Search Results - "Moia, Christian"

Baroreflex responses during dry resting and exercise apnoeas in air and pure oxygen by Taboni, Anna, Vinetti, Giovanni, Fontolliet, Timothée, Grasso, Gabriele Simone, Tam, Enrico, Moia, Christian, Ferretti, Guido, Fagoni, Nazzareno

“…Purpose We analysed the characteristics of arterial baroreflexes during the first phase of apnoea (φ1). Methods 12 divers performed rest and exercise (30 W)…”
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Energetics of running in top-level marathon runners from Kenya by Tam, Enrico, Rossi, Huber, Moia, Christian, Berardelli, Claudio, Rosa, Gabriele, Capelli, Carlo, Ferretti, Guido

“…On ten top-level Kenyan marathon runners (KA) plus nine European controls (EC, equivalent to KA), we measured maximal oxygen consumption ( ) and the energy…”
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Energy cost of walking and running at extreme uphill and downhill slopes by Minetti, Alberto E, Moia, Christian, Roi, Giulio S, Susta, Davide, Ferretti, Guido

“…1  Département de Physiologie, Centre Médical Universitaire, 1211 Genève 4, Switzerland; 2  Centre for Biophysical and Clinical Research into Human Movement,…”
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Phase I dynamics of cardiac output, systemic O2 delivery, and lung O2 uptake at exercise onset in men in acute normobaric hypoxia by Lador, Frédéric, Tam, Enrico, Azabji Kenfack, Marcel, Cautero, Michela, Moia, Christian, Morel, Denis R, Capelli, Carlo, Ferretti, Guido

“…We tested the hypothesis that vagal withdrawal plays a role in the rapid (phase I) cardiopulmonary response to exercise. To this aim, in five men (24.6+/-3.4…”
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Cardiac output by Modelflow method from intra-arterial and fingertip pulse pressure profiles by Azabji Kenfack, Marcel, Lador, Federic, Licker, Marc, Moia, Christian, Tam, Enrico, Capelli, Carlo, Morel, Denis, Ferretti, Guido

“…Modelflow, when applied to non-invasive fingertip pulse pressure recordings, is a poor predictor of cardiac output (Q, litre x min(-1)). The use of constants…”
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Cardiovascular time courses during prolonged immersed static apnoea by PERINI, Renza, GHEZA, Alberto, MOIA, Christian, SPONSIELLO, Nicola, FERRETTI, Guido

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Gas exchange and cardiovascular responses during breath-holding in divers by Taboni, Anna, Fagoni, Nazzareno, Moia, Christian, Vinetti, Giovanni, Ferretti, Guido

“…•Blood pressure response to apnoea overlaps in air and in O2.•In O2, apnoeas show a milder response in heart rate and peripheral resistances.•CO2 rise may…”
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A closed-loop approach to the study of the baroreflex dynamics during posture changes at rest and at exercise in humans by Taboni, Anna, Fagoni, Nazzareno, Fontolliet, Timothée, Moia, Christian, Vinetti, Giovanni, Ferretti, Guido

“…We hypothesized that during rapid uptilting at rest, due to vagal withdrawal, arterial baroreflex sensitivity (BRS) may decrease promptly and precede the…”
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Effects of step duration in incremental ramp protocols on peak power and maximal oxygen consumption by Adami, Alessandra, Sivieri, Andrea, Moia, Christian, Perini, Renza, Ferretti, Guido

“…Purpose Morton (J Sport Sci 29:307–309, 2011 ) proposed a model of the peak power attained in ramp protocol ( w · peak ) that included critical power (CP) and…”
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Effect of Lower Body Negative Pressure on Phase I Cardiovascular Responses at Exercise Onset by Fagoni, Nazzareno, Bruseghini, Paolo, Adami, Alessandra, Capelli, Carlo, Lador, Frederic, Moia, Christian, Tam, Enrico, Bringard, Aurélien, Ferretti, Guido

