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The Journal of Sports Medicine and Physical Fitness 1998 December;38(4):286-93


language: English

Maximal power and force-velocity relationships during cycling and cranking exercises in volleyball players. Correlation with the vertical jump test

Driss T. 1, Vanderwalle H. 2, Monod H. 1

1 Laboratory of Work and Sport Physiology, Faculty of Medicine Pitié-Salpétrière, Pierre et Marie Curie University, Paris, France; 2 Department of Sports Science, National Institute of Sports and Physical Education, Paris, France


Background. The aim of ­this ­study was to pro­pose a ­test bat­tery adjust­ed to vol­ley­ball ­players and to ­study the ­links ­between dynam­ic (ver­ti­cal ­jump, ­force-veloc­ity rela­tion­ships and max­i­mal anaer­o­bic pow­er in crank­ing and ­cycling) and stat­ic (max­i­mal vol­un­tary ­force and ­rate of ­force devel­op­ment in iso­met­ric con­di­tions) per­for­manc­es.
Methods. The rela­tion­ships ­between brak­ing ­force (F) and ­peak veloc­ity (V) ­have ­been deter­mined for ­cycling and crank­ing exer­cis­es in 18 ­male vol­ley­ball ­players of a dis­trict ­league. According to pre­vi­ous stud­ies, ­these F-V rela­tion­ships ­were ­assumed to be lin­e­ar and ­were ­expressed as fol­lows: V=V0 (1-F/F0), ­where V0 ­should be an esti­mate of the max­i­mal veloc­ity at ­zero brak-
­ing ­force where­as F0 is ­assumed to be a brak­ing ­force cor­re­spond­ing to ­zero veloc­ity. Maximal anaer­o­bic pow­er in ­cycling (Pmax leg) and crank­ing (Pmax arm) ­were cal­cu­lat­ed as ­equal to 0.25 V0F0. The ­same sub­jects per­formed a ver­ti­cal ­jump ­test (VJ) and a ­strength ­test on an iso­met­ric leg ­press ­with the meas­ure­ment of the uni­lat­er­al iso­met­ric max­i­mal vol­un­tary ­force (MVF) and indi­ces of ­rate of iso­met­ric ­force devel­op­ment (RFD): max­i­mal ­rate of ­force devel­op­ment (­MRFD) and the ­time ­from 25% to 50% of MVF (T25-50).
Results. Pmax leg (15.8 ± 1.4 W.kg-1) and V0 arm (259.6 ± 13.1 rpm) ­were ­high but sim­i­lar to the ­results of ­elite ath­letes, pre­vi­ous­ly col­lect­ed ­with the ­same pro­to­cols and the ­same devic­es. VJ was sig­nif­i­cant­ly cor­re­lat­ed ­with F0 leg, Pmax leg and Pmax arm relat­ed to ­body ­mass. The per­for­manc­es of the dynam­ic ­tests ­were sig­nif­i­cant­ly cor­re­lat­ed and espe­cial­ly the param­e­ters (V0, F0, Pmax) of the ­force veloc­ity ­tests in ­cycling ­were sig­nif­i­cant­ly cor­re­lat­ed ­with the ­same param­e­ters in crank­ing. The ­results of the iso­met­ric ­tests (MVF, ­MRFD) ­were not cor­re­lat­ed ­with VJ, ­except T25-50 of the ­left leg.
Conclusions. A ver­ti­cal ­jump ­test and a ­force veloc­ity ­test ­with the ­arms are pro­posed for a ­test bat­tery in vol­ley­ball ­players.

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