Journal of The Korean Society of Physical Medicine

Table. 3.

Table. 3. Table 3

Results of Repeated Measure Two-way ANOVA for Lower Extremity Muscles EMG According to the Changes in knee Angle and Weight Shifting of the Sole

muscle	knee angle	foot condition			Source	p-value

		GB	HPB	FPB
RF	90°	7.84±3.86	10.10±4.38^a	10.29±4.38^a	knee flexion	.271
	90°	7.84±3.86	10.10±4.38^a	10.29±4.38^a	weight-shifting	.001*
	60°	7.96±2.41	8.86±2.42^a	9.76±3.4^a	knee flexion	.100
	60°	7.96±2.41	8.86±2.42^a	9.76±3.4^a	x weight-shifting	.100

VMO	90°	18.73±9.96	25.43±10.48^a	27.30±14.21^a	knee flexion	.700
	90°	18.73±9.96	25.43±10.48^a	27.30±14.21^a	weight-shifting	.010*
	60°	19.71±9.71	23.96±10.92^a	25.44±11.96^a	knee flexion	.576
	60°	19.71±9.71	23.96±10.92^a	25.44±11.96^a	x weight-shifting	.576

VL	90°	12.32±4.19	17.97±5.26^a	20.96±8.28^a	knee flexion	.596
	90°	12.32±4.19	17.97±5.26^a	20.96±8.28^a	weight-shifting	.000*
	60°	13.43±7.77	16.34±9.7^a	18.83±9.02^a	knee flexion	.117
	60°	13.43±7.77	16.34±9.7^a	18.83±9.02^a	x weight-shifting	.117

BF	90°	21.06±12.15^bc	36.32±21.04^ac	51.75±31.79^ab	knee flexion	.000*
	90°	21.06±12.15^bc	36.32±21.04^ac	51.75±31.79^ab	weight-shifting	.000*
	60°	38.02±18^†bc	49.94±26.9^†ac	57.75±29^†ab	knee flexion	.049*
	60°	38.02±18^†bc	49.94±26.9^†ac	57.75±29^†ab	x weight-shifting	.049*

Mean ± Standard deviation (%MVIC), RF: rectus femoris, VMO: vastus medialis oblique, VL: vastus lateralis, BF: biceps femoris Knee angle: Knee flexion 90˚, Knee flexion 60˚, Weight-shifting: GB- general Bridge, HPB- Hind-foot Press Bridge, FPB- Fore-foot Press Bridge

Weight-shifting: GB- general bridge, HPB- hindfoot press bridge, FPB- fore-foot press bridge, †Statistically significant at knee flexion (p < .05)

^a,b,cSignificant difference with GB, HPB, FPB (p < .05), *: Statistically significant at the level of p < .05.

J Korean Soc Phys Med 2022;17:21-8 https://doi.org/10.13066/kspm.2022.17.2.21 Copy to Clipboard