Table 2. Effects of a 6-week flywheel resistance exercise training program on postural balance and mobility in older adults (n=34).

	ETG			CON
	Pretest (Mean ± SD)	Postest (Mean ± SD)	P *	Pretest (Mean ± SD)	Postest (Mean ± SD)	P *	P ‡	Between-group differences (95% CI)
TUG (s)	6.25 ± 1.38	5.42 ± 0.74	<0.01*	6.24 ± 1.02	6.08 ± 0.86	.482	.023‡	-.68 (-1.25 to -.98)
OE_COP (mm)	13.26 ± 4.45	13.50 ± 3.73	.708	13.70 ± 3.95	14.91 ± 4.29	.099	.309	-.97 (-2.89 to .94)
OE_AP (mm)	6.26 ± 4.11	4.58 ± 1.51	.050*	6.47 ± 3.02	7.70 ± 3.95	.028*	.004‡	-2.90 (-4.82 to -.99)
OE_ML (mm)	11.48 ± 5.44	11.63 ±3.36	.844	10.79 ± 2.86	11.15 ± 3.20	.461	.819	-.21 (-2.06 to 1.64)
CE_COP (mm)	20.94 ± 6.70	19.74 ± 5.43	.081	18.87 ± 5.30	17.96 ± 3.75	.242	.705	-.40 (-2.51 to 1.72)
CE_AP (mm)	7.34 ± 3.13	6.76 ± 2.61	.337	6.69 ± 2.26	6.83 ± 2.00	.777	.351	-.72 (-2.28 to .83)
CE_ML (mm)	17.89 ± 5.80	17.99 ± 5.84	.920	15.21 ± 4.77	15.05 ±4.05	.479	.635	.57 (-1.86 to 3.01)
CT_COP (mm)	13.85 ± 4.82	14.38 ± 3.69	.382	14.30 ± 5.26	14.56 ± 3.98	.818	.640	.74 (-2.46 to 3.95)
CT_AP (mm)	5.41 ± 1.84	5.27 ± 1.82	.792	6.14 ± 3.40	6.54 ± 2.91	.604	.561	-.54 (-2.41 to 1.33)
CT_ML (mm)	11.06 ± 4.32	11.42 ± 2.79	.630	10.92 ± 3.14	11.31 ±3.15	.826	.632	.56 (-1.81 to 2.93)

TUG: Timed up and go test; COP: center of pressure excursions; OE: Open eyes; CE: Closed eyes; CT: Cognitive Task; AP: antero-posterior axis; ML: medio-lateral axis. Statistically significant differences (p < 0.05).* Within-group differences, P value from 1-way ANOVA (time factor).‡ Between-groups differences, P value from 2x2 (GroupxTime) ANOVA with repeated measurements for the time factor.