Carlson’s fatigue curve: Valid parameter for evalutaion and control of the anaerobic capacity?
Belén Feriche Fernandez-Castanys
Ángel Gutiérrez Sainz
Cite this article
Feriche Fernandez-Castanys, B., & Gutiérrez Sainz, A. (1997). Carlson's fatigue curve: Valid parameter for evalutaion and control of the anaerobic capacity?. Apunts. Educación Física y Deportes, 48, 68-73.
The planning of sports training is based on the objective determination of physiological parameters through tests that are valid dependable and easily reproduced.
These parameters have been evaluated in laboratories fitting themselves per- fectly to the needs of a correct dose of variables (Wingate et al. 1981, Margaria et al. 1966, Ayalon et al. 1974) yet, on the other hand, the evaluation contribu- tions made in the field are very limited. Carlson’s fatigue curve is described as a simple, direct way of evaluating the anaerobic capacity (CA) of a sportsman although it is not clear if it measures the lactic or alactic C.A. With the idea of finding the energetic metabolism implied in this test, 31 sports people, 18 men and 13 women of 21,6±3,2 years old were subjected to 10 series of 10 seconds of skipping (counting the cycles or the number of times a leg touched the floor after a complete rope circle), alternating with another 10 series of 10 seconds test. The subjects were monitored throughout the work period and the rest period, obtaining the heart expenditure from the sum of the final heart rate plus that of the 2nd, 4th and 6th minute of the rest period, during which, also, blood samples were taken from an ear lobe previously congested, in the 1st, 3rd, 5th, 7th and 10th minutes of the rest period, and immediately analyzed in an Analox p-LM5, showing an average of the greatest concentration of lactate of 10.9±5,3 mMo1/1.
The statistical analysis of regression shows a low correlation between the average heart expenditure (501±42 ppm) and the average total cycles (180,1±21) with a value of R=0,07 going down to 0,01 and 1,2.10 -6 respectively, according to sex (men and women)
We consider, looking at the results, that Carlson’s fatigue test curve cannot be presented as a valid method of evaluation and control of the sports training as it shows no relation at all between the concentrations of lactate heart expen- diture and performance of the subjects tested under the conditions established in the test.
Published: April 01, 1997
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