Systematic Review Shows Only Few Reliable Studies of Physical Activity Intervention in Adolescents

摘要: Introduction. Several studies have pointed to the high prevalence of low levels physical activity in adolescents, suggesting need for more effective interventions this group. The aim study was present evidence intervention programs efficacy adolescents. Methods. Surveys PubMed, SportDiscus, LiLacs, and SciELO databases were conducted using keywords identify population, intervention, outcome, as well DeCS MeSH terms English, Portuguese, Spanish, whenever appropriate. review included observational with minimal six months, minimum sample size 100 written any language, those who reached STROBE score greater than 70%. Results. Only seven met all inclusion criteria. Of these, five pre- postintervention two had n > 2000 participants. Interventions several types, durations, strategies implementation. Behavior change assessed 43% three reported success some way. Conclusion. Due heterogeneity their contents methodologies, lack jobs that accompany adolescents after period, one cannot draw conclusions about actual effects on behavior young people.