NASAL DILATORS DO NOT AFFECT PHYSIOLOGICAL FACTORS
Overend, T. J., Occleshaw, S. A., & Young, R. T. (1998). Effect of an external nasal dilator during mouth-occluded exercise. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 1584.
Male (N = 20) recreational athletes performed two bouts of incremental treadmill exercise to exhaustion. On both occasions the mouth was taped shut. One trial was with a nasal strip, the other without.
The nasal dilator strip had no effect on objective measures of physiological factors involved in maximal treadmill exercise when the mouth was occluded.
Implication. Nasal strips do not enhance physiological performance factors.
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