Aim: The aim of this study is to investigate gender, age and physical activity influences on postural static balance development in schoolchildren (1). Method: Eighty-one healthy schoolchildren (37 males and 44 females, 8 ±1 years, 127±6 cm height, 27±5 kg weight and 20±2 cm foot length) were asked to perform stabilometric trials both in bipodalic (60 s) and monopodalic (30 s) (2) stance with and without visual inputs on a balance platform (Prokin PK 214 P, Bergamo, Italy). Results: Both in 7 and in 8 year groups postural performances were found higher in girls than in boys. In 7 years group, girls revealed the best postural balance both during bipodalic and monopodalic trials with eyes open (p<0.05 and p<0.005 respectively). The same was during monopodalic stance with eyes closed on dominant leg (p<0.05) and in monopodalic stance both with eyes open and closed on left leg (p<0.05). Also in 8 years group, girls performed the best balance trials in monopodalic stance with eyes closed both on dominant leg and on left leg (p<0.05) for: velocities, perimeter length and area of the CoP. Both male and female groups of 8 years, showed better postural performances than 7 years groups, during bipodalic trials in eyes closed condition (p<0.05), and monopodalic trials with visual inputs on both of the two lower legs as a support (p<0.005). Conclusion: Data revealed by written questionnaires on physical activity practiced by schoolchildren of the study highlighted that some physical activities such as: dance, artistic gymnastics and skating for females; soccer, ski and tennis for males, are correlated with a best static postural performance in schoolchildren of 7 and 8 years. References: 1. Martin, D (1982) Die Leistungsfaehigkeiten und Entwicklung der Kinder. Leistungs-sport 28. 2.Gribble, P A et al. (2007) Time-of-day influences on static and dynamic postural control. J Athl Train 42(1): 35-41.
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