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List of works by Richard L Hughson

A high velocity treadmill running test to assess endurance running potential.

scientific article published in February 1984

A phenomenology model of normal sinus rhythm in healthy humans

scientific article published on 01 February 2002

A study of cardiorespiratory dynamics with step and ramp exercise tests in normoxia and hypoxia

scientific article published on 01 October 1989

Acute effects of warm footbath on arterial stiffness in healthy young and older women

scientific article published on 21 July 2011

Acute reduction in cerebral blood velocity on supine-to-stand transition increases postural instability in young adults

scientific article published on 01 November 2019

Adaptation of blood flow during the rest to work transition in humans.

scientific article

Aerobic system analysis based on oxygen uptake and hip acceleration during random over-ground walking activities

scientific article published on 16 November 2016

Air management and physiological responses during simulated firefighting tasks in a high-rise structure.

scientific article published on 15 August 2009

Alterations in the oxygen deficit-oxygen debt relationships with beta-adrenergic receptor blockade in man

scientific article published on 01 April 1984

Altered autonomic regulation of cardiac function during head-up tilt after 28-day head-down bed-rest with counter-measures.

scientific article

Altered hormonal regulation and blood flow distribution with cardiovascular deconditioning after short-duration head down bed rest

scientific article published on 13 September 2007

Aortic, cerebral and lower limb arterial and venous response to orthostatic stress after a 60-day bedrest

scientific article published on May 4, 2011

Assessing cerebrovascular autoregulation from critical closing pressure and resistance area product during upright posture in aging and hypertension

scientific article published on 23 May 2014

Association between arterial stiffness and cerebrovascular resistance in the elderly

scientific article published on 02 July 2009

Autonomic responses to exercise: deconditioning/inactivity

scientific article published on 22 October 2014

Beat-by-beat forearm blood flow with Doppler ultrasound and strain-gauge plethysmography

scientific article published on 01 September 1995

Blood flow in the triceps brachii muscle in humans during sustained submaximal isometric contractions

scientific article published on 01 May 2001

Blood lactate responses in incremental exercise as predictors of constant load performance

scientific article published on 01 January 1989

Cardiac output by pulse contour analysis does not match the increase measured by rebreathing during human spaceflight

scientific article

Cardiorespiratory interactions during fixed-pace resistive breathing

scientific article published on 01 May 1996

Cardiorespiratory kinetics and femoral artery blood velocity during dynamic knee extension exercise

scientific article published on 01 December 1994

Cardiovascular dynamics at the onset of exercise.

scientific article

Cardiovascular regulation during long-duration spaceflights to the International Space Station.

scientific article published in December 2011

Cardiovascular responses to lower body negative pressure before and after 4 h of head-down bed rest and seated control in men and women

scientific article published on 13 September 2012

Cardiovascular responses to orthostatic tests after a 42-day head-down bed-rest

scientific article published on 01 January 1998

Carotid pulse pressure and intima media thickness are independently associated with cerebral hemodynamic pulsatility in community-living older adults

scientific article published on 10 December 2019

Cerebral autoregulation is preserved in multiple system atrophy: A transcranial Doppler study.

scientific article published in December 2006

Cerebral blood flow during orthostasis: role of arterial CO2

scientific article published on 23 November 2005

Cerebral hemodynamics and resistance exercise.

scientific article

Cerebral hypoperfusion is exaggerated with an upright posture in heart failure: impact of depressed cardiac output

scientific article published on 31 October 2014

Comments on Point:Counterpoint: Respiratory sinus arrhythmia is due to a central mechanism vs. respiratory sinus arrhythmia is due to the baroreflex mechanism

scientific article published on 01 May 2009

Comparison of femoral blood gases and muscle near-infrared spectroscopy at exercise onset in humans

scientific article published on 01 February 1999

Comparison of pulse contour, aortic Doppler ultrasound and bioelectrical impedance estimates of stroke volume during rapid changes in blood pressure

