Key result
Real-time OEP phase angle and volume feedback acutely improved breathing pattern synchrony in individuals with DBP, significantly increasing RcAbPhase from -2.89° to -1.39° (p<0.01).
Why the study?
To investigate if a newly developed real-time OEP phase angle and volume feedback system could achieve a greater reduction of phase angle values compared to volume feedback alone during acute breathing retraining.
Does real-time OEP phase angle and volume feedback improve breathing movement synchrony in individuals with dysfunctional breathing patterns compared to volume feedback alone?
RCT (n=18)
Randomized
Does real-time OEP phase angle and volume feedback improve breathing movement synchrony in individuals with dysfunctional breathing patterns compared to volume feedback alone?
p-value: p=<0.01
Real-time OEP phase angle feedback acutely improves breathing pattern synchrony in individuals with dysfunctional breathing patterns.
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Acutely improves breathing synchrony in DBP; extends biofeedback evidence but leaves clinical outcome effects open.
Smyth et al. (2021) conducted an RCT in Dysfunctional breathing patterns (n=18). Real-time OEP phase angle and volume feedback vs. Real-time OEP volume feedback alone was evaluated on Phase angle between the ribcage versus abdomen (RcAbPhase), pulmonary ribcage and combined abdominal ribcage and abdomen (RCpAbPhase), and abdomen and shoulders (AbSPhase) (p=<0.01). Real-time OEP phase angle and volume feedback acutely improved breathing pattern synchrony in individuals with DBP, significantly increasing RcAbPhase from -2.89° to -1.39° (p<0.01).
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