October 7, 2011

By Rosanne Prinsen, Msc

Alberta Centre for Active Living

Note: where possible we provide the DOI to link to research papers in the Info Round up.  To use it, cut and paste the DOI into the text box on this webpage: Access to research articles will be dependent on your Institutional rights.

The Active Circle is an initiative of Motivate Canada, in partnership with the Aboriginal Sport Circle, which supports Aboriginal youth and communities to become vibrant, active and healthy through sport and recreation.

Preventive Medicine In Press, Accepted Manuscript
From 2007–2010, 273 participants from the province of British Columbia, Canada were recruited through 21 Aboriginal communities representing male and females of wide ranging ages and health statuses…… The self-selected intensities program was successful in improving health status and physical activity for Aboriginal adults of all ages, genders and activity programs.

For the third year in a row, data released by the US Census Bureau’s American Community Survey show that more than half of one percent of American workers use a bicycle as their primary mode of transportation to work. While this number represents nearly 40 percent growth since 2000, it also shows that we still have a lot of work to do in making our communities truly welcoming to bicyclists.

The Australian Bicycle Council released the results of the National Cycling Participation Survey. The survey found that in a typical week around 18% of Australians ride a bicycle for transport and recreation with around 3.6 million people riding for recreation, leisure or sport and 1.2 million people making at least one transport journey.

The research, which (was) presented at the European Respiratory Society's Annual Congress in Amsterdam, suggests that cyclists inhale more black carbon than pedestrians, which may cause damage to the lungs.

Regular exercise, like walking, can significantly reduce individual health-care costs, bringing down insurance rates for everyone. For example, residents of Portland, Oregon currently save over $10 million a year in avoided health-care costs thanks to that city’s smart investments in bike/walk infrastructure.

Health & Place In Press, Accepted Manuscript
These results highlight the difficulty of disentangling the potential effects of the built environment on adolescent physical activity.

Comprehensive School Health (CSH) is an internationally recognized framework that helps develop and support healthy school communities.  This article outlines the basics about CSH, why we need it and how it supports the development of healthy school communities in Alberta.

Journal of Science and Medicine in Sport In Press, Corrected Proof
Neighborhoods that discourage physical activity may encourage indoor activities such as television viewing; however few studies have examined associations between neighborhood characteristics and sedentary activities. This study examined cross-sectional and longitudinal associations between perceived and objective measures of the physical and social neighborhood environment and TV viewing among children and adolescents…Conclusions. Crime and a lack of quality sporting facilities or options may contribute to greater TV viewing among youth.

American Journal of Preventive Medicine Vol 41, Iss 4, October 2011, Pages 442-455
These findings support several recommendations for policy and environmental change from such groups as the IOM and National Physical Activity Plan.

Obesity Research & Clinical Practice Vol 5, Suppl 1, October 2011, Pages 9-10
When children increase physical activity, there are “ripple effects” in the time committed to other activities, such as sleep, screen time, social and cognitive behaviours. These activities all have health implications, and implications for weight management. Ripple effects are almost never modeled.

** Please go to the supplement table of contents – there are many, many more relevant articles in this issue**

CDC synthesized research and best practices related to promoting healthy eating and physical activity in schools, culminating in nine guidelines… each of the guidelines is accompanied by a set of implementation strategies developed to help schools work towards achieving each guideline. Although the ultimate goal is to implement all nine guidelines included in this document, not every strategy will be appropriate for every school, and some schools, due to resource limitations, might need to implement the guidelines incrementally.

Public Health In Press, Corrected Proof
The environments where people live, learn, work and play have a profound influence on health. Policies affecting physical activity, access to healthy foods, and the prevalence of tobacco products in our neighbourhoods can either promote or discourage behaviour associated with cancer and other chronic diseases.

The Health Fact Sheet publication features short informative articles on interesting health topics from various health data sources.  Topics this issue include: Physical activity during leisure time, 2010; Physical activity levels of Canadian adults, 2007 to 2009; and Physical activity levels of Canadian children and youth, 2007 to 2009.

According to the 2009 CCHS―Healthy Aging, 3% of men and 19% of women aged 50 or older reported having been diagnosed with osteoporosis.  A diagnosis of osteoporosis was significantly associated with age, sex, Aboriginal origin, high nutritional risk and underweight.  The odds were also high for people in lower-income households, notably women aged 50 to 70.

A new monitoring system being developed by Professor Marjorie Skubic of the Electrical and Computer Engineering Department and her interdisciplinary team at the University of Missouri could help older adults avoid falls before they happen and alert health care professionals when they do.

Microsoft Kinect cameras are set up in the apartments of volunteers in a residential care facility in Columbia, and researchers are studying how the systems can prevent falls, serious illness and accidents.

Although directly measured height and weight provide the most accurate estimates of the prevalence of obesity, cost and logistical considerations oblige the Canadian Community Health Survey to continue to collect self-reported data.

A newsletter produced by the Canadian Obesity Network.  The Childhood Obesity Issue – What’s really driving the epidemic?

The use of parent-reported values misrepresents associations between BMI categories and other variables related to obesity, such as aerobic fitness, systolic blood pressure and a subjective assessment of overall health. Correction equations provide only small reductions in reporting bias.

American Journal of Public Health published online ahead of print Sep 22, 2011
doi: 10.2105/AJPH.2011.300257 
The authors conclude that it is important to consider both intensity and type of physical activity when examining associations with mortality.

American Journal of Preventive Medicine Vol 41, Iss 4, October 2011, Pages 376-384
There are cumulative benefits of physical activity across adulthood on physical performance in midlife. Increased activity should be promoted early in adulthood to ensure the maintenance of physical performance in later life.

Health & Place In Press, Accepted Manuscript
To evaluate the growing literature on the built environment and physical activity/obesity, we conducted a review of review papers. Through systematic search, we identified 37 reviews that met the inclusion criteria…….

Health & Place In Press, Corrected Proof
Attention to how people understand their environment and navigate competing demands can improve the scientific value of ongoing efforts to promote active living and health, while also better fulfilling our ethical obligations to the individuals and communities whose health we strive to protect.

Contemporary Clinical Trials In Press, Accepted Manuscript
The BEAT Cancer study is a physical activity behavior change study addressing the important clinical and public health problem of physical inactivity among breast cancer survivors. Physical activity programs should be offered to all breast cancer survivors without a medical contraindication given the association between physical activity and a reduction in risk for breast cancer recurrence and mortality of 35% and 46%, respectively. If the BEAT Cancer intervention success is confirmed in this larger trial, the intervention can be disseminated for broader use at cancer centers and institutes.

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