Secular trends in body image dissatisfaction and associated factors among adolescents (2007-2017/2018).

Objective: To assess secular trends in body image dissatisfaction and associated factors among adolescents over a 10-year period (2007-2017/2018).

Methods: The sample included 1,479 (2007, n = 531; 2017/2018, n = 948) high school adolescents of both sexes, aged 14 to 18 years, of schools in a city in southern Brazil, in 2007 and 2017/2018. Data were collected on sex, age, physical activity (IPAQ, short form), anthropometric measurements (body weight, height, and triceps and subscapular skinfolds), and body image dissatisfaction (figure rating scale).

Physical Activity Levels in Brazilian Adolescents: A Secular Trend Study (2007-2017/18).

Only a small proportion of Brazilian adolescents practice sufficient physical activity (PA). However, it is not clear whether this proportion has been decreasing over time. This study aimed to examine the 10-year trends of sufficient PA in adolescents and to investigate differences by sex and age.

Young people's low back pain and awareness of postural habits: A cross-sectional study.

Background: Young people tend to spend most of their time in activities involving inappropriate positions, which can promote musculoskeletal alterations and disorders.

Objective: To investigate the prevalence of low back pain (LBP) in young people and analyse its associations with daily postural habits.

Methods: Cross-sectional and retrospective study evaluating 679 Brazilian young people (15 to 18 years old), using questionnaires about LBP and awareness of postural habits.

Evaluation of cardiopulmonary system outcomes in children with developmental coordination disorder: A systematic review.

Background: children with Developmental Coordination Disorder (DCD) tend to avoid physical activity, which can affect their health and well-being.

Aim: Conduct a systematic review to identify, synthesize and compile data from the literature on the evaluation of the cardiopulmonary system in children with DCD.

Method: According to PRISMA guidelines, we searched for articles indexed in PubMed, LILACS, Scopus, Web of Science, and Cochrane Library.

Social support from family and friends for physical activity in adolescence: analysis with structural equation modeling.

Social support is an important predictor for the maintenance of physical activity in adolescence. Thus, the social-ecological approach values the impact of individuals or groups interaction with available resources in the social environment for adopting an active lifestyle. This study analyzes social support from family and friends for adolescents to practice physical activity.

SUBJECTIVE SLEEP NEED AND DAYTIME SLEEPINESS IN ADOLESCENTS.

Objective: To analyze the contribution of subjective sleep need for daytime sleepiness in adolescents, and to compare questions about sleep, age and body mass index between adolescents who considered to sleep enough and those who reported the need for more sleep.

Methods: This is a descriptive, epidemiological and cross-sectional study. Data collection was performed in August 2016, with 773 adolescents aged 14-19 years old, from Paranaguá, Paraná, Southern Brazil.

[Insufficient levels of physical activity of adolescents associated with sociodemographic, environmental and school factors].

This study investigated the associations between the level of physical activity with sociodemographic, environmental and academic factors of adolescents. Two thousand five hundred and forty-five adolescents aged between 14 and 18 from Florianópolis and neighboring cities participated in this study. The short version of the International Physical Activity Questionnaire (IPAQ) was used.

Reliability, Stability and Validity of the Brazilian Adaptation of the Oliveira Questionnaire on Low Back Pain in Young People.

Introduction: The objective of this study was to adapt the Brazilian version, and verify the validity, reliability and internal consistency of the Oliveira questionnaire on low back pain in young people.

Material And Methods: The questionnaire was translated from European Portuguese into Brazilian Portuguese by means of translation and re-translation. The validity of the contents was determined by experts who analyzed the clarity and pertinence of the questions.

EXERGAMES AS A TOOL FOR THE ACQUISITION AND DEVELOPMENT OF MOTOR SKILLS AND ABILITIES: A SYSTEMATIC REVIEW.

Objective: To analyze the literature on the effectiveness of exergames in physical education classes and in the acquisition and development of motor skills and abilities.

Data Source: The analyses were carried out by two independent evaluators, limited to English and Portuguese, in four databases: Web of Science, Science Direct, Scopus and PubMed, without restrictions related with year. The keywords used were: "Exergames and motor learning and motor skill" and "Exergames and motor skill and physical education".

Assessment of sleep in subjects with visual impairment: Comparison using subjective and objective methods.

The objective of the present study was to verify the agreement between objective and subjective measures of sleep in people with and without visual impairment. Thirty-seven subjects with visual impairment participated in the study (19 blind without light perception and 18 low-vision), as well as 34 subjects with normal vision, with paired age and gender characteristics. For the subjective sleep evaluation, we used the Sleep Quality Index-PSQI and for the objective evaluation we used the ActiGraph GT3X+.

[Sleep in adolescents of different socioeconomic status: a systematic review].

Objective:: To analyze the sleep characteristics in adolescents from different socioeconomic levels.

Data Source:: Original studies found in the MEDLINE/PubMed and SciELO databases without language and period restrictions that analyzed associations between sleep variables and socioeconomic indicators. The initial search resulted in 99 articles.

Reliability of the M-FLEX™: equipment to measure palmar grasp strength in infants.

The palmar grasp behavior investigation is frequent in evaluation routine of infants. The aim of this study was to determine the reliability of an instrument for measuring palmar grasp strength in infants from birth to four months of age. Thirty-nine healthy infants from both sexes from birth to four months of age were evaluated and divided into three groups ("SC", "FR", "BL") according to the city they came from.