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ORIGINAL ARTICLE  EXERCISE PHYSIOLOGY AND BIOMECHANICS 

The Journal of Sports Medicine and Physical Fitness 2018 November;58(11):1611-7

DOI: 10.23736/S0022-4707.17.07772-6

Copyright © 2017 EDIZIONI MINERVA MEDICA

lingua: Inglese

Effects of volleyball plyometric intervention program on vertical jumping ability in male volleyball players

Dariusz MROCZEK 1, Krzysztof MAĆKAŁA 2, Adam KAWCZYNSKI 3, Edward SUPERLAK 1, Paweł CHMURA 4, Tomasz SEWERYNIAK 5, Jan CHMURA 1

1 Department of Biological and Motor Sport Bases, University School of Physical Education in Wroclaw, Wrocław, Poland; 2 Department of Track and Field, University School of Physical Education in Wroclaw, Wrocław, Poland; 3 Department of Paralympics Sports, University School of Physical Education in Wroclaw, Wrocław, Poland; 4 Department of Sport Team Games, University School of Physical Education in Wroclaw, Wrocław, Poland; 5 Department of Communication and Management in Sport, University School of Physical Education in Wroclaw, Wrocław, Poland



BACKGROUND: This study aimed to investigate the effect of a 6-week plyometric exercise training program on the development of lower limb explosive power in terms of vertical jumping ability in university level volleyball players. The study involved 9 male volleyball players from the AWF Wroclaw University Sports Club, with a minimum of 5 years of training and competition experience. The program consisted of various bounds, hops, and jumps in vertical, horizontal, and mixed directions. During the program, a progressive overload of plyometric intervention was applied. Lower limb explosive power in the form of vertical jumping ability was developed and tested.
METHODS: The jumping ability was evaluated via 5 types of maximum-effort vertical jumps, using the Opto Jump system. In addition, once each week, the heart rate was recorded using a heart rate monitor (Polar RS300X GPS).
RESULTS: The only significant correlation was found between squat jump and number of jumps and between counter movement jump and heart rate.
CONCLUSIONS: From a practical standpoint, the improvement, which was noticed after 3 and 6 weeks, seems to optimal period for volleyball players adaptation to significant increased training load.


KEY WORDS: Volleyball - Athletic performance - Exercise test

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