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Exercise obesity

Sijie Tan, Cheng Chen, Mingyang Sui, Lunan Xue, Jianxiong Wang
OBJECTIVES: To explore the effects of exercise training on body composition, cardiovascular function, and physical fitness in 5-year-old obese and lean children. METHODS: 42 obese and 62 lean children were randomly allocated into exercise and control groups separately. Body composition, cardiovascular function, and physical fitness were measured at baseline and the end of the intervention. The exercise groups participated in 10 weeks of supervised moderate intensity exercise training (at 50% of heart rate reserve), 50 training sessions in total...
October 21, 2016: Pediatric Exercise Science
Brun Jean-Frédéric, Varlet-Marie Emmanuelle, Fédou Christine, Raynaud de Mauverger Eric
Equations of blood viscosity provide a prediction of the 'optimal' hematocrit' (hct) as the hct resulting in the highest value of the bell-shaped curve of hematocrit/viscosity ratio h/η. We investigated if overweight and obesity have an influence on these parameters. We compared 32 normal weight subjects, 40 overweight (BMI 25-30) and 38 obese subjects. There was no difference in the theoretical curve of h/η. The actual h/η is the same in the 3 groups but is always higher than the theoretical h/η in all groups...
October 15, 2016: Clinical Hemorheology and Microcirculation
Markus Zutt, Hagen Rudolph, Kjell Matthias Kaune, Werner Wosniok, Ulrich Gärtner, Rainer Linke
BACKGROUND: In recent years, cardiac comorbidities in psoriasis patients have increasingly moved into the focus of clinical research. The objective of the present study was to evaluate myocardial scintigraphy as a screening method in patients with psoriasis. PATIENTS AND METHODS: Assessment of various comorbidities in 50 psoriasis patients without clinical symptoms of cardiac disease. Myocardial scintigraphy was employed to detect cardiac risk/exercise-induced ischemia...
October 2016: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
Yaeko Fukushima, Satoshi Kurose, Hiromi Shinno, Ha Cao Thi Thu, Nana Takao, Hiromi Tsutsumi, Takaaki Hasegawa, Toshiaki Nakajima, Yutaka Kimura
BACKGROUND: Irisin is a myokine implicated in lipid and glucose metabolism. The objective of this study is to examine the effect of a body weight reduction on the serum irisin level and physical indicators in obese Japanese patients without diabetes. METHODS: The subjects were 22 patients (male/female, 5/17; age, 46.1±16.0 years; body mass index [BMI], 36.9±5.0 kg/m(2)) who completed a 6-month body weight reduction program at our clinic. The program included diet, exercise therapy and cognitive behavioral therapy...
October 2016: Diabetes & Metabolism Journal
So Young Ock, Kyoung Hwa Ha, Bu Kyung Kim, Hyeon Chang Kim, Jee-Seon Shim, Myung Ha Lee, Young Me Yoon, Dae Jung Kim
BACKGROUND: We evaluated the associations between 25-hydroxyvitamin D (25(OH)D) concentrations in serum and insulin resistance in the healthy Korean population. METHODS: We conducted this cross-sectional analysis in 1,807 healthy Korean people (628 men and 1,179 women) aged 30 to 64 years in the Cardiovascular and Metabolic Disease Etiologic Research Center study. All participants were assessed for 25(OH)D, fasting glucose, and insulin levels, and completed a health examination and lifestyle questionnaire according to standard procedures...
October 2016: Diabetes & Metabolism Journal
Vanessa Di Cataldo, Alain Géloën, Jean-Baptiste Langlois, Fabien Chauveau, Benoît Thézé, Violaine Hubert, Marlène Wiart, Erica N Chirico, Jennifer Rieusset, Hubert Vidal, Vincent Pialoux, Emmanuelle Canet-Soulas
Aim: Advanced atherosclerosis increases inflammation and stroke risk in the cerebral vasculature. Exercise is known to improve cardio-metabolic profiles when associated with a caloric restriction, but it remains debated whether it is still beneficial without the dietary control. The aim of this study was to determine both the peripheral and central effects of exercise training combined with a cholesterol-rich diet given ad libitum in old ApoE(-/-) mice. Methods: Forty-five-weeks old obese ApoE(-/-) mice fed with a high cholesterol diet ad libitum were divided into Exercise-trained (EX; running wheel free access) and Sedentary (SED) groups...