scientific article published on 27 January 2019

Conditions of autonomic reciprocal interplay versus autonomic co-activation: effects on non-linear heart rate dynamics

scientific article published on 26 July 2007

Contractile properties of the human triceps surae following prolonged exercise and beta-blockade

scientific article published on 01 April 1987

Corrigendum. Prolonged ischaemia impairs muscle blood flow and oxygen uptake dynamics during subsequent heavy exercise

scientific article published on 09 March 2016

Coupling of ventilation and gas exchange during transitions in work rate by humans

scientific article published on 01 July 1995

Critical analysis of cerebrovascular autoregulation during repeated head-up tilt.

scientific article published in October 2001

Determination of baroreflex gain using auto-regressive moving-average analysis during spontaneous breathing

scientific article published on 01 September 1999

Effect of acute sympathetic nervous system activation on flow-mediated dilation of brachial artery.

scientific article

Effect of altered arterial perfusion pressure on vascular conductance and muscle blood flow dynamic response during exercise in humans

scientific article published on 10 January 2013

Effect of beta-adrenergic blockade on VO2 kinetics during pseudorandom binary sequence exercise

scientific article published on 01 January 1990

Effect of hyperoxia and hypoxia on leg blood flow and pulmonary and leg oxygen uptake at the onset of kicking exercise

scientific article published on 01 January 2000

Effect of oral propranolol on the anerobic threshold and maximum exercise performance in normal man

scientific article published on 01 June 1981

Effect of prolonged head-down bed rest on complex cardiovascular dynamics

scientific article published on 01 January 2001

Effects of acetylcholine and nitric oxide on forearm blood flow at rest and after a single muscle contraction

scientific article published on 01 December 1998

Effects of aerobic training on heart rate dynamics in sedentary subjects

scientific article published on 21 March 2003

Effects of an artificial gravity countermeasure on orthostatic tolerance, blood volumes and aerobic power after short-term bed rest (BR-AG1).

scientific article published on 23 October 2014

Effects of bromocriptine on sweat gland function during heat acclimatization

scientific article published on 01 January 1988

Effects of light-emitting diode therapy (LEDT) on cardiopulmonary and hemodynamic adjustments during aerobic exercise and glucose levels in patients with diabetes mellitus: A randomized, crossover, double-blind and placebo-controlled clinical trial

scientific article published on 15 November 2018

Effects of pharmacological adrenergic and vagal modulation on fractal heart rate dynamics.

scientific article

Effects of sex and gender on adaptation to space: cardiovascular alterations.

scientific article

Efficacy of fluid loading as a countermeasure to the hemodynamic and hormonal changes of 28-h head-down bed rest

scientific article published on 01 September 2018

Elevated End-Tidal Pco2 During Long-Duration Spaceflight

scientific article published on January 2016

Elevated serum soluble CD200 and CD200R as surrogate markers of bone loss under bed rest conditions.

scientific article published on 9 December 2013

Enhanced muscle blood flow with intermittent pneumatic compression of the lower leg during plantar flexion exercise and recovery.

scientific article

Estimating oxygen uptake and energy expenditure during treadmill walking by neural network analysis of easy-to-obtain inputs

scientific article

Evaluation of spontaneous baroreflex response after 28 days head down tilt bedrest

scientific article published on 01 August 1993

Evidence for increased cardiovascular risk to crew during long duration space missions

scientific article published on 01 November 2020

Extracting aerobic system dynamics during unsupervised activities of daily living using wearable sensor machine learning models.

