Table 1. Comparison of muscle strength, TUG time, and step length.

		Before	After	Difference	Difference between groups	Before
Muscle strength	RF	SC	6.42±1.06	8.05±0.89	1.63±0.53*	0.00*
		SUD	6.59±1.83	7.2±1.74	0.61±0.43*
	GCM	SC	3.76±1.02	5.0±0.91	1.24±0.45*	0.22
		SUD	4.98±1.43	6.5±1.55	1.51±0.6*
	TA	SC	3.53±1.16	4.9±1.3	1.37±0.58*	0.01*
		SUD	4.39±1.26	6.41±1.21	2.02±0.64*
TUG		SC	23.08±5.9	19.83±5.7	3.25±0.62*	0.07
		SUD	23.75±8.09	21.08±7.84	2.66±0.88*
Step length		SC	23.45±12.16	17.66±10.92	5.78±4.75*	0.25
		SUD	23.12±9.05	19.2±8.17	3.92±2.68*

SC: Step climbing exercise group, SUD: Stair gait exercise group, RF: rectus femoris, TA: tibialis anterior, GCM: gastrocnemius, TUG: Timed Up and Go test