After the learning phase
and a period of 15 minutes rest, the respiratory
pattern was recorded for 2 minutes during DB and
PB performed in a randomly assigned order, which
was contained in opaque, sealed envelopes that
were shuffled, distributed, and opened immediately
before the evaluation. The breathing techniques were
performed in the supine position2
with a 15-minute
interval. The inspiratory and expiratory times were
not standardized, and the subjects were free to
perform the exercises at their own pace (Figure 1).
All subjects completed both breathing techniques
and care was taken to ensure that the proportion of
subjects who started assessing DB was equal to that
of PB.
After the learning phase
and a period of 15 minutes rest, the respiratory
pattern was recorded for 2 minutes during DB and
PB performed in a randomly assigned order, which
was contained in opaque, sealed envelopes that
were shuffled, distributed, and opened immediately
before the evaluation. The breathing techniques were
performed in the supine position2
with a 15-minute
interval. The inspiratory and expiratory times were
not standardized, and the subjects were free to
perform the exercises at their own pace (Figure 1).
All subjects completed both breathing techniques
and care was taken to ensure that the proportion of
subjects who started assessing DB was equal to that
of PB.
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