Autonomic Nervous and Hormonal Responses on the Voluntary Abdominal Breathing Using the Diaphragm in Healthy Women

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  • 健康成人女性を対象とした腹式呼吸による自律神経反応と尿中ホルモンの変化
  • ケンコウ セイジン ジョセイ オ タイショウ ト シタ フクシキ コキュウ ニ ヨル ジリツ シンケイ ハンノウ ト ニョウチュウ ホルモン ノ ヘンカ

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The purpose of this study is to elucidate the effects of voluntary abdominal breathing using the diaphragm on the autonomic nervous response, cardiovascular responses and urine hormones in healthy women. Cardiovascular responses during the abdominal breathing were the similar responses during the spontaneous breathing. Heart rate during the abdominal breathing was gradually decreased and blood pressure was shown a few increases, but not significantly. Using the Rolenz plot methods of the Heart rate variability, we analyzed the autonomic nervous responses during the abdominal breathing. The abdominal breathing at 6 breaths / min significantly increases Log (L×T) indicated the activities in parasympathetic nervous response compared with that of resting state before the abdominal breathing. Noradrenaline, adrenaline and cortisol concentration in Urine after the abdominal breathing were significantly lower than that of resting state before the abdominal breathing. It is suggested that the voluntary abdominal breathing using the diaphragm similar to the spontaneous breathing induced the relaxation to the reaction of a living body. This effects about the abdominal breathing appear potentially beneficial in manage of the stress.

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