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Podium. Revista de Ciencia y Tecnología en la Cultura Física

versión On-line ISSN 1996-2452

Resumen

HERRERA DELGADO, Idolo Gilberto; GARCIA HERNANDEZ, Tania Rosa  y  RUIZ LUACES, Yumilka Daisy. The eccentric-concentric phase and the index of strength reactivates in the jump with counter movement in volleyball players. Rev Podium [online]. 2021, vol.16, n.2, pp.408-422.  Epub 07-Ago-2021. ISSN 1996-2452.

The aim of this work is to analyze the relationship between the eccentric-concentric phase and the reactive strength index in the vertical jump with countermovement of the first category volleyball team in Havana. For this purpose, reference is made to the meaning of the different components of muscular contraction in sports activity, as well as other types of muscular contractions for dynamic work. The methods used were theoretical and empirical, such as historical-logical, inductive-deductive, analysis-synthesis, documentary review, measurement and mathematical-statistical; the latter for the tabulation and arrival of results. McCall's scoring method was used to determine the evaluation of the selected indicators, where the values observed above the mean are taken into account, which have positive standard scores, while the values below the mean have negative standard scores. A comparison is made with other research, exceeding in the case of males by 0.8 cm. With respect to the Cuban average, there is a difference of 0.7 cm. with respect to the Spanish average of 0.13 cm. and when analyzing the international reference, the difference is between 8 and 13 cm. The information achieved facilitated the correct planning and its intensification in the loads with weights in the zone of maximum, fast and explosive strength for the increase of the vertical jump in volleyball athletes, reflected in the competitive result of the team.

Palabras clave : Eccentric-concentric phase; Reactive strength index; Vertical jump; Jump with counter movement; Volleyball..

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