Table 2.

Physical fitness tests for placebo and b240 groups before and after 12 weeks

	Placebo		b240
	0 week	12 weeks	0 week	12 weeks
Step count (steps/day)†	1,510 ± 1,083	3,203 ± 2,054*	1,463 ± 1,153	2,171 ± 2,112*
Right grip strength (kg)	14.8 ± 5.5	15.1 ± 6.0	15.9 ± 4.2	16.0 ± 5.0
Left grip strength (kg)	14.4 ± 4.5	14.7 ± 5.0	17.0 ± 6.9	17.4 ± 7.6
Sit-up (times/30 s)	6.2 ± 1.9	4.4 ± 4.0	4.2 ± 3.1	2.8 ± 2.4
Sit-and-reach (cm)	25.3 ± 7.9	22.8 ± 8.3	26.8 ± 9.9	26.4 ± 8.4
One-leg balance (s)	6.7 ± 6.5	6.7 ± 9.6	19.0 ± 17.2	21.6 ± 21.5
10-m obstacle walking (s)	19.3 ± 16.6	19.0 ± 13.4	15.4 ± 10.9	15.2 ± 11.7

Values are expressed as means ± SD. *Values different from 0 week within group, p<0.05. ^†Treatment × time interaction, p<0.05.