|
STRENGTH training group
|
STRETCHING group
|
---|
|
Difference BL - 4 to 6 months
|
p-value
|
Difference BL - 12 months
|
p-value
|
Difference BL - 4 to 6 months
|
p-value
|
Difference BL - 12 months
|
p-value
|
---|
|
Median (25, 75 percentile)
| |
Median (25, 75 percentile)
| |
Median (25, 75 percentile)
| |
Median (25, 75 percentile)
| |
---|
|
Primary outcomes
| |
|
Pain intensity in the neck and shoulders
| |
Pain neck (NRS)
|
1 (−0.75, 3)
|
NS
|
2 (−1, 5)
|
NS
|
1 (−2, 2)
|
NS
|
1 (0, 2)
|
0.009
|
Pain shoulder (NRS)
|
1 (−2.75, 2.75)
|
NS
|
1 (−1, 3)
|
NS
|
1 (−1, 4)
|
NS
|
1 (0, 2)
|
0.017
|
|
Function
| |
Function (NDI)
|
2 (0, 5.5)
|
0.036
|
4 (2, 8)
|
0.002
|
1 (−2, 4)
|
NS
|
4 (−1, 10)
|
0.015
|
|
Secondary outcomes*
| |
|
Range of motion in the neck (degrees)
| |
Neck flexion
|
−4 (−12.25, 2)
|
0.043
|
−2 (−9, 3)
|
NS
|
−2 (−12, 0)
|
NS
|
−6 (−16, 4)
|
NS
|
Neck extension
|
−9 (−15, -1.5)
|
0.004
|
−11 (−25, -2)
|
0.002
|
−6 (−19, -2)
|
0.002
|
−12 (−14, 0)
|
0.003
|
Lat. flex. right
|
−8 (−12, -2)
|
<0.001
|
−6 (−12, -2)
|
<0.001
|
−6 (−10, -2)
|
0.003
|
−6 (−14, 4)
|
<0.001
|
Lat. flex. left
|
−3.5 (−8.5, 0)
|
0.002
|
−8 (−10, 0)
|
0.002
|
−2 (−12, 4)
|
NS
|
−10 (−16, -2)
|
0.001
|
Rotation right
|
−6 (−10, 1)
|
0.002
|
−2 (−8, 1)
|
0.006
|
−2 (−10, 4)
|
NS
|
−4 (−14, 0)
|
NS
|
Rotation left
|
−9 (−12, -4)
|
<0.001
|
−10 (−13, -2)
|
<0.001
|
0 (−8, 4)
|
NS
|
−6 (−10, 2)
|
0.026
|
|
Strength in neck and shoulders (N) = Newton, (#) = numbers of repetition
| |
Neck flex, (N)
|
−17 (−29, -9)
|
<0.001
|
−17 (−29, -12)
|
<0.001
|
−11 (−20, -1)
|
0.011
|
−5 (−22, 3)
|
NS
|
Neck ext, (N)
|
−30 (−55, -16)
|
<0.001
|
−40 (−57, -17)
|
<0.001
|
−28 (−44, -15)
|
0.002
|
−25 (−30, -12)
|
0.001
|
Shod. abd. 4 kg, (#)
|
−5 (−10, -1)
|
0.001
|
−8 (−16, -4)
|
<0.001
|
−1 (−4, 0)
|
0.044
|
−2 (−6, 0)
|
NS
|
Stand. row4 kg, (#)
|
−13 (−23, -5)
|
<0.001
|
−18 (−25, -6)
|
<0.001
|
−5 (−10, 0)
|
0.001
|
−6 (−13, -4)
|
0.003
|
- BL compared to 4 to 6 months of training and BL compared to 12 months of training. Statistical analysis is performed with Wilcoxon signed rank test.
- *An improvement in secondary outcomes is shown by a negative number (contrary to primary outcomes).