Influence of blood donation on O2 uptake on‐kinetics, peak O2 uptake and time to exhaustion during severe‐intensity cycle exercise in humans
M Burnley, CL Roberts, R Thatcher… - Experimental …, 2006 - Wiley Online Library
We hypothesized that the reduction of O2‐carrying capacity caused by the withdrawal of∼
450 ml blood would result in slower phase II O2 uptake kinetics, a lower and a reduced time …
450 ml blood would result in slower phase II O2 uptake kinetics, a lower and a reduced time …
Clarifying the equation for modeling of V̇o2 kinetics above the lactate threshold
](2) where A0, A1, and A2 represent amplitudes of the first, second, and third phases of
response; 0, 1, and 2 represent time constants; and TD1 and TD2 represent time delays …
response; 0, 1, and 2 represent time constants; and TD1 and TD2 represent time delays …
Prior heavy exercise elevates pyruvate dehydrogenase activity and muscle oxygenation and speeds O2 uptake kinetics during moderate exercise in older adults
BJ Gurd, SJ Peters… - American Journal …, 2009 - journals.physiology.org
The adaptation of pulmonary oxygen uptake (V̇o2p) kinetics during the transition to
moderate-intensity exercise is slowed in older compared with younger adults; however, this …
moderate-intensity exercise is slowed in older compared with younger adults; however, this …
In vivo evidence of an age-related increase in ATP cost of contraction in the plantar flexor muscles
Impaired skeletal muscle efficiency potentially contributes to the age-related decline in
exercise capacity and may explain the altered haemodynamic response to exercise in the …
exercise capacity and may explain the altered haemodynamic response to exercise in the …
Influence of prior exercise on muscle [phosphorylcreatine] and deoxygenation kinetics during high‐intensity exercise in men
31Phosphate‐magnetic resonance spectroscopy and near infrared spectroscopy (NIRS)
were used for the simultaneous assessment of changes in quadriceps muscle metabolism …
were used for the simultaneous assessment of changes in quadriceps muscle metabolism …
“Work‐to‐Work” exercise slows pulmonary oxygen uptake kinetics, decreases critical power, and increases W'during supine cycling
RP Goulding, DM Roche, S Marwood - Physiological Reports, 2018 - Wiley Online Library
We have previously demonstrated that the phase II time constant of pulmonary oxygen
uptake kinetics () is an independent determinant of critical power (CP) when O2 availability …
uptake kinetics () is an independent determinant of critical power (CP) when O2 availability …
[HTML][HTML] Exercise tolerance can be enhanced through a change in work rate within the severe intensity domain: work above critical power is not constant
J Dekerle, KM de Souza, RD de Lucas… - PLoS …, 2015 - journals.plos.org
Introduction The characterization of the hyperbolic power-time (Pt lim) relationship using a
two-parameter model implies that exercise tolerance above the asymptote (Critical Power; …
two-parameter model implies that exercise tolerance above the asymptote (Critical Power; …
A raised metabolic rate slows pulmonary O2 uptake kinetics on transition to moderate‐intensity exercise in humans independently of work rate
During exercise below the lactate threshold (LT), the rate of adjustment (τ) of pulmonary O2
uptake () is slowed when initiated from a raised work rate. Whether this is consequent to the …
uptake () is slowed when initiated from a raised work rate. Whether this is consequent to the …
Elevated baseline work rate slows pulmonary oxygen uptake kinetics and decreases critical power during upright cycle exercise
RP Goulding, DM Roche, S Marwood - Physiological Reports, 2018 - Wiley Online Library
Critical power is a fundamental parameter defining high‐intensity exercise tolerance, and is
related to the phase II time constant of pulmonary oxygen uptake kinetics (). Whether this …
related to the phase II time constant of pulmonary oxygen uptake kinetics (). Whether this …
Muscle [phosphocreatine] dynamics following the onset of exercise in humans: the influence of baseline work‐rate
The kinetics of pulmonary O2 uptake is known to be substantially slower when exercise is
initiated from a baseline of lower‐intensity exercise rather than from rest. However, it is not …
initiated from a baseline of lower‐intensity exercise rather than from rest. However, it is not …