Arterial compliance increases  after moderate-intensity cycling

Kingwell, Bronwyn A.; Berry, Karen L; Cameron, J.; Jennings, Garry; Dart, Anthony M.

doi:10.1152/ajpheart.1997.273.5.h2186

Cited by 215 publications

(295 citation statements)

References 30 publications

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“…Indices of central AS after performing dynamic exercise have been assessed in three studies in the literature by employing several exercise protocols, methodologies (Doppler, oscillometric device, applanation tonometry) and at several time points after cessation of exercise (3-30 min). 11,12,45 At 3 min posttreadmill exercise, upper limb PWV was 35% higher than baseline and soon declined below baseline by 5-10 min, accompanied by a fall in BP. 12 Likewise, in the other two studies, aortic PWV was found to be reduced when measured at 20 45 and 30 min 12 postexercise indicating reduced central AS after an acute bout of exercise.…”

Section: Lydakis Et Almentioning

confidence: 98%

“…8,9 Nevertheless, there is little and inconsistent data about the effects of acute bouts of exercise on AS. Acute aerobic exercise was found to induce either an increase 10 or a decrease 11,12 in central AS, whereas studies on acute bouts of resistance exercise showed either an increase 13 or no effect 14 on central AS. In all of the studies (except for one 10 ) measurements were made some minutes after the end of the exercise protocol.…”

Section: Introductionmentioning

confidence: 94%

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Changes of central haemodynamic parameters during mental stress and acute bouts of static and dynamic exercise

et al. 2008

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Chronic dynamic (aerobic) exercise decreases central arterial stiffness, whereas chronic resistance exercise evokes the opposite effect. Nevertheless, there is little information available on the effects of acute bouts of exercise. Also, there is limited data showing an increase of central arterial stiffness during acute mental stress. This study aimed to determine the effect of acute mental and physical (static and dynamic exercise) stress on indices of central arterial stiffness. Fifteen young healthy volunteers were studied. The following paradigms were performed: (1) 2 min of mental arithmetic, (2) short bouts (20 s) of static handgrip at 20 and 70% of maximal voluntary contraction (MVC), (3) fatiguing handgrip at 40% MVC and (4) incremental dynamic knee extensor exercise. Central aortic waveforms were assessed using SphygmoCor software. As compared to baseline, pulse wave transit time decreased significantly for all four interventions indicating that central arterial stiffness increased. During fatiguing handgrip there was a fall in the ratio of peripheral to central pulse pressure from 1.69 ± 0.02 at baseline to 1.56±0.05 (Po0.05). In the knee extensor protocol a nonsignificant trend for the opposite effect was noted. The augmentation index increased significantly during the arithmetic, short static and fatiguing handgrip protocols, whereas there was no change in the knee extensor protocol. We conclude that (1) during all types of acute stress tested in this study (including dynamic exercise) estimated central stiffness increased, (2) during static exercise the workload posed on the left ventricle (expressed as change in central pulse pressure) is relatively higher than that posed during dynamic exercise (given the same pulse pressure change in the periphery).

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Section: Lydakis Et Almentioning

confidence: 98%

Section: Introductionmentioning

confidence: 94%

Changes of central haemodynamic parameters during mental stress and acute bouts of static and dynamic exercise

et al. 2008

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“…31 Repeated dilation of the arterioles through exercise to accommodate increased blood flow has also been suggested to increase the ability of the arterioles to vasodilate. 32 Acute exercise has been shown to improve forearm vasodilation, 7,5 however, its effects are transitory unless the duration of exercise is longer (chronic).…”

Section: Peak Lbf and Fbfmentioning

confidence: 99%

“…Acute exercise has been found to reduce arterial stiffness, measured by assessing b-stiffness index, in young healthy men, 7 whereas Boutcher et al 5 have shown that one single bout of exercise improved peak forearm blood flow (FBF) and reduced forearm vascular resistance in young FH þ with no change in arterial stiffness assessed through AIx.…”