2016: Frontiers in Physiology
Justin D La Favor, Gabriel S Dubis, Huimin Yan, Joseph D White, Margaret A M Nelson, Ethan J Anderson, Robert C Hickner
OBJECTIVE: The objectives of this study were to determine the impact of in vivo reactive oxygen species (ROS) on microvascular endothelial function in obese human subjects and the efficacy of an aerobic exercise intervention on alleviating obesity-associated dysfunctionality. APPROACH AND RESULTS: Young, sedentary men and women were divided into lean (body mass index 18-25; n=14), intermediate (body mass index 28-32.5; n=13), and obese (body mass index 33-40; n=15) groups...
October 20, 2016: Arteriosclerosis, Thrombosis, and Vascular Biology
Baukje Miedema, Andrea Bowes, Ryan Hamilton, Stacey Reading
PURPOSE: This study reports on the effect of a group-based nutrition and physical activity intervention program on nutrition knowledge and eating habits in a cohort of people with obesity. METHODS: A quasi-experimental design with pre- and post-test measures. The intervention consisted of physical activity led by certified exercise physiologists and a nutritional education component led by registered dietitians over a 6-month period followed by 6 months of self-management...
October 20, 2016: Canadian Journal of Dietetic Practice and Research
Nastasia Marinus, Liene Bervoets, Guy Massa, Kenneth Verboven, An Stevens, Tim Takken, Dominique Hansen
BACKGROUND: Cardiopulmonary exercise testing is advised ahead of exercise intervention in obese adolescents to assess medical safety of exercise and physical fitness. Optimal validity and reliability of test results are required to identify maximal exercise effort. As fat oxidation during exercise is disturbed in obese individuals, it remains an unresolved methodological issue whether the respiratory gas exchange ratio (RER) is a valid marker for maximal effort during exercise testing in this population...
October 20, 2016: Journal of Sports Medicine and Physical Fitness
Hui-Jie Zhang, Ling-Ling Pan, Zhi-Min Ma, Zheng Chen, Zhu-Feng Huang, Qian Sun, Yan Lu, Cheng-Kun Han, Ming-Zhu Lin, Xue-Jun Li, Shu-Yu Yang, Xiao-Ying Li
Exercise training can reduce hepatic fat accumulation and cardiovascular risk among patients with nonalcoholic fatty liver disease (NAFLD), but how long these benefits extend beyond the period of active intervention is unclear. Intrahepatic triglyceride (IHTG) content measured by proton magnetic resonance spectroscopy, and metabolic risk factors were assessed among 220 obese subjects with NAFLD who were randomly assigned to vigorous-moderate exercise, moderate exercise, or control over the subsequent 1 year after 12-month exercise intervention...
October 19, 2016: Diabetes, Obesity & Metabolism
Jerrold J Heindel, Bruce Blumberg, Mathew Cave, Ronit Machtinger, Alberto Mantovani, Michelle A Mendez, Angel Nadal, Paola Palanza, Giancarlo Panzica, Robert Sargis, Laura N Vandenberg, Frederick Vom Saal
The recent epidemics of metabolic diseases, obesity, type 2 diabetes(T2D), liver lipid disorders and metabolic syndrome have largely been attributed to genetic background and changes in diet, exercise and aging. However, there is now considerable evidence that other environmental factors may contribute to the rapid increase in the incidence of these metabolic diseases. This review will examine changes to the incidence of obesity, T2D and non-alcoholic fatty liver disease (NAFLD), the contribution of genetics to these disorders and describe the role of the endocrine system in these metabolic disorders...
October 16, 2016: Reproductive Toxicology
Sintip Pattanakuhar, Anchalee Pongchaidecha, Nipon Chattipakorn, Siriporn C Chattipakorn
Skeletal muscles play important roles in metabolism, energy expenditure, physical strength, and locomotive activity. Skeletal muscle fibre types in the body are heterogeneous. They can be classified as oxidative types and glycolytic types with oxidative-type are fatigue-resistant and use oxidative metabolism, while fibres with glycolytic-type are fatigue-sensitive and prefer glycolytic metabolism. Several studies demonstrated that an obese condition with abnormal metabolic parameters has been negatively correlated with the distribution of oxidative-type skeletal muscle fibres, but positively associated with that of glycolytic-type muscle fibres...
