Effects of breathing exercises on resting metabolic rate and maximal oxygen uptake.
Min-Sik Yong, Yun-Seob Lee, Hae-Yong Lee
PMID 30214120WHAT IT FOUND
Both breathing exercises were followed by higher oxygen uptake scores in healthy adults, and diaphragm breathing was followed by higher resting metabolic rate scores.
The two exercises did not differ from each other.
Key findings
01Both breathing exercises were followed by higher oxygen uptake values after practice.
02Resting metabolic rate changed significantly after diaphragm breathing but not after feedback breathing.
03The two exercises did not show significant differences between groups for oxygen uptake or resting metabolic rate.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The participants were healthy adults with no neuromuscular, orthopedic, or cardiopulmonary disorder, so the study does not show what would happen in older adults or patients with breathing problems. There was no control group or no-treatment comparison, so changes after practice cannot be separated from repeated testing or simple time effects. The paper does not describe the randomisation method, blinding, or allocation concealment. The study reports only immediate before and after measurements, so long-term effects are unknown. The sample was small, with 38 participants.
Declared interests
This research was supported by Youngsan University Research Grants in 2016. The authors declared no conflict of interest.
The easy way to misread this
Do not conclude diaphragm breathing is better than feedback breathing. The study found no significant between-group differences for oxygen uptake or resting metabolic rate.