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Кинематические и динамические характеристики установившегося нестационарного движения элитных пловцов

Кинематические и динамические характеристики установившегося нестационарного движения элитных пловцов

Abstract

Fr(f.d.)(t)). У элитных пловцов зарегистрированы высокие значения коэффициента пропульсивной эффективности (ep = 0,626-0,837).A biohydrodynamic method elaborated on extensive previous research is presented and applied to provide landmark data of elite male and female swimmers in the variables governing swimming performance. Using this method intracyclic values of total and effective propulsive forces generated by moving limbs have been estimated. Intracyclic changes in instantaneous forward velocity of the centre of humans body masses were connected with certain cycle phases and explained by differences in instantaneous values of effective propulsive force (Fp(e.)(t)) and force of frontal hydrodynamic resistance (Fr(f.d.)(t)). High coefficients of propulsive efficiency (ep = 0.626-0.837) among the elite swimmers studied were registered.

На основе продолжительных исследований создан биогидродинамический метод, который используется для анализа технической подготовленности элитных пловцов женского и мужского пола. Этот метод позволил количественно определить реальные внутрицикловые значения тотальной и эффективной продвигающих сил, генерируемых движителями пловца. Внутрицикловые изменения мгновенной поступательной скорости, равной скорости центра масс тела человека, взаимосвязаны с определенными фазами цикла движений и объясняются разницей мгновенных значений эффективной продвигающей силы (Fp(e.)(t)) и силы лобового гидродинамического сопротивления (

Keywords

ПЛАВАНИЕ, АКТИВНОЕ ГИДРОДИНАМИЧЕСКОЕ СОПРОТИВЛЕНИЕ, МЕХАНИЧЕСКАЯ МОЩНОСТЬ, ПРОПУЛЬСИВНАЯ ЭФФЕКТИВНОСТЬ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average