The Journal of Korean Physical Therapy

Table. 2.

Table. 2. Table 2

Comparison of muscle activity between PS and IS (Unit: %MVIC)

	NS	GS	WS	SS
RF
IS	37.48±23.82	34.08±23.99	37.62±22.88	34.70±16.44
PS	22.03±17.03	13.38±0.78	16.90±10.71	24.33±24.21
t	1.80	2.71	2.83	1.19
p	0.09	0.01*	0.01*	0.25
TA
IS	50.09±29.52	15.43±15.22	28.40±8.63	38.04±21.25
PS	47.32±17.18	13.36±13.14	34.11±12.32	33.20±16.78
t	0.28	0.35	2.90	0.61
p	0.78	0.73	0.01*	0.55
VM
IS	48.66±29.02	46.46±27.14	51.07±26.84	47.52±17.72
PS	36.71±11.88	34.11±12.35	34.32±13.18	32.09±10.94
t	1.32	1.43	1.93	2.53
p	0.20	0.17	0.07	0.02*

Values are mean±SD.

NS: normal squat, GS: gym ball squat, WS: wedge squat, SS: strap squat, RF: rectus femoris, TA: tibialis anterior, VM: vastus medialis, IS: impossible squat, PS: possible squat.

^*p<0.05.

J Kor Phys Ther 2022;34:63-7 https://doi.org/10.18857/jkpt.2022.34.2.63