The switching point from nasal to oronasal breathing, Export

@article{Nii80, abstract = {The switching point from nasal to oronasal breathing during incrementally graded submaximal exercise was determined in 30 (14 M, 16 F) healthy adult volunteers. Nasal airflow was measured by a pneumotachograph attached to a nasal mask. Oral airflow was determined as the difference between nasal airflow and total pulmonary airflow, the latter being measured by a head-out exercise body plethysmorgraph. The airflow and pressure signals were sampled every 20 msec by a microprocessor, which calculated respiratory volumes and nasal work of breathing, and produced an on-line print-out. Twenty of the 30 subjects (normal augmenters) switched from nasal to oronasal breathing at submaximal exercise of 105.0 W (SD = 30.1), four subjects (mouth breathers) breathed habitually oronasally, five subjects (nose breathers) persistently through the nose only, and one subject showed no consistent nose/mouth breathing pattern. In normal augmenters, the onset of oronasal breathing () was quite consistent individually, but varied considerably between individuals without showing a significant sex difference. The factors most closely related to the switching point were rating of perceived exertion of breathing and nasal work of breathing.}, author = {Niinimaa, V. and Cole, P. and Mintz, S. and Shephard, R. J.}, citeulike-article-id = {2230433}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/0034-5687(80)90104-8}, citeulike-linkout-1 = {http://www.sciencedirect.com/science/article/B6T3J-47MKN84-F6/2/f44eab7f35a6d2a42a6ba181abc36e90}, doi = {10.1016/0034-5687(80)90104-8}, journal = {Respiration Physiology}, keywords = {breath, exercise, ngd, oronasal, physiological, psychophysiological, respiration}, month = {October}, number = {1}, pages = {61--71}, posted-at = {2008-01-14 13:23:19}, priority = {2}, title = {The switching point from nasal to oronasal breathing,}, url = {http://dx.doi.org/10.1016/0034-5687(80)90104-8}, volume = {42}, year = {1980} }

TY - JOUR ID - Nii80 L3 - citeulike-article-id:2230433 N2 - The switching point from nasal to oronasal breathing during incrementally graded submaximal exercise was determined in 30 (14 M, 16 F) healthy adult volunteers. Nasal airflow was measured by a pneumotachograph attached to a nasal mask. Oral airflow was determined as the difference between nasal airflow and total pulmonary airflow, the latter being measured by a head-out exercise body plethysmorgraph. The airflow and pressure signals were sampled every 20 msec by a microprocessor, which calculated respiratory volumes and nasal work of breathing, and produced an on-line print-out. Twenty of the 30 subjects (normal augmenters) switched from nasal to oronasal breathing at submaximal exercise of 105.0 W (SD = 30.1), four subjects (mouth breathers) breathed habitually oronasally, five subjects (nose breathers) persistently through the nose only, and one subject showed no consistent nose/mouth breathing pattern. In normal augmenters, the onset of oronasal breathing () was quite consistent individually, but varied considerably between individuals without showing a significant sex difference. The factors most closely related to the switching point were rating of perceived exertion of breathing and nasal work of breathing. IS - 1 JF - Respiration Physiology EP - 71 TI - The switching point from nasal to oronasal breathing, VL - 42 SP - 61 KW - breath KW - exercise KW - ngd KW - oronasal KW - physiological KW - psychophysiological KW - respiration AU - Niinimaa, V AU - Cole, P AU - Mintz, S AU - Shephard, RJ PY - 1980/10// UR - http://dx.doi.org/10.1016/0034-5687(80)90104-8 ER -