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Revista Portuguesa de Ciências do Desporto

versão impressa ISSN 1645-0523


JOAO, Paulo Vicente; MESQUITA, Isabel; SAMPAIO, Jaime  e  MOUTINHO, Carlos. Comparative analysis between libero and priority receivers on the offensive organization, from the serve reception on the volleyball game. Rev. Port. Cien. Desp. [online]. 2006, vol.6, n.3, pp.318-328. ISSN 1645-0523.

In the last few years volleyball game rules has been changing, causing the emergence of new functions by specific players, as libero. The aim of the present study is to characterize the actions of the libero and priority receivers on the reception and the association with the attack effectiveness. 12 matches performed by 4 teams integrated in the C group of Volleyball Word League 2001 have been analyzed, corresponding to 79 sets, of which emerged 2099 reception actions. The evaluation instrument used was the SOS-vgs system adapted (Moutinho, 1993), which considers reception’ effectiveness and attack’ effectiveness. A descriptive and frequency analysis of the results has been performed. To determine the degree of the association between variables and the comparison between groups a Pearson chi-square ( c2) was used, with a significant value of 5%. Observer’s reliability has been held and revealed minimum intra and inter-observer’s values respectively of 93,4% and 91,8% for the reception quality, and 93,4% and 91,1% for attack’ effectiveness. The results obtained, allowed us to infer that the reception quality was higher on the libero intervention, comparatively with priority receivers’ players. When the association between attack effectiveness and libero or priority receivers’ interventions was taken into account our results differ among the teams. The Portuguese team had the most positive libero player performance comparatively to priority receivers’ players, followed by Cuba and Japan teams, and no significant differences between those two players performance were found in the Yugoslavia team. This study enhances the influence of the reception in the attack effectiveness, alerting for the advantages of using a specialist in these actions, like libero player, on the top level Volleyball male teams.

Palavras-chave : volleyball; game analysis; libero player; priority receivers; reception; attack effectiveness.

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