[Prevalence of height-weight deficit in Tunisian boys of the Northern and Southern regions].

Background: Malnutrition is owing to an alimentation regarding quantity and quality food. aim: To examine the different forms of malnutrition among Tunisian boys of the north and south regions, to form an idea about the state of their health and their living conditions.

Methods: Our empirical investigation was carried out on 1082 northern boys and 1016 southern boys, aged from 10 to 14 years including 1057 non pubescent boys and 1041 prepubescent boys.

The effect of a combined high-intensity plyometric and speed training program on the running and jumping ability of male handball players.

Purpose: The aim of this study was to investigate the effect of a combined program including sprint repetitions and drop jump training in the same session on male handball players.

Methods: Twenty-two male handball players aged more than 20 years were assigned into 2 groups: experimental group (n=11) and control group (n=11). Selection was based on variables "axis" and "lines", goalkeepers were not included.