“…We hypothesised that vagal withdrawal and increased venous return interact in determining the rapid cardiac output (CO) response (phase I) at exercise onset…”
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Breath holding as an example of extreme hypoventilation: experimental testing of a new model describing alveolar gas pathways by Taboni, Anna, Fagoni, Nazzareno, Fontolliet, Timothée, Grasso, Gabriele Simone, Moia, Christian, Vinetti, Giovanni, Ferretti, Guido

“…New Findings What is the central question of this study? We modelled the alveolar pathway during breath holding on the hypothesis that it follows a…”
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Experimental validation of the 3-parameter critical power model in cycling by Vinetti, Giovanni, Taboni, Anna, Bruseghini, Paolo, Camelio, Stefano, D’Elia, Matteo, Fagoni, Nazzareno, Moia, Christian, Ferretti, Guido

“…Purpose The three-parameter model of critical power (3-p) implies that in the severe exercise intensity domain time to exhaustion ( T lim ) decreases…”
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Effects of prolonged bed rest on cardiovascular oxygen transport during submaximal exercise in humans by Ferretti, G, Girardis, M, Moia, C, Antonutto, G

“…The hypothesis was tested that prolonged bed rest impairs O2 transport during exercise, which implies a lowering of cardiac output Qc and O2 delivery (QaO2)…”
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Cardiovascular responses to dry apnoeas at exercise in air and in pure oxygen by Taboni, Anna, Vinetti, Giovanni, Bruseghini, Paolo, Camelio, Stefano, D’Elia, Matteo, Moia, Christian, Ferretti, Guido, Fagoni, Nazzareno

“…•Exercise apnoeas in air have no steady phase of cardiovascular responses.•This steady phase reappears in exercise apnoeas in pure oxygen.•End of this steady…”
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Alveolar gas composition during maximal and interrupted apnoeas in ambient air and pure oxygen by Fagoni, Nazzareno, Taboni, Anna, Vinetti, Giovanni, Bottarelli, Sara, Moia, Christian, Bringard, Aurélién, Ferretti, Guido

“…Highlights • The hypothesis was that the transition between the phase 2-3 of the cardiovascular response to apnoea may correspond to physiological breaking…”
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A new interpolation-free procedure for breath-by-breath analysis of oxygen uptake in exercise transients by Bringard, Aurélien, Adami, Alessandra, Moia, Christian, Ferretti, Guido

“…Introduction Interpolation methods circumvent poor time resolution of breath-by-breath oxygen uptake ( V ˙ O 2 ) kinetics at exercise onset. We report an…”
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Cardiovascular responses to dry resting apnoeas in elite divers while breathing pure oxygen by Fagoni, Nazzareno, Sivieri, Andrea, Antonutto, Guglielmo, Moia, Christian, Taboni, Anna, Bringard, Aurélién, Ferretti, Guido

“…Highlights • We investigated the effects of oxygen breathing on the cardiovascular responses to apnoea. • In oxygen as in air, the three phases of the…”
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Cardiovascular time courses during prolonged immersed static apnoea by Perini, Renza, Gheza, Alberto, Moia, Christian, Sponsiello, Nicola, Ferretti, Guido

“…To define the dynamics of cardiovascular adjustments to apnoea during immersion, beat-to-beat heart rate (HR) and systolic (SBP) and diastolic (DBP) blood…”
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Dynamics of the RR-interval versus blood pressure relationship at exercise onset in humans by Bringard, Aurélien, Adami, Alessandra, Fagoni, Nazzareno, Fontolliet, Timothée, Lador, Frédéric, Moia, Christian, Tam, Enrico, Ferretti, Guido

“…Purpose The dynamics of the postulated phenomenon of exercise baroreflex resetting is poorly understood, but can be investigated using closed-loop procedures…”
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Heart rate and blood pressure time courses during prolonged dry apnoea in breath-hold divers by Perini, Renza, Tironi, Adelaide, Gheza, Alberto, Butti, Ferdinando, Moia, Christian, Ferretti, Guido

“…To define the dynamics of cardiovascular adjustments to apnoea, beat-to-beat heart rate (HR) and blood pressure and arterial oxygen saturation (SaO 2 ) were…”
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