Real Assessment of Maximum Oxygen Uptake as a Verification After an Incremental Test Versus Without a Test

Hebisz, Paulina; Jastrzębska, Agnieszka D.; Hebisz, Rafał

doi:10.3389/fphys.2021.739745

Cited by 6 publications

(8 citation statements)

References 41 publications

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“…However, the exercise test protocol used in previous studies [ 25 ] is not commonly used in the diagnosis of performance capacity. Efforts lasting several minutes at 110% Pmax are more commonly performed in tests to verify VO 2 max [ 32 , 59 , 60 , 61 ]. Similar efforts are also used during training [ 29 ].…”

Section: Discussionmentioning

confidence: 99%

“…A graded exercise test (GXT) was performed to determine aerobic power [ 25 , 32 ]. The test was conducted on a Lode Excalibur Sport cycloergometer (Lode B.V., Groningen, The Netherlands), which was calibrated before the start of the study.…”

Section: Methodsmentioning

confidence: 99%

“…The analysis of the data was carried out using the results averaged every 30 s. The highest recorded oxygen uptake value (from 30 sec averaging) was considered to be the peak oxygen uptake in a verification test performed on a separate day (VO 2 peak2). Maximal oxygen uptake (VO 2 max) was considered to be the higher than VO 2 peak1 and VO 2 peak2, as in earlier work [ 32 ]. The power and oxygen uptake parameters analysed in this study were recalculated in relation to body mass (VO 2 peak1, VO 2 peak2 and VO 2 max) and lean body mass (Pmax·LBM −1 , VO 2 max·LBM −1 ).…”

Section: Methodsmentioning

confidence: 99%

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Temporal Skin Temperature as an Indicator of Cardiorespiratory Fitness Assessed with Selected Methods

Jastrzębska

Hebisz

2022

Biology

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The aim of this study was to determine whether there are associations between cardiovascular fitness (and aerobic capacity) and changes in temporal skin temperature during and after a single bout of high-intensity exercise. Twenty-three men with varying levels of physical activity (VO2max: 59.03 ± 11.19 (ml/kg/min), body mass 71.5 ± 10.4 (kg), body height 179 ± 8 (cm)) participated in the study. Each subject performed an incremental test and, after a 48-h interval, a 110%Pmax power test combined with an analysis of the thermal parameters, heart rate recovery and heart rate variability. Thermal radiation density from the body surface (temple) was measured using a Sonel KT384 thermal imaging camera immediately after warm-up (Tb), immediately after exercise (Te) and 120 sec after the end of exercise (Tr). The differences between measurements were then calculated. The correlation analysis between the thermal and cardiovascular function parameters during the recovery period showed strong positive associations between the Tr-Te difference and measures of cardiovascular fitness (50 < r < 69, p < 0.05). For example, the correlation coefficient between Tr-Te and VO2max reached 0.55 and between Tr-Te and Pmax reached 0.68. The results obtained indicate that the measurement of temporal temperature during and after an intense 3-min bout of exercise can be used to assess aerobic physical capacity and cardiovascular fitness.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Temporal Skin Temperature as an Indicator of Cardiorespiratory Fitness Assessed with Selected Methods

Jastrzębska

Hebisz

2022

Biology

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“…VO 2 peak is a marker of exercise capacity in healthy people and patients with various diseases. VO 2 peak reflects the function and interaction among the cardiovascular and respiratory systems, the efficiency of muscle oxygen consumption, and mitochondrial function [ 41 , 42 ]. After VO 2 is normalized to HR, the O 2 pulse becomes a noninvasive proxy of stroke volume, indirectly reflecting myocardial contractility [ 43 , 44 ].…”

Section: Discussionmentioning

confidence: 99%

ATPase Inhibitory Factor 1—A Novel Marker of Cellular Fitness and Exercise Capacity?

Domin

Pytka

Niziński

et al. 2022

IJMS

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ATPase inhibitory factor 1 is a myokine inhibiting the hydrolytic activity of mitochondrial adenosine triphosphate synthase and ecto-F1-ATPase on the surface of many cells. IF1 affects ATP metabolism in mitochondria and the extracellular space and upregulates glucose uptake in myocytes; these processes are essential in physical activity. It is unknown whether the IF1 serum concentration is associated with exercise capacity. This study explored the association between resting IF1 serum concentration and exercise capacity indices in healthy people. IF1 serum concentration was measured in samples collected at rest in 97 healthy amateur cyclists. Exercise capacity was assessed on a bike ergometer at the successive stages of the progressive cardiopulmonary exercise test (CPET). IF1 serum concentration was negatively and significantly correlated with oxygen consumption, oxygen pulse, and load at various CPET stages. A better exercise capacity was associated with lower circulating IF1. IF1 may reflect better cellular/mitochondrial energetic fitness, but there is uncertainty regarding how IF1 is released into the intravascular space. We speculate that lower IF1 concentration may reflect a better cellular/mitochondrial integrity, as this protein is bound more strongly with ATPases in mitochondria and cellular surfaces in people with higher exercise capacity.

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“…Such efforts lead to lower blood lactate levels 20 compared to repeated sprints lasting 30 s each 14 . In addition, efforts performed with a power of 110% Pmax are used in performance diagnostics to verify peak oxygen uptake obtained in progressive tests 13 , 21 . However, the procedure described by Jastrzębska et al 10 has some shortcomings.…”

Section: Introductionmentioning

confidence: 99%

Assessing aerobic physical efficiency through temple surface temperature measurements during light, heavy exercise, and recovery

Jastrzębska,

Hebisz,

Hebisz

2023

Sci Rep

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The study was conducted to determine thecorrelation between the selected measures of aerobic physical efficiency and changes in the temple surface temperature in response to light and heavy exercise. 25 physically active men aged 19–25 were recruited for the study. They performed a graded exercise test on a cycle ergometer to measure maximum power (Pmax) and a test verifying the value of maximum oxygen uptake (VO2max). Then, two 3-min submaximal efforts with constant-intensity of 2.2 W·kgLBM−1 and 5 W·kgLBM−1, respectively were performed. During the constant-intensity efforts, the temperature of the temple surface was measured. Then, the difference between the temperature of the temple measured at the end of the exercise and the temperature measured at the beginning of the exercise was calculated (ΔT1-2.2, ΔT1-5, respectively). It was shown that ΔT1-2.2 correlated statistically significantly with VO2max (ml·min−1·kg−1) (r = 0.49; p = 0.01) and Pmax (W·kg−1) (r = 0.41, p = 0.04). Moreover, ΔT1-5 correlated statistically significantly with VO2max (l·min−1) (r = − 0.41; p = 0.04). Changes in body surface temperature in response to light exercise positively correlate with measurements of aerobic physical efficiency, such as VO2max and Pmax. When the exercise intensity is high (5 W·kgLBM−1), the correlation between exercise body temperature changes and VO2max becomes negative.

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Real Assessment of Maximum Oxygen Uptake as a Verification After an Incremental Test Versus Without a Test

Cited by 6 publications

References 41 publications

Temporal Skin Temperature as an Indicator of Cardiorespiratory Fitness Assessed with Selected Methods

Temporal Skin Temperature as an Indicator of Cardiorespiratory Fitness Assessed with Selected Methods

ATPase Inhibitory Factor 1—A Novel Marker of Cellular Fitness and Exercise Capacity?

Assessing aerobic physical efficiency through temple surface temperature measurements during light, heavy exercise, and recovery

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