scientific article published on 08 June 2017

Failure of impedance plethysmography to follow exercise-induced changes in limb blood flow

scientific article published on 01 July 1988

Failure of prostaglandins to modulate the time course of blood flow during dynamic forearm exercise in humans

scientific article published on 01 October 1996

Faster femoral artery blood velocity kinetics at the onset of exercise following short-term training

scientific article published on 01 February 1996

Field testing of VO2peak in cross-country skiers with portable breath-by-breath system

scientific article published on 01 February 2001

Fluid and electrolyte regulation in space

scientific article published on January 1, 1992

Forearm blood flow by Doppler ultrasound during test and exercise: tests of day-to-day repeatability

scientific article published on 01 September 1996

Gas exchange analysis of immediate CO2 storage at onset of exercise

scientific article published on 01 March 1985

Gas exchange, blood lactate, and plasma catecholamines during incremental exercise in hypoxia and normoxia

scientific article published on 01 October 1995

Haemodynamic and cerebrovascular effects of intermittent lower-leg compression as countermeasure to orthostatic stress

scientific article published on 23 October 2019

Heart in space: effect of the extraterrestrial environment on the cardiovascular system

scientific article published on 20 October 2017

Heart rate and daily physical activity with long-duration habitation of the International Space Station.

scientific article published in June 2012

Heart rate variability after prolonged spaceflights.

scientific article published in January 2002

Heatstroke in road races

scientific article published on 01 May 1979

Hemodynamics and brain blood flow during posture change in younger women and postmenopausal women compared with age-matched men.

scientific article published on 23 February 2012

Heterogeneity of responses to orthostatic stress in homozygous twins.

scientific article published on 28 September 2006

Hormone changes induced by 37.5-h head-down tilt (-6 degrees) in humans

scientific article published on 01 January 1994

Human tibialis anterior contractile responses following fatiguing exercise with and without beta-adrenoceptor blockade

scientific article published on 01 June 1988

Impaired cerebrovascular autoregulation and reduced CO₂ reactivity after long duration spaceflight.

scientific article

Increased central arterial stiffness and altered cerebrovascular haemodynamic properties in South Asian older adults.

scientific article published on 16 July 2015

Increased postflight carotid artery stiffness and inflight insulin resistance resulting from 6-mo spaceflight in male and female astronauts

scientific article published on 8 January 2016

Inflight leg cuff test does not identify the risk for orthostatic hypotension after long-duration spaceflight

scientific article published on 11 October 2019

Influence of diet on CO2 production and ventilation in constant-load exercise

scientific article published on 01 November 1981

Insufficient flow reduction during LBNP in both splanchnic and lower limb areas is associated with orthostatic intolerance after bedrest

scientific article published on 29 August 2008

Interaction of factors determining oxygen uptake at the onset of exercise.

scientific article

Internal work and physiological responses during concentric and eccentric cycle ergometry

scientific article published on 01 January 1986

Interrelationships between pulse arrival time and arterial blood pressure during postural transitions before and after spaceflight

scientific article published on 15 August 2019

Intrinsic rate and cholinergic sensitivity of isolated atria from trained and sedentary rats

scientific article published on 01 October 1973

Investigating the impact of passive external lower limb compression on central and peripheral hemodynamics during exercise

scientific article published on 25 January 2016

Kinetics of oxygen uptake for submaximal exercise in hyperoxia, normoxia, and hypoxia

scientific article published on 01 June 1995

Kinetics of ventilation and gas exchange during supine and upright cycle exercise

scientific article published on January 1, 1991

Light-emitting diode therapy (photobiomodulation) effects on oxygen uptake and cardiac output dynamics during moderate exercise transitions: a randomized, crossover, double-blind, and placebo-controlled study.

scientific article published on 7 March 2018

Linear and non-linear contributions to oxygen transport and utilization during moderate random exercise in humans

scientific article

Long-duration bed rest modifies sympathetic neural recruitment strategies in males and females.

scientific article published on 6 December 2017

Lower body negative pressure exercise plus brief postexercise lower body negative pressure improve post-bed rest orthostatic tolerance

scientific article published on 18 October 2007

Lower limb vascular conductance and resting popliteal blood flow during head-up and head-down postural challenges.

