The reliability of cycling efficiency

Article Abstract:

This article discusses an experiment designed to establish the reproducibility of the delta efficiency (DE), gross efficiency (GE) and economy (EC) of a graded ergometer test of male subjects. Results show that a graded test with 35-W increments and 3 minute stages is best for providing reproducibile measures of EC and DE, but GE measurement tests are more variable.

Analysis, Physiological aspects, Success

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Effect of pre-exercise carbohydrate ingestion on plasma cytokine, stress hormone, and neutrophil degranulation responses to continuous, high-intensity exercise

Article Abstract:

The influence of both the timing and amount of pre-exercise carbohydrate ingestion (CHO) on the plasma concentrations of cortisol and IL-6, circulating leukocyte counts and LPS-stimulated neutrophil elastate release in response to high intensity cycling lasting approximately is examined. The results of the study suggest little beneficial effect of pre-exercise CHO ingestion on the immune response to moderate duration, strenous exercise.

Ingestion

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Glucose polymer weight does not affect exogenous carbohydrate oxidation

Article Abstract:

The effects of high molecular weight (HMV) versus low molecular weight (LMV) glucose polymer solutions on the pattern of substrate oxidation during exercise are compared. A markedly hypotonic HMV glucose polymer solution had no effect on exogenous and endogenous substrate oxidation rates during exercise, relative to a LMV glucose polymer solution.

Comparative analysis, Endurance sports, Glycogen, Molecular weights

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