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Ana Carina Naldino Cassou, Rogerio Fermino, Ciro Romélio Rodriguez Añez, Mariana Silva Santos, Marlos R. Domingues and Rodrigo S. Reis

Background:

The aim of this study was to identify barriers to physical activity among elderly Brazilian women of different socioeconomic status (SES).

Methods:

A focus-group approach was employed. Subjects were aged, on average, 69.9 years (±6.9; n = 25). SES was measured based on a structured interview and women were grouped according to SES classification. Content analysis was used to categorize mentions of barriers to physical activities followed by descriptive analysis of absolute and relative frequencies of similar reports.

Results:

Most common barriers among high-SES elderly women were those within “psychological, cognitive, and emotional” dimensions (33.8%) and “environmental” (29.2%). Among women from lower SES, barriers were inversely ranked, the highest prevalence was verified for environmental (33.8%) and “psychological, cognitive, and emotional” dimensions (25%).

Conclusions:

The results highlight that barriers perception varies according to women’s SES, indicating that physical activity promotion strategies must address such differences.

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Jorge Mota, Nuno Delgado, Mariana Almeida, José Carlos Ribeiro and Maria Paula Santos

Background:

The purpose of this study was 1) to compare physical activity levels according to body-mass index; 2) to determine which, if any, neighborhood perceived attributes were related to overweight.

Methods:

The sample comprised 610 girls age 14.7 ± 1.6 y. Girls were grouped into normal weight and overweight. Environmental variables and physical activity were assessed by questionnaire.

Results:

No significant differences were found in physical activity levels between normal weight and overweight girls. Logistic regression analysis revealed that girls who agreed that “there is so much traffic on the streets that it makes it unpleasant to walk in the neighborhood” were more likely to be overweight (OR = 1.78; 95% CI 1.10 to 2.89).

Conclusion:

The study found no relationship between perceptions of the environment and overweight among Portuguese girls, except for perceptions of security for walking in the neighborhood.

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Hilda F. Mulligan, Leigh A. Hale, Lisa Whitehead and G. David Baxter

People with disability are insufficiently physically active for health. This study identified the volume, quality, and findings of research that exposes environmental and personal barriers of physical activity participation for people with neurological conditions. CINAHL, Sport Discus, EMBASE, Medline, and AMED were systematically searched between 1999 and week one 2010 for peer reviewed studies that fit the aim of the review. Identified barriers to physical activity participation were categorized into the World Health Organization’s ICF framework of domains. Of the 2,061 studies uncovered in the search, 29 met inclusion criteria and 28 met quality appraisal. Findings showed that barriers to physical activity participation arise from personal factors that, coupled with lack of motivational support from the environment, challenge perceptions of safety and confidence to exercise.

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Ron E. McBride and Ping Xiang

Three hundred and sixty-one students participating in university physical activity classes completed questionnaires assessing perceived health and self-regulated learning. In addition, 20 students (11 men; 9 women) were interviewed about their reasons for enrolling, participation and goals in the class. Results indicated the students endorsed intrinsic regulation, were autonomous, and the males scored significantly higher on intrinsic regulation and perceived health. Of four regulators, intrinsic regulation predicted student perceived health. The social nature of regulation also cannot be overlooked in providing practicable opportunities and relationships that influence learning in university physical activity classes.

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Christopher Kuenze, Lisa Cadmus-Bertram, Karin Pfieffer, Stephanie Trigsted, Dane Cook, Caroline Lisee and David Bell

Musculoskeletal injury is a primary barrier to participation in physical activity among adults. 1 Anterior cruciate ligament (ACL) rupture is a traumatic musculoskeletal injury that occurs most commonly among young individuals during participation in recreational physical activity or competitive

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David Thivel and Pascale Duché

Although physical activity is primarily considered for its effects on energy expenditure for prevention and treatment of both overweight and obesity, its role in the regulation and control of energy balance seems more complex. Not only does physical activity affect energy expenditure, it also leads to modifications in energy intake and appetite that have been identified in children and that should be considered for weight loss. It also appears that it may not systematically favor increased energy expenditure due to individual differences in compensatory responses. This brief paper summarizes the pediatric evidence regarding those potential compensatory responses to physical activity and suggests that these compensatory responses of increasing physical activity levels may depend on children’s adiposity status.

