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Is Man Able to Breathe Once a Minute for an Hour?: The Effect of Yoga Respiration on Blood Gases

Jpn J Physiol Vol.52, No.3 pp.313-316
Miharu Miyamura, Kinya Nishimura, Koji Ishida, Keisho Katayama, Midori Shimaoka, Shuichi Hiruta
Abstract: The ventilatory response to hypercapnia and arterial blood gases during ujjai respiration of once per minute for an hour were determined in a professional hatha yogi. The results suggest that lower chemosensitivity to hypercapnia in yoga practitioners may be due to an adaptation to low arterial pH and high PaCO2 for long periods.

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Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya 464-8601, Japan. miyamura@htc.nagoya-u.ac.jp
Copyright© 2007 by The Physiological Society of Japan