The need to overcome gender differences in physical activity (PA) is an essential part of health and education policy. Adolescent girls display less PA than boys. The aim of the presented research was to determine whether 4-week monitoring with pedometers can influence differences between the level of PA amongst adolescent girls and boys. Four-week interventions using pedometers, motivational b...

BACKGROUND Sex comparisons between girls and boys in response to exercise in trained adolescents are missing and we investigated similarities and differences as a basis for clinical interpretation and guidance. METHODS A total of 24 adolescent females and 27 adolescent males aged 13-19 years underwent a maximal bicycle exercise stress test with measurement of cardiovascular variables, cardiac...

anthropometry, a useful method for evaluating craniofacial soft tissues, makes the quantitative description of the face possible. it also assesses the degree of disharmony and imbalance in the growth and development of the face. the aim of this study was to examine the overall common age-related changes of nasomaxillary complex of adolescent boys in northeast iran. three- hundred- twelve 12 to ...

this study was intended to investigate the visual field status and its association with other visual parameters in adolescent boys and to compare these outcomes to hearing ones. in a cross-sectional study, visual fields (vf) of 64 adolescent boys with hearing impairments and 68 age-matched boys with normal hearing were evaluated among high school students of tehran, iran in 2013. they all had i...

purpose this study was conducted to investigate risk factors of obesity and its associated health problems in adolescence in taiwan. methods we enrolled 559 adolescent volunteers with equal numbers of females and males in 2008. participants were divided into two groups: obese (body mass index [bmi] ≧95th percentile) and normal-weight adolescents (bmi: 15th ∼ 85th percentile). each of them compl...

The recent exponential surge in vitamin D research reflects the global epidemic of vitamin D deficiency and its potential impact on several chronic diseases in both children and adults. Several subpopulations, including Arab adolescent boys and girls, remain understudied. This study aims to fill this gap. A total of 2225 apparently healthy Saudi adolescents (1187 boys and 1038 girls, aged 13-17...

AIM OF THE STUDY The aim of this study was to compare bone mineral content (BMC), bone mineral density (BMD) and bone mineral apparent density (BMAD) in obese, overweight and normal weight adolescent boys. METHODS & RESULTS This study included 23 obese, 19 overweight and 25 normal weight adolescents (aged 14-20 years) boys. The three groups (obese, overweight and normal weight) were matched f...

The primary aim of this paper was to examine associations between supportive-responsive maternal/paternal–adolescent relationships and adolescents' coping strategies and whether associations vary across adolescent gender. It was hypothesized that supportive-responsive parent–adolescent relationships (indicated by high support and knowledge and low psychological control) would predict higher lev...

Background in music performance and pedagogy. During the voice-change process, singing for adolescent boys may become more difficult and unpredictable. Many boys cease singing when they reach puberty as they experience their voices as unreliable and a potential source of embarrassment. They often leave choirs and singing experiences they have previously enjoyed because they and their teachers b...

The purpose of this study was to determine the effects of body mass-based squat training on body composition, muscular strength and motor fitness in adolescent boys. Ninety-four boys (13.7 ± 0.6 yrs, 1.60 ± 0.09 m, 50.2 ± 9.6 kg) participated in this study and were randomly assigned to training (n = 36) or control (n = 58) groups. The training group completed body mass-based squat exercise trai...