|
|
Illiocostalis lumborum
|
-.24 (.17)
|
-.21 (.09)
|
-.19 (.07)
|
-.21 (.13)
|
-.20 (.06)
|
-.19 (.06)
|
.56
|
|
Multifidus
|
-.26 (.15)
|
-.26 (.16)
|
-.24 (.13)
|
-.30 (.17)
|
-.25 (.05)
|
-.24 (.05)
|
.82
|
|
Gluteus maximus
|
-.11 (.13)
|
-.09 (.10)
|
-.09 (.10)
|
-.13 (.13)
|
-.09 (.09)
|
-.09 (.1)
|
.65
|
|
Biceps femoris
|
-.12 (.09)
|
-.12 (.08)
|
-.09 (.06)
|
-.11 (.07)
|
-.12 (.07)
|
-.09 (.05)
|
.83
|
|
Median frequency slope of left muscles
|
|
Illiocostalis lumborum
|
-.18 (.11)
|
-.18 (.11)
|
-.16 (.09)
|
-.21 (.12)
|
-.19 (.07)
|
-.18 (.08)
|
.29
|
|
Multifidus
|
-.24 (.14)
|
-.25 (.15)
|
-.25 (.15)
|
-.29 (.21)
|
-.24 (.10)
|
-.25 (.11)
|
.31
|
|
Gluteus Maximus
|
-.06 (.04)
|
-.06 (.06)
|
-.08 (.05)
|
-.09 (.07)
|
-.08 (.05)
|
-.09 (.08)
|
.11
|
- *US: Ultrasound.
- **FRI: Functional Rating Index, VAS: Visual Analog Scale.
- ***p values are for baseline differences between the two groups at significance level ≤ .05.
