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Influence of endurance training on the results of Conconi test

Anton Ušaj ; Fakulteta za Sport, Univerza v Ljubljani, Ljubljana, Slovenija

Puni tekst: hrvatski pdf 825 Kb

str. 32-37

preuzimanja: 175



The goal of this research has been to analyse the heart-rate changes (FS) in Conconi test, these changes being the consequence of endurance training in cross-country skiers. As we know, the endurance training reduces the heart-rate in conditions of the same load, but increases the running speed at the deflection threshold vd. So far, it has not been established how the heart-rate in this test changes during preparation stage of cross-country skiers, who apply three different types of load in their training: athletic running, roller and cross-country skiing, and it would be useful to know whether it is possible to use the Conconi test in order to assess the current fitness status of cross-country skiers. Seven trained cross-country skiers: 4 juniors and 3 seniors participated in the experiment in the period between June and January. Each of them has been tested by means of Conconi test once a month. The training in this period has significantly influenced and vd in seniors from 4.6 + 0.1 m/s in June to 4.9 + O01 m/s in September, and fluctuated at the same level till January, when vd increased to 5.2 + 0.1 m/s. In juniors the vd kinetics was initially different. The increase of the initial speed from 4.3 + 0.1 m/s up to 49 + 0.1 m/s in September is expressed later than in seniors, although their training sessions were very similar, the volume of the training of juniors being 15% smaller; vd fluctuated at this level till January when it reached its highest values of 5.0 + 0.2 m/s. The heart-rate, at the vd has practically not changed during the whole experimental period and fluctuated at the level of 175 l/min. Running speed vd is sensitive enough to changes of endurance, which is compatible with the original Conconi results. Predictors are the running speed at 170 l/min and the heart-rate at 4m/s. Still there is the question of the possible mechanisms of this very phenomenon and of the heart rate (FSd) which does not change, although there are changes in endurance.

Ključne riječi

heart-rate, Conconi test, deflection, training, endurance, cross-country skiing

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