Perception of lower back pain associated with use of body armor in police officers of the countryside specialized battalion of Ceará, Brazil.

Introduction: The strict demands of the military environment, associated with the increase in violence, as well as the frequent use of body armor, can further aggravate health problems.

Objectives: To investigate the perception of police officers of the Countryside Specialized Police Battalion in relation to comfort, fatigue, and lower back pain, resulting from the use of body armor.

Methods: This was a cross-sectional study conducted with 260 male military police officers (34.

Lack of professional recognition: main reason for stress in military police.

Introduction: Military police officers play a crucial role in contemporary society, which is marked by the increase in criminality. Therefore, these professionals are constantly under pressure, both socially and professionally, so occupational stress is something present in their routine.

Objectives: To investigate the stress levels of military police officers in the municipality of Fortaleza and its metropolitan region.

Perceived barriers to physical activity during the 2nd lockdown in a northeastern state of Brazil.

Background: The practice of physical activity has been recommended during the pandemic period of COVID-19 as a way of preventing the worsening of physical and mental health. After the increase in COVID-19 cases in Brazil and the new lockdown decrees, many people have reported that they are unable to engage in physical activity during the lockdown.

Aims: The present study aimed to investigate the barriers to physical activity in the 2nd lockdown in the state of Ceará, Northeast Brazil.

Adaptation of the night eating questionnaire for Brazilian adolescents.

Introduction: Night Eating Syndrome (NES) is characterized by a delay in the circadian rhythm of food intake and affects 1.5% of the general population, occurring more frequently in obese people. The Night Eating Questionnaire (NEQ) was originally developed for the American adult population.

Sleep duration and daytime sleepiness in a large sample of Brazilian high school adolescents.

Objective: To investigate the prevalence and main factors associated with short and long sleep duration and excessive daytime sleepiness in Brazilian adolescents.

Methods: This was a cross-sectional study of 11.525 students of both genders, aged 14-17 years, from the public high-school system.

Isolated and combined presence of elevated anthropometric indices in children: prevalence and sociodemographic correlates.

This study analyzed the prevalence and sociodemographic factors associated to the isolated and combined presence of elevated anthropometric indices among children. A cross-sectional study was performed with 2,035 children (aged 6-11 years, 50.1% of girls) who were randomly selected in schools from Colombo, Brazil.

Rationale and methods of a cluster-randomized controlled trial to promote active and healthy lifestyles among Brazilian students: the "Fortaleça sua Saúde" program.

Background: Interventions on adolescents' lifestyle are important, but the main mechanisms that explain the changes (mediating variables) on lifestyle are unclear. This paper presents the rationale and methods of an intervention program focused on promoting active and healthy lifestyles (especially physical activity [PA] practice and reducing screen time) among Brazilian students-the Fortaleça sua Saúde program (Portuguese for "strengthen your health").

Methods/design: This is a school-based cluster-randomized controlled trial.

[Physical activity and healthy eating in Brazilian students: a review of intervention programs].

This article provides a systematic literature review on physical activity and/or healthy eating interventions among Brazilian students. Complete articles published from 2004 to 2009 were searched in the SciELO, MEDLINE, and CAPES electronic databases, in the articles' references, and through contacts with authors. Six studies covered nutritional interventions, another six analyzed nutrition and physical activity, and one discussed changes in body composition.