Figure 4 The exhale carbon monoxide (CO) between pre-
(oblique line) and post-(no line) intervention periods in each
group, control, VC, exercise with VC, and exercise only. Each bar
represented the mean and standard deviation, and significant level at
p < 0.05 (#).
Figure 5 The beta-endorphin levels between pre- (oblique line)
and post-(no line) intervention periods in each group, control,
VC, exercise with VC, and exercise only. Each bar represented the
mean and standard deviation, and significant level at p < 0.05 (#) and
p < 0.001 (# #).
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