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Rebecca Reynolds, Santhya and David Menzies

from representative agencies come together to plan, coordinate, and advocate change. 3 Physical activity alliances are important aspects of physical activity public health, 4 but there are not many in existence globally. One ongoing example is the National Coalition for Promoting Physical Activity in

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Genevieve Fridlund Dunton, Donna Spruijt-Metz, Jennifer Wolch, Chih-Ping Chou, Michael Jerrett, Jason Byrne, Susan Weaver and Kim D. Reynolds

Background:

Efforts to increase community levels of physical activity through the development of multiuse urban trails could be strengthened by information about factors predicting trail use. This study examined whether reasons for trail use predict levels of physical activity on urban trails.

Methods:

Adults (N = 335) living within a 1-mile buffer zone of urban trails in Chicago, Dallas, and Los Angeles completed a self-report measure assessing demographics, reason for trail use, and physical activity on the trail. Accelerometers measured total daily moderate-to-vigorous physical activity (MVPA). Environmental features of the urban trail were assessed with the Systematic Pedestrian and Cyclist Environmental Scan for trails measure. Multivariate regression analyses were conducted that accounted for clustering of individuals within trail segments.

Results:

After controlling for demographic and environmental factors and total daily MVPA, reasons for trail use significantly predicted recreational but not transportation activity. Recreational trail activity was greater for participants who reported exercise and health reasons for trail use as compared with other reasons (ie, social interaction, enjoying nature, walking pets) for recreational trail use.

Conclusions:

To increase the use of urban trails, it may be useful to promote the health and exercise benefits of recreational trail use.

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Ronnie Lidor, Uri Miller and Arie Rotstein

In light of the dramatic increase in the older adult population, we analyzed publications on aging and physical activity during the last 3 decades, based on (a) the ratio of the number of publications on aging to the total number of publications and the ratios of (b) the total number of publications on physical activity and aging and (c) the number of such publications in 6 selected journals to the number of publications on physical activity in general. Our findings indicate that few changes have occurred during the last 3 decades with regard to the volume of publication on aging and physical activity. Two conclusions can be reached: (a) The interest of researchers in exercise and sport sciences does not reflect that of society at large concerning older adults, and (b) an in-depth analysis should be conducted to study the periodicals that are published not only in the area of exercise and sport sciences but also in other related areas such as medicine, psychology, and health.

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Gerson Luis de Moraes Ferrari, Luis Carlos Oliveira, Timoteo Leandro Araujo, Victor Matsudo, Tiago V. Barreira, Catrine Tudor-Locke and Peter Katzmarzyk

This study aimed to analyze the independent associations of accelerometer-determined sedentary behavior, physical activity, and steps/day with body composition variables in Brazilian children. 485 children wore accelerometers for 7 days. Variables included time in sedentary behavior and different physical activity intensities (light, moderate, vigorous, or moderate-to-vigorous) and steps/day. Body fat percentage was measured using a bioelectrical impedance scale, and BMI was calculated. Children spent 55.7% of the awake portion of the day in sedentary behavior, 37.6% in light physical activity, 4.6% in moderate physical activity, and 1.9% in vigorous physical activity. Moderate-to-vigorous physical activity and steps/day were negatively associated with body composition (BMI and body fat percentage) variables, independent of sex and sedentary behavior. Beta values were higher for vigorous physical activity than moderate physical activity. Vigorous physical activity was negatively associated with BMI (β-.1425) and body fat percentage (β-.3082; p < .0001). In boys, there were significant negative associations between moderate, vigorous, and moderate-to-vigorous physical activity and steps/day with body composition, and in girls, there was only a negative association with vigorous physical activity, independent of sedentary behavior. Moderate-to-vigorous physical activity and steps/day (in boys), but especially vigorous physical activity (in boys and girls), are associated with body composition, independent of sedentary behavior. Sedentary behavior was not related with any of the body composition variables once adjusted for moderate-to-vigorous physical activity.