NDLI: Long-term moderate exercise accelerates the recovery of stress-evoked cardiovascular responses.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Hsu, Yuan-Chang Tsai, Sheng-Feng Yu, Lung Chuang, Jih-Ing Wu, Fong-Sen Jen, Chauying J. Kuo, Yu-Min
Description	Country affiliation: Taiwan Author Affiliation: Hsu YC ( a Institute of Basic Medical Sciences, National Cheng Kung University , Tainan , Taiwan .); Tsai SF ( a Institute of Basic Medical Sciences, National Cheng Kung University , Tainan , Taiwan .); Yu L ( a Institute of Basic Medical Sciences, National Cheng Kung University , Tainan , Taiwan .); Chuang JI ( b Institute of Behavioral Medicine, National Cheng Kung University , Tainan , Taiwan .); Wu FS ( a Institute of Basic Medical Sciences, National Cheng Kung University , Tainan , Taiwan .); Jen CJ ( c Department of Physiology , National Cheng Kung University , Tainan , Taiwan , and.); Kuo YM ( a Institute of Basic Medical Sciences, National Cheng Kung University , Tainan , Taiwan .)
Abstract	Psychological stress is an important global health problem. It is well documented that stress increases the incidences of various cardiovascular disorders. Regular exercise is known to reduce resting blood pressure (BP) and heart rate (HR). This study was designed to clarify the effects of long-term exercise on stress-evoked cardiovascular responses and to emphasize post-stress recovery effects. Male Wistar rats underwent 8 weeks of moderate treadmill training, with cardiovascular responses, autonomic nervous system activities and local Fos reactivity changes in the cardiovascular regulation center were monitored before, during and after immobilization stress. A spectral analysis of cardiovascular parameters was used to examine autonomic nervous activities. We found that long-term exercise (i) lowered resting BP, HR and sympathetic activity, but increased resting parasympathetic activity and baroreflex sensitivity (BRS); (ii) accelerated post-stress recovery of stress-evoked cardiovascular and sympathetic responses along with increased BRS and (iii) accelerated post-stress recovery of stress-evoked neuron activations in the paraventricular nucleus, but delayed it in the nucleus of the tractus solitarius. We conclude that, in rats, long-term exercise accelerated recovery of stress-evoked cardiovascular responses differentially altering hypothalamic and medullar neuron activities.
File Format	HTM / HTML
ISSN	10253890
Issue Number	1
Volume Number	19
e-ISSN	16078888
Journal	Stress
Language	English
Publisher	Taylor & Francis
Publisher Date	2016-01-01
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Discipline Neurology Parasympathetic Nervous System Physiopathology Physical Conditioning, Animal Physiology Stress, Physiological Stress, Psychological Sympathetic Nervous System Animals Autonomic Nervous System Baroreflex Blood Pressure Cardiovascular Diseases Cardiovascular System Exercise Test Heart Rate Male Paraventricular Hypothalamic Nucleus Rats Rats, Wistar Rest Restraint, Physical Solitary Nucleus Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Physiology Endocrine and Autonomic Systems Behavioral Neuroscience Neuropsychology and Physiological Psychology Psychiatry and Mental Health

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