Breathing Under Load

Runners who wear respirators during exercise experience changes in their breathing patterns. A recent study looked at how these masks affect the way people breathe while running on a treadmill. The researchers worked with 20 competitive runners, 10 men and 10 women, who were young and fit.

The study found that wearing a respirator didn't affect how much air the runners took in or how often they breathed. But it did change how they breathed. When the runners wore the mask, they used their abdominal muscles more to breathe, especially when they were running hard.

The researchers used a special device to measure how the runners breathed. They found that the mask reduced the use of the ribcage muscles and increased the use of the abdominal muscles. This change happened when the runners were running at high intensities.

The study also looked at differences between men and women. The women in the study tended to use their ribcage muscles more to breathe, but this wasn't true for all of them.

The findings suggest that fit athletes like runners can adapt to wearing respirators during exercise. They can still breathe efficiently even when their breathing is restricted. This has implications for athletes, people in rehabilitation, and workers who have to wear respirators on the job.

The study's results are based on a clinical trial that was registered on ClinicalTrials.gov. The trial number is NCT07032740.