Subjects
A total of 560 male high school students from
Zanjan (Iran) were initially assessed by participating
in 1 km run/walk test. According to the results of the
test 128 participants had poor endurance performance
(run time >7minutes) out of which, 47 were
overweight (BMI>25) or obese (BMI>30). A
subgroup of 30 out of these 47 overweight or obese
students was selected as under study subjects and
written informed consent was obtained from them.
Inclusion criteria were FEV1 and FVC significantly
(p90%
predicted and FVC>80% predicted, physical
inactivity at least for two years before this study, no
lung infection or smoking history. The exclusion
criterion was presence of airway hyperresponsiveness.