scientific article published on 8 November 2012

Lumbar erector spinae oxygenation during prolonged contractions: implications for prolonged work

scientific article published on 01 April 2000

Mean Normalized Gain: A New Method for the Assessment of the Aerobic System Temporal Dynamics during Randomly Varying Exercise in Humans

scientific article published on 18 July 2017

Measurements of Cardiac Output During Constant Exercises: Comparison of Two Non-Invasive Techniques

scientific article published on 01 February 2004

Modelflow estimates of cardiac output compared with Doppler ultrasound during acute changes in vascular resistance in women.

scientific article published on 15 January 2010

Modeling heart rate variability in healthy humans: a turbulence analogy.

scientific article published in February 2001

Monitoring Road Racing in the Heat

scientific article published on 01 May 1983

Monocular 3D Sway Tracking for Assessing Postural Instability in Cerebral Hypoperfusion During Quiet Standing

scientific article published on 03 February 2020

Non-contact hemodynamic imaging reveals the jugular venous pulse waveform

scientific article

O2 uptake and blood pressure regulation at the onset of exercise: interaction of circadian rhythm and priming exercise

scientific article published on 01 October 2010

On the method of fitting cardiac output kinetics in severe exercise.

scientific article

Operation Everest II: an indication of deterministic chaos in human heart rate variability at simulated extreme altitude

scientific article published on 01 January 1993

Oral and intravenous propranolol during exercise

scientific article published on June 1, 1977

Orthostatic tests after a 4-day confinement or simulated weightlessness

scientific article published on 01 January 1997

Oxygen uptake kinetics during two bouts of heavy cycling separated by fatiguing sprint exercise in humans.

scientific article published on 11 October 2002

Oxygen uptake kinetics: historical perspective and future directions.

scientific article published on October 2009

Physiological demands of the firefighter Candidate Physical Ability Test.

scientific article published in March 2009

Physiological responses and air consumption during simulated firefighting tasks in a subway system.

scientific article

Point:Counterpoint.

scientific article

Prediction of oxygen uptake dynamics by machine learning analysis of wearable sensors during activities of daily living.

scientific article published on 05 April 2017

Prior head-down tilt does not impair the cerebrovascular response to head-up tilt.

scientific article published on 6 March 2015

Prior moderate and heavy exercise accelerate oxygen uptake and cardiac output kinetics in endurance athletes

scientific article published on 26 February 2009

Progressive effect of endurance training on VO2 kinetics at the onset of submaximal exercise

scientific article published on 01 December 1995

Prostaglandin inhibition causes an increase in reactive hyperaemia after ischaemic exercise in human forearm

scientific article published on 01 May 1999

Ramp work tests with three different beta-blockers in normal human subjects

scientific article published on 01 January 1989

Rapid blunting of sympathetic vasoconstriction in the human forearm at the onset of exercise

scientific article published on 10 January 2003

Recent findings in cardiovascular physiology with space travel

scientific article published on 25 July 2009

Reduced orthostatic tolerance following 4 h head-down tilt.

scientific article published in January 1991

Reduced oxygen uptake during steady state exercise after 21-day mountain climbing expedition to 6,194 m

scientific article published on 01 April 2001

Reduced spontaneous baroreflex response slope during lower body negative pressure after 28 days of head-down bed rest

scientific article published on 01 July 1994

Reduction of intrinsic sinoatrial frequency and norepinephrine response of the exercised rat

scientific article published on 01 August 1977

Regulation of blood flow at the onset of exercise by feed forward and feedback mechanisms.

scientific article published on October 2003

Regulation of oxygen consumption at the onset of exercise.

scientific article

Repeatability of popliteal blood flow and lower limb vascular conductance at rest and exercise during body tilt using Doppler ultrasound

scientific article published on 12 February 2013

Reply to Pancheva, Panchev, and Pancheva.

scientific article

Reply to van Houwelingen and Langewouters

scientific article published on 01 July 2018

Respiratory influences on non-linear dynamics of heart rate variability in humans.

scientific article published in July 1997

Sex differences in the oxygen delivery, extraction, and uptake during moderate-walking exercise transition.

