Table 2. Outcomes for dynamic stretching with or without vibration foam rolling
Parameters DS DS + VFR
Pre Post Change %
Change
Effect size p Pre Post Change %
Change
Effect size p
Knee ROM Flexion
(degrees)
124.1
(7.2)
126.4
(7.4)*
2.38
(6.8)
1.92 0.3 0.033 122.8
(8.1)
123.2
(10.3)
0.4
(6.9)
0.33 0.1 0.692
Extension
(degrees)
143.0
(10.7)
146.8
(12.5)*
3.74
(9.7)
2.62 0.3 0.019 142.7
(9.4)
146.8
(10.5)*
4.1
(8.0)
2.87 0.4 0.003
Muscle stiffness Quadriceps 258.9
(27.6)
268.5
(33.7)*
9.7
(16.5)
3.74 0.3 0.001 265.6
(23.7)
258.2
(32.1)*
-7.4
(18.7)† 
-2.79 0.3 0.017
Gastrocnemius 329.3
(61.7)
363.5
(70.2)*
34.2
(59.2)
10.39 0.5 0.001 314.6
(39.8)
314.6
(33.9)
0.1
(36.8)† 
0.03 0 0.993
CMJ Height
(cm)
37.7
(9.5)
39.6
(10.5)*
1.9
(3.9)
5.04 0.2 0.004 37.4
(9.3)
38.2
(9.6)*
0.9
(2.5)
2.41 0.1 0.037
Agility Total time (s) 18.1
(1.7)
17.3
(1.9)*
-0.9
(1.0)
-4.97 0.4 <0.001 19.0
(1.8)
18.7
(0.6)*
-0.9
(0.7)
-4.74 0.2 <0.001
* Significant difference (p < 0.05) compared with the pretest results.† Significant difference (p < 0.05) compared with DS.