Efficiency of the bicycle operation under various tactical variants

Keywords: cycling, tactics, energy expenditure, economy

Abstract

Aim: to determine the efficiency of the cyclist in various tactical options. Material: In the experiments participated athletes (n = 6) of high qualification (mean age - 19.8 ± 1.3 years, mean weight - 71.4 ± 3.5 kg). As a model of the individual pursuit race at 4 km, a five-minute pedaling on the bicycle ergometer was used. Series of loads was set on the modernized mechanical bicycle ergometer “Monark” . The five-minute bicycle ergometer test is similar to the individual pursuit race at 4 km: according to the time of the exercise; on the frequency of pedaling (110-120 rpm); on the frequency of heartbeats. Results: Tactical variants in the pursuit race at 4 km are considered. The total work in a free test was on average 106.38 ± 3.57 kJ. The operating energy consumption is on average for 379.0±16.1 kJ. The operating efficiency (economy) of the exercise attained on average for 28.0 ± 0.75%. This corresponds to the effectiveness of aerobic work of moderate power. The ratio of aerobic and anaerobic contributions to the provision of work was 77.3 and 22.7%. The smallest work was done in a test with step-increasing power. The athletes performed the closest work to the given job in the test with a variable (±15%) operating mode. The shortfall in it was on average for 0.46%. The absence of reliable differences in the economics of the work did not allow us to identify a rational variant of power distribution for an exercise lasting 5 minutes. Conclusions: Tactical options in the pursuit race for 4 km depend on the features of the power systems of the rider. When optimizing tactics, it is necessary to select an individually optimal variant of the distribution of forces at a distance.

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Author Biographies

A.N. Kolumbet, Kiev National University of Technology and Design
re_play@3g.ua; st. Nemirovich-Danchenko, 2, Kiev, 14013, Ukraine
T.A. Bazulyuk, Kiev National University of Technology and Design
baziluk@rambler.ru; st. Nemirovich-Danchenko, 2, Kiev, 14013, Ukraine
L.Y. Dudorova, Kiev National University of Technology and Design
vykh46@i.ua; st. Nemirovich-Danchenko, 2, Kiev, 14013, Ukraine
S.M. Chernovsky, Kiev National University of Technology and Design
chernovskij.sm@knutd.com.ua; st. Nemirovich-Danchenko, 2, Kiev, 14013, Ukraine
N.Y. Maximovich, National University “Odessa Academy of Law”
natalimaximovich@i.ua; Kharkov highway, 210, Kiev, 02121, Ukraine

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Published
2017-10-15
How to Cite
1.
Kolumbet A, Bazulyuk T, Dudorova L, Chernovsky S, Maximovich N. Efficiency of the bicycle operation under various tactical variants. Physical education of students. 2017;21(5):219-24. https://doi.org/10.15561/20755279.2017.0504
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