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The Journal of Sports Medicine and Physical Fitness 2021 Apr 19

DOI: 10.23736/S0022-4707.21.12107-3

Copyright © 2021 EDIZIONI MINERVA MEDICA

language: English

Relationship between vertical jumping ability and endurance capacity with internal training loads in professional volleyball players during preseason

Guilherme P. BERRIEL 1 , Leonardo A. PEYRÉ-TARTARUGA 1, 2, Thiago R. LOPES 3, 4, 5, Pedro SCHONS 1, 2, Alessandro M. ZAGATTO 6, 7, Javier SÁNCHEZ-SÁNCHEZ 8, Rodrigo RAMIREZ-CAMPILLO 8, 9, Fábio Y. NAKAMURA 10, 11

1 Exercise Research Laboratory, School of Physical Education, Physical Therapy and Dance, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil; 2 Pulmonology Department of the Hospital of Clinics of Porto Alegre, Faculty of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil; 3 São Paulo Association for Medicine Development, São Paulo, Brazil; 4 Exercise Physiology Lab, Olympic Center of Training and Research, São Paulo, Brazil; 5 Department of Physiology, Federal University of São Paulo, São Paulo, Brazil; 6 Laboratory of Physiology and Sport Performance (LAFIDE), School of Sciences, São Paulo State University (Unesp), Bauru, Brazil; 7 Post-Graduate Program in Movement Sciences, Sao Paulo State University (UNESP), Rio Claro, Brazil; 8 Research Group Planning and Assessment of Training and Athletic Performance, Pontifical University of Salamanca, Salamanca, Spain; 9 Department of Physical Activity Sciences, Research Nucleus in Health, Physical Activity and Sport, University of Los Lagos, Osorno, Chile; 10 The College of Healthcare Sciences, James Cook University, Queensland, Australia; 11 Department of Medicine and Aging Sciences, G. d’Annunzio University of Chieti-Pescara, Pescara, Italy


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BACKGROUND: This study aimed to quantify internal training load and changes in vertical jumping ability and endurance capacity of professional volleyball players during the preseason, and to explore relationships between players` physical qualities at the beginning of the preseason with internal training load accumulated during the first two weeks of training.
METHODS: Sixteen male professional volleyball players from a team participating in the Brazilian National Super League took part in the study. Before and after a 10-week preseason, their vertical jumping ability and endurance capacity were assessed by squat jump, countermovement jump without and with arm swing, and YoYo endurance test, level 1. The internal training load was quantified by the session rating of perceived exertion method. Results were analyzed using analysis of variance, magnitude-based inference and Pearson’s correlation.
RESULTS: The internal training load varied between 1388 ± 111 a.u. and 3852 ± 149 a.u., and performance in all the tests was positively changed (small to moderate effect sizes) at end of preseason training. Significant (P < 0.05) very large and large correlations were observed between squat jump (r = -0.81) and YoYo endurance test (r = -0.64) performances and internal training load accumulated during the first two training weeks, respectively.
CONCLUSIONS: In conclusion, the internal training load and training strategies undertaken by the investigated team were effective to improve players` vertical jumping ability and endurance capacity. Coaches need to improve these physical qualities of volleyball players in order to improve their tolerance to training.


KEY WORDS: Team sports; Physical capacity; Attack; Block and physical load

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