Accession Number : ADA115102

Title :   Ventilatory Responses to Exercise While Eliciting the Relaxation Response,


Personal Author(s) : Caudill,Margaret A ; Kutz,Ilan ; Hoffman,John W ; Stainbrook,Gene ; Pandolf,Kent B

Full Text :

Report Date : 16 Apr 1982

Pagination or Media Count : 20

Abstract : The effect of the elicitaton of the relaxation response by use of a meditative technique on selected ventilatory variables was studied in eleven experimental (E) subjects who pedaled on an electrically-braked cycle ergometer at a low exercise intensity (50 W) while simultaneously eliciting this response. Subjects in the E group had regularly elicited the relaxation response for a mean of 5.4 yrs (+ or - 1.4 S.E.). Respiratory rate (breaths/min 18.5C, 13.6E), minute ventilation (liters/min 20.17C, 17.92E), and ventilatory for oxygen (26.06C, 23.16E) decreased and tidal volume (liters/breath 1.15C, 1.49E) increased significantly (p or = 0.05) during the relaxation response period in the E group. None of these ventilatory responses differed significantly (p 0.05) between groups either before or after the meditation period. Differences seen in oxygen uptake and the respiratory exchange ratio between groups throughout exercise were not significant while the heart rate response was significantly higher for the E group throughout exercise. Rated perceived exertion significantly increased in the E group between the meditative (9.7) and post-meditative (11.0) period. These changes demonstrate that a voluntary wakeful mental activity that produces the relaxation response may alter ventilatory responses during exercise.

Descriptors :   *Exercise(Physiology) , Respiration , Physiological effects , Oxygen consumption , Response(Biology) , Rates , Heart rate , Relaxation

Subject Categories : Stress Physiology

Distribution Statement : APPROVED FOR PUBLIC RELEASE