abstract childhood and adolescence are critical periods for the skeleton. mechanical load has then been shown to be one of the best stimuli to enhance not only bone mass, but also structural skeletal adaptations, as both contributing to bone strength. exercise prescription also includes a window of opportunity to improve bone strength in the late pre- and early peri-pubertal period. there is so...

BACKGROUND Community-based walking programs represent a low-cost, accessible approach to increasing physical activity among inactive adults. However, recruiting participants from vulnerable and hard-to-reach groups remains a challenge. This study examined the reach, retention, sociodemographic and health characteristics, physical activity levels and motivators of participants in Heart Foundatio...

PURPOSE To explore the underlying dimensions of the Barriers and Motivators Questionnaire that is used to assess barriers to and motivators of physical activity experienced by recipients of solid organ transplantation and thereby improve the application in research and clinical settings. METHOD A cross-sectional study was performed in recipients of solid organ transplantation (n = 591; median...

background: reduced level of physical activity, as an important problem of urbanization and industrial development, has a considerable impact on the population morbidity and mortality. the rate of inactivity has been reported to be 60-85% in adults worldwide. considering the importance of physical activity among youth, the aim of this study was to evaluate the physical activity among university...

purpose :   the aim of this study was to examine the influence of selected exercises on motor development in elementary school third grade girl students in ahwaz city, iran . methods :   the present study was semi-experimental, performed as field and using experimental and control groups. the statistical population included all third grade girl students of elementary schools of ahvaz city (10,5...

background and purpose: physical activity may be classified as intense, moderate, and low. despite their health-related benefits, iranian women have a low rate of physical activity. women face numerous obstacles and challenges for participating in physical activity programs, most notably are household chores and taking caring of children, long distance between home and workplace and the other p...

conclusions maternal physical activity affects children’s physical activity, and is affected by mother’s self-efficacy. yet based on the findings of this study, regarding the role model effects of mothers in children aged 10-12 years, researchers proposed that interventions related to physical activity in children would work better if they are set to increase self-efficacy in mothers, which in ...