Factors associated with musculoskeletal disorders and disability in elementary teachers: A cross-sectional study.

The purpose of this study was to analyze factors associated with musculoskeletal disorders and disability in elementary teachers. This is a cross-sectional study from a representative sample of Brazilian elementary teachers (n = 530). Data were collected using a self-report questionnaire.

[The association between socioeconomic indicators andadolescents'physical activity and health-related fitness].

Objective: This study was aimed at analysing the association between socioeconomic indicators and adolescents' physical activity and health-related fitness.

Methods: The study involved 716 adolescents from both genders whose age ranged from 10 to 18 years-old (46.8% male) who answered a questionnaire for estimating their habitual physical activity, socioeconomic status; two health-related physical fitness tests were also performed.

[Factors associated with participation in sports and physical education among students from Londrina, Paraná State, Brazil].

This study aimed to analyze factors associated with participation in sports and physical education. The sample consisted of 827 young people selected in two stages and stratified by neighborhood of Londrina, Paraná State, Brazil. The study analyzed participation in sports and physical education in relation to socio-demographic, behavioral, and environmental variables.

[Health-related quality of life in Latin American adolescents].

Objective: The objective of the present study was to find out if there are differences in terms of sex, age, or country of origin for the components of health-related quality of life (HRQL) in samples of adolescents from three cities-in Argentina, Brazil, and Chile, respectively-using data collected through an internationally recognized and validated survey questionnaire, KIDSCREEN-52.

Methods: The KIDSCREEN-52 questionnaire was administered to 1 357 adolescents between 12 and 17 years of age (48.6% of them male) in selected samples in the three countries.

Long-term creatine supplementation improves muscular performance during resistance training in older women.

This study examined the effects of long-term creatine supplementation combined with resistance training (RT) on the one-repetition maximum (1RM) strength, motor functional performance (e.g., 30-s chair stand, arm curl, and getting up from lying on the floor tests) and body composition (e.