Greater forearm venous compliance in resistance-trained men

Greater venous compliance is associated with attenuation of the tolerance response to orthostatic stress and reduced incidence of venous diseases. Resistance training induces tolerance to orthostatic challenge and the growth of capillaries, which may lead to negative and positive effects on venous c...

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Bibliographic Details
Published in:European journal of applied physiology 2010-11, Vol.110 (4), p.769-777
Main Authors: Kawano, Hiroshi, Tanimoto, Michiya, Yamamoto, Kenta, Gando, Yuko, Sanada, Kiyoshi, Tabata, Izumi, Higuchi, Mitsuru, Miyachi, Motohiko
Format: Article
Language:English
Subjects:
Adaptation, Physiological - physiology
Adult
Biological and medical sciences
Biomedical and Life Sciences
Biomedicine
Compliance - physiology
Forearm - blood supply
Fundamental and applied biological sciences. Psychology
Human Physiology
Humans
Male
Muscle, Skeletal - blood supply
Muscle, Skeletal - physiology
Occupational Medicine/Industrial Medicine
Original Article
Plethysmography
Regional Blood Flow - physiology
Resistance Training
Sedentary Lifestyle
Sports Medicine
Veins - physiology
Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports
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Summary:Greater venous compliance is associated with attenuation of the tolerance response to orthostatic stress and reduced incidence of venous diseases. Resistance training induces tolerance to orthostatic challenge and the growth of capillaries, which may lead to negative and positive effects on venous compliance, respectively. It has not been confirmed, however, whether habitual resistance training positively or negatively affects venous compliance. We compared the forearm venous compliance in resistance-trained men with age-matched controls. Eleven resistance-trained middle-aged men (37.7 ± 1.5 years) and 12 age-matched sedentary controls (36.7 ± 1.6 years) were studied. Forearm venous compliance was measured in subjects in the supine position by inflating a venous collecting cuff placed around the upper arm to 60 mmHg for 8 min and then decreasing cuff pressure to 0 mmHg at a rate of 1 mmHg/s. Forearm venous compliance was determined using the first derivative of the pressure–volume relation during cuff pressure reduction (compliance = β 1  + 2β 2  × cuff pressure). Forearm venous compliance at 20 mmHg cuff pressure was 16% greater in the resistance-trained group than in the age-matched sedentary controls (0.097 ± 0.005 vs . 0.083 ± 0.004 ml/dl/mmHg, P  
ISSN:1439-6319
1439-6327
DOI:10.1007/s00421-010-1557-9