The influence of biofeedback on anaerobic working capacity in jump test in the schoolchildren AGED 11-12

Kovalenko, S., Nechyporenko, D., Lysenko, O. (2023) The influence of biofeedback on anaerobic working capacity in jump test in the schoolchildren AGED 11-12. Вісник Черкаського університету. Серія Біологічні науки (№ 1). с. 11-18.

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Резюме

The study objective was to determined the influence of biological feedback on anaerobic working capacity in the schoolchildren aged 11-12. We determined the power of mechanical work of the whole test, the power of the mechanical work during support repulsion phase, jump frequency, the correlation of support and unsupported phases during the performance of the modified 20-second jump test with and without biological (visual and audible) feedback (BFB) in 30 boys and 30 girls aged 11-12. The height of each jump was calculated by the formula: h=tf*g*8-1, where tf – flight phase in seconds, g – acceleration of gravity (9.806665 м·s-2). Based on this indicator, body weight, the duration of support phase and jump cycle, we calculated the power of mechanical work of the whole body (P), the power of mechanical work during repulsion support phase (Pr), jump frequency (Fr), the correlation of support and unsupported phases (R). To assess the dynamics of the studied indicators during the test, we counted their changes at five-second intervals from 5 to 10, from 10 to 15 and from 15 to 20 seconds with respect to the segment from the start of the test up to its fifth second. The girls aged 11-12 had higher level of working capacity than boys in the modified 20-second jump test. The application of biological feedback led to the improvement of results in 20-second anaerobic jump test in the boys and had not any influence on the indicators in the girls aged 11-12. The application of biological feedback increased the results in 20-second anaerobic jump test and improved the dynamics of working capacity during its performance in the children aged 11-12 with psychological focus on achieving success. Such influence was low in the schoolchildren with psychological focus on avoiding failure. The application of biological feedback allows improving the process of training anaerobic opportunities of the schoolchildren aged 11-12 considering their gender and individual psychological features.

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