Study Results of Collegiate Cross Country Runners
A recent blind study aimed to test the effects of regular use of PowerLung in collegiate cross-country runners. Half of the group used the PowerLung regularly in addition to their training routine while the other half trained without the PowerLung.
This study report presents the effects on pulmonary function and performance from training respiratory muscles with PowerLung when used regularly. Download the full report to read the process, theory and results of the study, and to learn more about how PowerLung and training: