Middle cerebral artery blood velocity during rowing

Dynamic exercise increases the transcranial Doppler determined mean blood velocity in basal cerebral arteries corresponding to the cortical representation of the active limb(s) and independent of the concomitant rise in the mean arterial pressure. In 12 rowers we evaluated the middle cerebral artery...

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Bibliographic Details
Published in:Acta physiologica Scandinavica 1997-06, Vol.160 (3), p.251-255
Main Authors: POTT, F., KNUDSEN, L., NOWAK, M., NIELSEN, H. B., HANEL, B., SECHER, N. H.
Format: Article
Language:English
Subjects:
Adult
arterial blood pressure
Biological and medical sciences
Blood
Blood Flow Velocity - physiology
central venous pressure
Cerebral Arteries - diagnostic imaging
Cerebral Arteries - physiology
cerebral blood flow
Ergometry
exercise
Exercise - physiology
Female
Fundamental and applied biological sciences. Psychology
Humans
Male
Middle Aged
transcranial Doppler
Ultrasonography, Doppler, Transcranial
Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports
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Summary:Dynamic exercise increases the transcranial Doppler determined mean blood velocity in basal cerebral arteries corresponding to the cortical representation of the active limb(s) and independent of the concomitant rise in the mean arterial pressure. In 12 rowers we evaluated the middle cerebral artery blood velocity response to ergometer rowing when regulation of the cerebral perfusion is challenged by stroke synchronous fluctuation in arterial pressure. Rowing increased mean cerebral blood velocity (57 ± 3 to 67 ± 5 cm s−1; mean ± SE) and mean arterial (86 ± 6 to 97 ± 6 mmHg) and central venous pressures (0 ± 2 to 8 ± 2 mmHg; P 
ISSN:0001-6772
1365-201X
DOI:10.1046/j.1365-201X.1997.00144.x