Pulmonary oxygen uptake kinetics
Prior exercise speeds pulmonary oxygen uptake kinetics and increases critical power during supine but not upright cycling
... PRIOR EXERCISE SPEEDS PULMONARY OXYGEN UPTAKE KINETICS AND INCREASES CRITICAL POWER DURING SUPINE BUT NOT UPRIGHT CYCLING.. RICHIE P..[r] ...
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Pulmonary oxygen uptake kinetics in middle and long distance runners
... Despite the above, no relationships were observed between xon and L 0 2max in MD runners, suggesting that the magnitude of V 0 2 max does not dictate the dynamic response of VO 2 at the onset of moderate-intensity ...
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The influence of metabolic and circulatory heterogeneity on the expression of pulmonary oxygen uptake kinetics in humans
... Bowen TS, Murgatroyd SR, Cannon DT, Cuff TJ, Lainey AF, Marjerrison AD, Spencer MD, 52λ Benson AP, Paterson DH, Kowalchuk JM & Rossiter HB (2011). A raised metabolic rate 530 slows pulmonary O 2 uptake ...
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Faster Pulmonary Oxygen Uptake Kinetics in Trained versus Untrained Male Adolescents
... NIRS kinetic analysis Paragraph 11 The Hb response to exercise was modelled in a similar fashion to V o 2 kinetics; firstly the two datasets for each subject were ensemble averaged to produce a single dataset ...
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Relationship between pulmonary oxygen uptake kinetics and high intensity running performance in professional soccer players
... 2 kinetics do not determine performance in the YIRT2 and RST Analysis reveals that the maximal running speeds attained by players in the YIRT2 and RST ranged from 17 to 26 ...2 kinetics, as the nature of ...
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Elevated baseline work rate slows pulmonary oxygen uptake kinetics and decreases critical power during upright cycle exercise
... 2 kinetics would be slower ...2 kinetics were due to insufficient O 2 avail- ability when exercise was initiated from an elevated base- line work ...
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“WORK-TO-WORK” EXERCISE SLOWS PULMONARY OXYGEN UPTAKE KINETICS, DECREASES CRITICAL POWER, AND INCREASES W’ DURING SUPINE CYCLING
... Conclusions In summary, the present data implicate V _ O 2 kinetics as an independent determinant of critical power in condi- tions of limited O 2 availability. Specifically, during supine exercise s v _ o 2 was ...
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Evaluation of acute effect of light emitting diode (LED) phototherapy on muscle deoxygenation and pulmonary oxygen uptake kinetics in patients with diabetes mellitus: study protocol for a randomized controlled trial
... Methods/Design: This study is a randomized, double-blind, placebo-controlled crossover trial approved by the Ethics Committee of the Federal University of São Carlos and registered at ClinicalTrials.gov. Four separate ...
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Pulmonary oxygen uptake and muscle deoxygenation kinetics during recovery in trained and untrained male adolescents
... The cross-sectional study design we employed potentially limits the conclusions that can be drawn from the data as the two groups of subjects may have been pre-disposed to possess similar pulmonary oxygen ...
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Pulmonary oxygen uptake and muscle deoxygenation kinetics during heavy intensity cycling exercise in patients with emphysema and idiopathic pulmonary fibrosis
... Dyspnea is the most common and debilitating symptom in patients with IPF in whom it is the primary impairment to quality of life [61]. It is therefore surprising that there is such a paucity of information regarding the ...
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Effect of endurance training on oxygen uptake kinetics during treadmill running
... 2 slow component) may result in perfor- mance enhancement. This is exemplified by the data from the subgroup within the present study (Table 4). In addition to a reduced slow component at the same absolute exercise ...
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Modeling the oxygen uptake kinetics during exercise testing of patients with chronic obstructive pulmonary diseases using nonlinear mixed models
... acquired oxygen uptake kinetics generate batches of curves whose parameters are generally esti- mated using curve-by-curve model ...The oxygen kinet- ics are sometimes originated from ...
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The effect of low and high carbohydrate diets on pulmonary oxygen uptake and muscle deoxygenation kinetics during exercise transitions into the heavy-intensity domain
... tests pulmonary gas exchange was measured breath-by-breath and local muscle [HHb] was measured continuously in the vastus lateralis muscle of the quadriceps muscle group using ...
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Locomotor Muscle Fatigue Does Not Alter Oxygen Uptake Kinetics during High Intensity Exercise
... Study Protocol Each participant completed three visits. During the first visit, participants first completed an incremental exercise test to determine LT and VO ˙ 2 peak . A smooth ramped-incremental test protocol (Lode ...
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Oxygen kinetics during 6-minute walk tests in patients with cardiovascular and pulmonary disease
... failure, insufficient cooperation or incomplete data. Fif- teen patients were excluded due to loss of follow-up, lung transplantation and diagnosis of malignancy. The quality of fit was first assessed visually by two ...
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Data collection, handling and fitting strategies to optimize accuracy and precision of oxygen uptake kinetics estimation from breath-by-breath measurements.
... step transitions. Our simulations here demonstrate that a mono-exponential fit to 2 VO 2P is a useful and concise method for accurately describing the overall kinetics of the exponential- like pulmonary 2 ...
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The slow component of o2 uptake kinetics during heavy exercise
... transport oxygen from the atmosphere to be used as the terminal oxidant in the mitochondrial electron transport ...of pulmonary O 2 uptake (VO 2 ) at high work rates, therefore, is probably the best ...
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Oxygen uptake kinetics in trained adolescent females
... kinetics in trained adolescents is significant since evidence exists that during maturation, the balance of oxidative and glycolytic enzyme activities may change (Haralambie et al. 1982, Peterson et al. 1999). ...
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Influence of oxygen uptake kinetics on physical performance in youth soccer
... completed a step transition protocol from, rest-moderate intensity exercise, followed by an immediate transition from moderate-severe intensity exercise (moderate: 95%GET, severe: 60%∆), during which VO2 kinetics ...
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Kinetics of oxygen uptake and release by red blood cells of chicken and duck
... For whole blood, the specific O2 transfer conductance (i.e. O2 conductance per unit RBC volume) is larger in the chicken than in the duck, and this is because the larger number of small [r] ...
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