Related Experiment Video
Updated: Aug 11, 2026

06:57
Effects of Surgical Masks on Cardiopulmonary Function in Healthy Subjects
Published on: February 12, 2021
Effects of an external nasal dilator strip on differentiated ratings of perceived exertion
T J Pujol1, M E Langenfeld, J R Hinojosa
1Department of Health and Leisure, Southeast Missouri State University, Cape Girardeau 63701, USA.
Perceptual and Motor Skills
|August 13, 1998
Abstract:
17 college-age subjects performed two 20-min. runs at 65% of maximal oxygen consumption. Randomized trials were conducted with an external nasal dilator strip or without. Subjects were polled every 5 min. for over-all rating of perceived exertion, central rating of perceived exertion, and local rating of perceived exertion. The use of an external nasal dilator strip did not significantly lower any of the three

