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Gazzetta Medica Italiana Archivio per le Scienze Mediche 2012 April;171(2):191-8


language: English

Reference values of vertical jumping performance in healthy Tunisian children

Aouichaoui C. 1, Trabelsi Y. 1, Bouhlel E. 1, Tabka Z. 1, Dogui M. 2, Richalet J. P. 3, Bouchez Buvry A. 3, 4

1 Université de Sousse, Laboratoire de Physiologie et des Explorations Fonctionnelles, Faculté de Médecine de Sousse, Sousse, Tunisie; 2 Université de Sousse, Service d’Exploration Fonctionnelle du Système Nerveux, CHU Sahloul, Sousse, Tunisie; 3 Université Paris 13, Laboratoire «Réponses Cellulaires et Fonctionnelles à l’hypoxie», Bobigny, France; 4 Service de Physiologie et Explorations Fonctionnelles Multidisciplinaires, C.H.U Jean Verdier, Bondy, France


Aim. The purpose of this study was to identify the relationship between force, velocity and power in vertical jumping and anthropometric parameters and to establish normal values of vertical jumping parameters in healthy Tunisian children.
Methods. Four hundred eighty-two school children, 260 males and 222 females, performed the vertical jump to measure the muscular force, velocity and power of legs. A multiple regression analysis for vertical jumping parameters including force, velocity and power jump as the dependent variables were applied over all ages by analysing the two genders separately. Standing height, age and weight were included in the final regression models as the independent variables.
Results. All anthropometric parameters and jumping performances increased with age. Height and weight were highly correlated with the force for both genders. Reference values and multiple prediction equations of vertical jumping parameters were set based on a large sample of healthy Tunisian children. The results of multiple regressions showed that age, weight and standing height were the strongest predictors of jumping performances in healthy Tunisian children.
Conclusion. These reference values can be used to quantify muscle weakness and to evaluate the possible effects of therapy in children suffering from any disease that affects leg muscle strength.

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