Determination of circulating hemoglobin mass and related quantities by using capillary blood

Article Abstract:

Determining circulating hemoglobin mass and related quantities through use of capillary blood and micromethods is discussed. It was found that calculating total hemoglobin mass (Hb(sub.tot)) using capillary blood is as accurate and reliable as finding the value by using venous blood.

Usage, Hemoglobin, Hemoglobins, Blood, Sports medicine, Carbon monoxide

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Maximal lactate-steady-state independent of performance

Article Abstract:

This study investigates physiological aspects of the maximal lactate-steady-state, or the highest level of exercise intensity that can be maintained without accumulating blood lactate. Results indicate that the maximal lactate-steady-state is independent of performance, but fitness levels effect lactate regulation during exercise.

Statistical Data Included, Physical fitness, Oxidation, Physiological, Physiological oxidation, Glycolysis

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Effect of test interruptions on blood lactate during constant workload testing

Article Abstract:

Research shows that test interruptions decrease blood lactate concentration but does not affect maximal lactate steady state. Results suggest that at heavy and severe exercise intensities testing procedures requiring test interruption for blood sampling, can substantially underestimate level of physiological exertion but not the maximal lactate steady state.

United Kingdom, United States, Science & research, Norway, Evaluation, Test validity, Exercise tests

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