Exercise training augments cardiopulmonary baroreflex control of forearm vascular resistance in middle-aged subjects. 1988

S Jingu, and A Takeshita, and T Imaizumi, and M Nakamura, and M Shindo, and H Tanaka
Research Institute of Angiocardiology and Cardiovascular Clinic, Faculty of Medicine, Kyushu University, Fukuoka, Japan.

Nine subjects (average age 56 +/- 7 years old) underwent sitting cycle ergometer exercise for four months. Exercise capacity and maximal VO2 increased after exercise training in these subjects. Forearm vascular responses to lower body negative pressure (LBNP) at -10 and -40 mmHg were compared before and after exercise training. The magnitude of reflex forearm vasoconstriction in response to LBNP at -10 mmHg was greater after exercise training than before. The decreases in central venous pressure during LBNP at -10 mmHg were similar before and after exercise training. The pressor and forearm vasoconstrictive responses to the cold pressor test also did not differ before and after exercise training. These results suggest that mild exercise training in middle-aged subjects augments the tonic inhibitory influence of the cardiopulmonary receptors on forearm vascular resistance.

UI MeSH Term Description Entries
D008150 Lower Body Negative Pressure External decompression applied to the lower body. It is used to study orthostatic intolerance and the effects of gravitation and acceleration, to produce simulated hemorrhage in physiologic research, to assess cardiovascular function, and to reduce abdominal stress during childbirth. Abdominal Decompression,Decompression, Abdominal,LBNP
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010806 Physical Education and Training Instructional programs in the care and development of the body, often in schools. The concept does not include prescribed exercises, which is EXERCISE THERAPY. Education, Physical,Physical Education,Physical Education, Training
D011311 Pressoreceptors Receptors in the vascular system, particularly the aorta and carotid sinus, which are sensitive to stretch of the vessel walls. Baroreceptors,Receptors, Stretch, Arterial,Receptors, Stretch, Vascular,Stretch Receptors, Arterial,Stretch Receptors, Vascular,Arterial Stretch Receptor,Arterial Stretch Receptors,Baroreceptor,Pressoreceptor,Receptor, Arterial Stretch,Receptor, Vascular Stretch,Receptors, Arterial Stretch,Receptors, Vascular Stretch,Stretch Receptor, Arterial,Stretch Receptor, Vascular,Vascular Stretch Receptor,Vascular Stretch Receptors
D012018 Reflex An involuntary movement or exercise of function in a part, excited in response to a stimulus applied to the periphery and transmitted to the brain or spinal cord.
D001794 Blood Pressure PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS. Systolic Pressure,Diastolic Pressure,Pulse Pressure,Pressure, Blood,Pressure, Diastolic,Pressure, Pulse,Pressure, Systolic,Pressures, Systolic
D003080 Cold Temperature An absence of warmth or heat or a temperature notably below an accustomed norm. Cold,Cold Temperatures,Temperature, Cold,Temperatures, Cold
D005260 Female Females
D005542 Forearm Part of the upper extremity in humans and primates extending from the ELBOW to the WRIST. Antebrachium,Antebrachiums,Forearms

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