Section: Introductionmentioning

confidence: 99%

The effect of 4 weeks of aerobic exercise on vascular and baroreflex function of young men with a family history of hypertension

Goldberg

Boutcher

2011

J Hum Hypertens

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The effect of short-term aerobic exercise on vascular function of young individuals with a family history of hypertension was investigated. Thirty young men with a family history of hypertension were randomly assigned to either an exercise (n ¼ 15) or control (n ¼ 15) group. Exercise subjects performed 30 min of supervised cycle training at 65% of their maximal oxygen uptake ( . VO 2max ), three times per week for 4 weeks. Control subjects were asked to maintain their normal levels of physical activity. Peak leg and forearm blood flow were assessed using plethysmography and was determined as the highest blood flow following 5 min of reactive hyperemia. Cardiopulmonary baroreceptor (CPBR) sensitivity was measured using lower body negative pressure (LBNP) for 5 min at À20 mm Hg. CPBR was determined by calculating change of stroke volume and forearm vascular resistance at baseline and during LBNP. Carotid baroreceptor (CBR) sensitivity was assessed using neck suction at À20, À40, À60 and À80 mm Hg pressures, and was determined from RR interval divided by systolic blood pressure. Augmentation index (AIx), a measure of arterial stiffness, was assessed using applanation tonometry and was calculated as the ratio of augmented pressure and pulse pressure. The major findings were that the exercise group showed increase in leg vasodilation, reduction in AIx and increase in .VO 2max compared with the control group (Po0.05). However, there was no significant change for CPBR and CBR. A short-term moderate-intensity aerobic exercise intervention in young men with a family history of hypertension significantly reduced arterial stiffness and increased aerobic fitness.

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“…On the other hand, some other studies (Kingwell et al, 1997;Currie et al, 2009;Jae-Bin et al, 2013) found that whole body arterial Contents lists available at ScienceDirect journal homepage: www.elsevier.com/locate/jbiomech www.JBiomech.com compliance (WBAC) and then arterial distensibility was increased after cycling and treadmill exercise with relation to the values prior to exercise. This is a different result that compares arterial distensibility before and after the period in which heart rate is increased.…”

Section: Introductionmentioning

confidence: 94%

Heart rate, arterial distensibility, and optimal performance of the arterial tree

Silva

Reis

2014

Journal of Biomechanics

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a b s t r a c tIn this study we explore the ability of a previously developed model of pulsatile flow for explaining the observed reduction of arterial distensibility with heart rate. The parameters relevant for the analysis are arterial wall distensibility together with permeability and reflection coefficients of the end capillaries. A non-specific artery and the ensemble of tissues supplied by that artery were considered in the model. The blood current within that artery was equalized to the sum of all micro currents in the tissues supplied by that artery. A formula emerged that relates changes in arterial distensibility with heart rate, and also with some particular aspects of microcirculation. Then, that formula was tested with data of distensibilities of the radial and carotid arteries observed at the heart rates of 63, 90, and 110 b.p.m. The formula correctly predicted the trend of decreased distensibility with heart rate for both arteries. Moreover, due to the fact that the carotid artery supplies the brain, and because the Blood-Brain barrier is highly restrictive to colloids in the blood, for the carotid artery the formula predicted a less marked decrease in distensibility than in the case of the radial artery feeding muscle tissue, which has a greater permeability to colloids, a trend that was confirmed by data. It was found that reduction of arterial distensibility with heart rate was greater in arteries that supply end capillaries with high permeability and low reflection coefficients.

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Arterial compliance increases after moderate-intensity cycling

Cited by 215 publications

References 30 publications

Changes of central haemodynamic parameters during mental stress and acute bouts of static and dynamic exercise

Changes of central haemodynamic parameters during mental stress and acute bouts of static and dynamic exercise

The effect of 4 weeks of aerobic exercise on vascular and baroreflex function of young men with a family history of hypertension

Heart rate, arterial distensibility, and optimal performance of the arterial tree

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