scientific article published on June 2017

Slower Adaptation of VO2 to steady state of submaximal exercise with beta-blockade

scientific article published on 01 January 1983

Spectral analysis of blood pressure variability in heart transplant patients

scientific article published on 01 April 1995

Spontaneous baroreflex by sequence and power spectral methods in humans

scientific article published on 01 November 1993

Spontaneous beat-by-beat fluctuations of total peripheral and cerebrovascular resistance in response to tilt.

scientific article

Spontaneous cardiac baroreflex in humans. Comparison with drug-induced responses

scientific article published on 01 May 1995

Superficial femoral artery blood flow with intermittent pneumatic compression of the lower leg applied during walking exercise and recovery

scientific article published on 03 July 2019

Sustained hyperaemia stimulus is necessary to induce flow-mediated dilation of the human brachial artery

scientific article published on 19 July 2011

Sympathetic and parasympathetic indicators of heart rate control at altitude studied by spectral analysis

scientific article published on 01 December 1994

Sympathetic nervous system activity and cardiovascular homeostatis during head-up tilt in patients with spinal cord injuries

scientific article published on 01 August 2000

Sympathovagal effects of spinal anesthesia assessed by the spontaneous cardiac baroreflex.

scientific article published in December 1997

Temporal Artery Doppler Spectrum Morphology Responses to Tilt and LBNP as an Early Indicator of Syncope

scientific article published on April 1, 2012

The Inotropic and Chronotropic Responses of the Guinea Pig and Dog Myocardium to Isoprenaline and Salbutamol

scientific article published on April 1, 1975

The effect of citrate loading on exercise performance, acid-base balance and metabolism.

scientific article

The effect of prolonged submaximal exercise on gas exchange kinetics and ventilation during heavy exercise in humans.

scientific article published on 17 May 2003

The effects of beta-blockade on electrically stimulated contraction in fatigued human triceps surae muscle

scientific article published on 01 April 1987

The effects of lumbar massage on muscle fatigue, muscle oxygenation, low back discomfort, and driver performance during prolonged driving.

scientific article published on January 2006

The ventilatory threshold gives maximal lactate steady state

scientific article published on 01 January 1991

Time course of brachial artery diameter responses to rhythmic handgrip exercise in humans

scientific article published on 01 July 1997

Tissue oxygenation by near-infrared spectroscopy and muscle blood flow during isometric contractions of the forearm

scientific article published on 01 June 1999

Twitch potentiation after fatiguing exercise in man

scientific article published on 01 January 1987

Ultrasound vector projectile imaging for detection of altered carotid bifurcation hemodynamics during reductions in cardiac output

scientific article published on 04 December 2019

Validation of the Hexoskin wearable vest during lying, sitting, standing, and walking activities.

scientific article published on 12 June 2015

Vascular conductance and muscle blood flow during exercise are altered by inspired oxygen fraction and arterial perfusion pressure

scientific article published on March 2017

Vasodilation contributes to the rapid hyperemia with rhythmic contractions in humans

scientific article published on 01 April 1998

Ventilatory CO2 response in endurance-trained rats

scientific article published on 01 January 1980

WISE 2005: responses of women to sublingual nitroglycerin before and after 56 days of 6° head-down bed rest

scientific article published on 31 May 2012

WISE 2005: stroke volume changes contribute to the pressor response during ischemic handgrip exercise in women

scientific article published on 05 April 2007

WISE-2005: adrenergic responses of women following 56-days, 6 degrees head-down bed rest with or without exercise countermeasures.

scientific article published on 10 October 2007

WISE-2005: effect of aerobic and resistive exercises on orthostatic tolerance during 60 days bed rest in women

scientific article

WISE-2005: prolongation of left ventricular pre-ejection period with 56 days head-down bed rest in women.

scientific article published on November 2010

WISE-2005: tibial and gastrocnemius vein and calf tissue response to LBNP after a 60-day bed rest with and without countermeasures

scientific article published on 17 January 2008