The role of physical activity in producing and maintaining weight loss

Catenacci, Victoria A.; Wyatt, Holly R.

doi:10.1038/ncpendmet0554

Cited by 223 publications

(173 citation statements)

References 77 publications

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“…These findings are consistent with previous evidence from crosssectional, longitudinal and experimental studies examining associations between weight gain and physical activity, 41,42 sitting 3 and soft drink consumption 43 in the general population, but extend these to a group at high risk of overweight and obesity. Given the poor health outcomes associated with overweight and obesity, our findings and those of previous studies suggest that increasing leisure-time physical activity and reducing time spent sitting and soft drink consumption should be the key messages included in future public health campaigns aimed at women with children living in socioeconomically disadvantaged neighbourhoods.…”

Section: Discussionsupporting

confidence: 91%

Sociodemographic and behavioural correlates of weight status among women with children living in socioeconomically disadvantaged neighbourhoods

et al. 2009

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Objective: To investigate sociodemographic and behavioural characteristics associated with weight status among women with children living in socioeconomically disadvantaged neighbourhoods. Methods and procedures: A total of 1680 women aged 18-46 years, living in socioeconomically disadvantaged neighbourhoods with dependent children (aged 0-18 years), provided self-report data on height and weight and a range of sociodemographic and behavioural (for example, dietary intake, physical activity and time spent sitting) characteristics. Results: Half of the women were classified as having a healthy weight (body mass index ¼ 18.5-25). Bivariable ordinal logistic regression analyses indicated that a healthy weight status was associated with a range of sociodemographic and behavioural characteristics. In a multivariable model, a healthy weight status among women was associated with being younger and unmarried, speaking a language other than English at home, having a medium or high level of education, and a partner with a high level of education, having a high household income, spending more time engaged in leisure-time physical activity and less time spent sitting, and having a lower consumption of soft drink. Discussion: The present findings highlight that a considerable proportion of women with children living in disadvantaged neighbourhoods manage to maintain a healthy weight. Acknowledging the cross-sectional nature of this study, strategies aimed at helping women with children in socioeconomically disadvantaged areas to maintain their weight should focus on increasing physical activity, and reducing sitting time and soft drink consumption.

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Section: Discussionsupporting

confidence: 91%

Sociodemographic and behavioural correlates of weight status among women with children living in socioeconomically disadvantaged neighbourhoods

et al. 2009

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“…Exercise is effective at preventing weight gain and maintaining a reduced body weight following weight loss however in the absence of a calorie restricted diet the ability of exercise to induce weight loss is less certain (Catenacci & Wyatt, 2007;Donnelly et al, 2009;Seagle et al, 2009). A possible explanation for this is that exercise may elicit compensatory increases in appetite and energy intake, responses that would negate the ability to induce a sustained energy deficit (King et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

Influence of prolonged treadmill running on appetite, energy intake and circulating concentrations of acylated ghrelin

et al. 2010

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• NOTICE: this is the author's version of a work that was accepted for publication in the journal, Appetite. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. Abstract: The effects of prolonged treadmill running on appetite, energy intake and acylated ghrelin (an appetite stimulating hormone) were examined in 9 healthy males over the course of 24 h. Participants completed 2 experimental trials (exercise and control) in a randomised -crossover fashion. In the exercise trial participants ran for 90 min at 68.8 ± 0.8% of maximum oxygen uptake followed by 8.5 h of rest. Participants returned to the laboratory on the following morning to provide a fasting blood sample and ratings of appetite (24 h measurement). No exercise was performed on the control trial. Appetite was measured within the laboratory using visual analogue scales and energy intake was assessed from ad libitum buffet meals. Acylated ghrelin was determined from plasma using an ELISA assay. Exercise transiently suppressed appetite and acylated ghrelin but each remained no different from control values in the hours afterwards. Furthermore, despite participants expending 5324 kJ during exercise there was no compensatory increase in energy intake (24 h energy intake; control 17191 kJ, exercise 17606 kJ). These findings suggest that large energy deficits induced by exercise do not lead to acute compensatory responses in appetite, energy intake or acylated ghrelin.Professor H.R Bertoud Louisiana State University Baton Rouge LA USA Dear Professor Berthold, Thank you for inviting us to re-submit our paper to be considered for publication in Appetite. We have carefully considered the comments from the reviewers and have formulated responses to the points raised. Our responses, and the necessary changes (highlighted in yellow) are included within the revised document. We thank you once more for considering our manuscript and we look forward to hearing from you in due course. We thank each reviewers for reading our paper and for their constructive comments. We feel that we can adequately address the issues raised by each reviewer therefore, in an effort to do so, below we have listed the comments from each reviewer followed by our responses. Reviewer # 1 comment 1Studies on exercise and compensation in the short term have already taken place and have shown no compensation in energy intake once REI is calculated; therefore what is the rationale for undertaking this study, and for the particular hypothesis? Response to comment of the reviewerReviewer #1 is quite right, studies to date have shown no compensation in energy intake after accounting for relative energy intake (REI). However, previous studies have not induced such a large energy deficit during a single bout of exercise. Moreover, previous studies have not examined appetite and energy intak...

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“…17 Epidemiologic, cross-sectional, and prospective correlation studies suggest an essential role for physical activity in weight-loss maintenance, and post hoc analysis of prospective trials shows a clear dose-response relationship between physical activity and weight maintenance. 16 Bariatric surgery appears to be associated with greater maintenance of weight loss than medical interventions. 29 …”

Section: Weight Maintenancementioning

confidence: 99%

“…19 However, the high levels of exercise required to achieve weight loss due to energy deficit similar to that produced by caloric restriction will be difficult for overweight or obese adults to achieve and sustain. 16,17 For adults who are not able or willing to exercise continuously, the Singapore CPG 17 The CPG also provides information on caloric expenditure per 30 minutes of gym activities, sports, occupational activities and housework, which are useful for comparison with the food charts.…”

Section: Weight Managementmentioning

confidence: 99%

“…Moderate-intensity physical activity for 30 minutes, 3 to 5 days per week has been found to reduce cardiovascular disease and overall mortality, but has been unable to induce significant weight loss without caloric restriction. 16,17 The CPG recommends starting low-to moderate-intensity physical activity for 30 to 45 minutes, 3 to 5 days per week (150 min/week); then gradually increasing the intensity, duration and frequency to 45 to 60 minutes on most days or every day (200-300 minutes/week) to prevent weight gain, based on the 2001 American College of Medicine (ACSM) Position Stand on exercise-based weight-loss strategies in adults. 18 The 2009 update of the ACSM statement recommends further increase in physical activity for prevention of weight gain (150 to 250 minutes/week), for weight loss (> 250 minutes/week), and for prevention of weight regain (> 250 minutes/week), based on the findings of the United States National Weight Control Registry.…”

Section: Weight Managementmentioning

confidence: 99%

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