Effectiveness of Brainball program on physical fitness of primary school pupils in Vietnam. A longitudinal study.

Objective: The present study aimed to evaluate the effectiveness of the Brainballs on the physical fitness of 2nd-grade students at a primary school in Vietnam during and eight months after the experiment.

Methods: The study included 55 pupils (23 boys and 32 girls) aged seven years. The study design was a pedagogical experiment with a parallel-group technique, including experimental and control groups.

BRAINballs Program Improves the Gross Motor Skills of Primary School Pupils in Vietnam.

The purpose of this study was to evaluate the impact of the BRAINballs program on second graders' gross motor skills in a primary school in Vietnam. A total of 55 students (23 boys and 32 girls) aged seven years participated in the study. The research used the method of a pedagogical experiment and parallel group technique (experimental and control group) with pre- and post-testing.

Sexual risk and bridging behaviors among young people in Hai Phong, Vietnam.

The risk of the HIV epidemic spreading from high-risk groups to the general population in Vietnam depends on sexual risk and bridging behaviors between high- and low-risk individuals. A cross-sectional study was used to describe sexual activities of youth aged 18-29 years. Nearly half (41.