Effect of Whole-Body Vibration Training on Muscle Activation for Individuals with Knee Osteoarthritis

Table 4

Main effects of angle on the EMG%_MVC of VL, RF, S, and BF.

Muscle	Angle		95% CI			Partial
VL	0°		5.3-8.3	12.603	0.001	0.227
	30°		26.5-32.5
	60°		34.1-78.8
RF	0°		5.5-8.2	33.690	<0.001	0.439
	30°		15.8-20.6
	60°		22.3-29.5
S	0°		6.0-9.4	1.132	0.304	0.026
	30°		6.3-10.3
	60°		7.1-11.6
BF	0°		2.1-3.1	54.930	<0.001	0.561
	30°		10.8-14.4
	60°		16.8-21.6

Abbreviations: EMG%_MVC: muscle activation rate; VL: vastus lateralis; RF: rectus femoris; S: semitendinosus; BF: biceps femoris; CI: confidence interval.