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Health-oriented physical activity should meet two key criteria: safety and an optimal level of exercise. The system of monitoring and rationalization of training (SMART) was designed to meet them. SMART integrates a custom-configured inertial measurement unit (IMU) and a sensor with real-time heart rate measurement (HR) using a proprietary computer application. SMART was used to evaluate the safety and exercise load with 115 study participants: 51 women (44.35%) and 64 men (55.65%) aged 19 to 65 years. The exercise test was the 6MWT test. In 35% of the participants, the mean HR exceeded the recognized safe limit of HR 75% max. Ongoing monitoring of HR allows for optimal exercise and its safety. Step count data were collected from the SMART system. The average step length was calculated by dividing the distance by the number of steps. The aim of the present study was to assess the risk of excessive cardiovascular stress during the 6MWT test using the SMART system. [ABSTRACT FROM AUTHOR]

Background: Understanding how we can prevent childhood obesity in scalable and sustainable ways is imperative. Early RCT interventions focused on the first two years of life have shown promise however, differences in Body Mass Index between intervention and control groups diminish once the interventions cease. Innovative and cost-effective strategies seeking to continue to support parents to engender appropriate energy balance behaviours in young children need to be explored.Methods/design: The Infant Feeding Activity and Nutrition Trial (InFANT) Extend Program builds on the early outcomes of the Melbourne InFANT Program. This cluster randomized controlled trial will test the efficacy of an extended (33 versus 15 month) and enhanced (use of web-based materials, and Facebook® engagement), version of the original Melbourne InFANT Program intervention in a new cohort. Outcomes at 36 months of age will be compared against the control group.Discussion: This trial will provide important information regarding capacity and opportunities to maximize early childhood intervention effectiveness over the first three years of life. This study continues to build the evidence base regarding the design of cost-effective, scalable interventions to promote protective energy balance behaviors in early childhood, and in turn, promote improved child weight and health across the life course.Trial Registration: ACTRN12611000386932. Registered 13 April 2011. [ABSTRACT FROM AUTHOR]

Background Understanding occupational variations in health risks is necessary to identify high risk groups. We examined the recent prevalence of obesity, heavy alcohol consumption, smoking, and leisure time physical activity (PA) across occupations. Methods Data from the 2010 National Health Interview Survey were used. Analysis was limited to adults, 18 and older who had a job or business the week before the interview (n = 14,754). Adjusted prevalences of outcomes across occupations were calculated using logistic regression. Results The highest prevalence of obesity was within community and social services and morbid obesity was in computer and mathematical occupations. That of smoking was highest in healthcare support, heavy drinking in food preparation and serving related, and non-adherence to PA recommendations in the farming, fishing, and forestry occupations. Conclusion Important health risk factors vary across occupations. Worksite and public health interventions need to be designed and modified to address such occupational health disparities. Am. J. Ind. Med. 58:77-87, 2015. © 2014 Wiley Periodicals, Inc. [ABSTRACT FROM AUTHOR]

Background. Physical activity (PA) level of end‐stage renal disease (ESRD) patients after renal transplantation (TP) is a largely unexplored field, although it is an important component of quality of life. [ABSTRACT FROM PUBLISHER]