October 15, 2016: Obesity Research & Clinical Practice
Dawn P Gill, Wendy Blunt, Ashleigh De Cruz, Brendan Riggin, Kate Hunt, Guangyong Zou, Shannon Sibbald, Karen Danylchuk, Merrick Zwarenstein, Cindy M Gray, Sally Wyke, Christopher Bunn, Robert J Petrella
BACKGROUND: Effective approaches that engage men in weight loss and lifestyle change are important because of worldwide increases, including in Canada, in obesity and chronic diseases. Football Fans in Training (FFIT), developed in Scotland, successfully tackled these problems by engaging overweight/obese male football fans in sustained weight loss and positive health behaviours, through program deliveries at professional football stadia. METHODS: Aims: 1) Adapt FFIT to hockey within the Canadian context and integrate with HealtheSteps™ (evidence-based lifestyle program) to develop Hockey Fans in Training (Hockey FIT); 2) Explore potential for Hockey FIT to help overweight/obese men lose weight and improve other outcomes by 12 weeks, and retain these improvements to 12 months; 3) Evaluate feasibility of recruiting and retaining overweight/obese men; 4) Evaluate acceptability of Hockey FIT; and 5) Conduct program optimization via a process evaluation...
October 19, 2016: BMC Public Health
Chu-Shiu Li, June Han Lee, Chwen-Chi Liu, Yan-Lan Chan, Christopher Wen, Mu-Lin Chiu, Min Kuang Tsai, Shan Pou Tsai, Jackson Pui Man Wai, Chwen Keng Tsao, Xifeng Wu, Chi Pang Wen
Widowhood has been increasingly encountered because of increasing longevity of women, often characterized by social stigmatization and poor physical and mental health. However, applied research to overcome its adversity has been quite limited. The goal of this study is to explore the role of physical activity in improving the health of widows.A cohort of 446,582 adults in Taiwan who successively participated in a comprehensive medical screening program starting in 1994, including 232,788 women, was followed up for mortality until 2008...
August 2016: Medicine (Baltimore)
Jacinthe Leclerc, Marie Arsenault, Jean-Pierre Després, Patrice Brassard, Valérie Gaudreault, Jean Bergeron, Natalie Alméras, Angelo Tremblay, Audrey Auclair, Marie-Kristelle Ross, Stéphanie Denault-Bissonnette, Paul Poirier
BACKGROUND: Abdominal obesity and presence of the metabolic syndrome (MetS) are associated with cardiac abnormalities. Among those, left ventricular diastolic dysfunction (LVDD) is the most frequently encountered in clinical practice. Few studies evaluated the reversibility of LVDD by an approach promoting lifestyle modifications in abdominally obese subjects with MetS. METHODS: We assessed the impact of a 1-year lifestyle modification program combining nutritional and physical activity counseling on LVDD and metabolic profile of abdominally obese men with MetS...
October 18, 2016: Metabolic Syndrome and related Disorders
Vendela Roos, Sölve Elmståhl, Erik Ingelsson, Johan Sundström, Johan Ärnlöv, Lars Lind
BACKGROUND: Obesity and its associated metabolic complications continue to increase worldwide. We investigated the development of metabolic syndrome (MetS) during aging in relation to body mass index (BMI) and exercise habits. We assigned special emphasis to the metabolic stability in individuals with obesity, but without MetS, a condition often referred to as metabolically healthy obesity. MATERIALS AND METHODS: Cross-sectional analysis was carried out in a sample of 19,129 men and women aged 45-75 years from the EpiHealth study...
October 18, 2016: Metabolic Syndrome and related Disorders
David John Webb
Treatment-resistant hypertension (TRH) is defined as the failure to achieve an office BP target of <140/90 mmHg (<130/80 mmHg in patients with chronic kidney disease (CKD) or diabetes) in patients with hypertension (HT), despite adherence to at least 3 antihypertensive medications at optimal tolerated doses, ideally including a diuretic (Calhoun et al., Circulation 2008). TRH identifies patients with hard-to-treat HT, who might benefit from specialist investigation and treatment. Although some studies put the prevalence of TRH as >10%, these levels may be inflated by white-coat hypertension and poor adherence...
September 2016: Journal of Hypertension
Bhupinder Singh, Huy Vo, Shelby L Francis, Kathleen F Janz, John H Yack
PURPOSE: This study assessed the biomechanical gait changes in obese and normal weight female adult subjects following a commonly recommended 30-minute walking session. Hip and knee adduction and extensor moments, which are the primary modulators of frontal and sagittal plane load distribution were hypothesized to increase in obese females following a 30-minute walking period, resulting in more stress across the hip and knee joint. METHODS: Ten obese (37.7 ± 4...
October 6, 2016: Medicine and Science in Sports and Exercise
Effiong Ekong Akpan, Udeme Ekpenyong Ekrikpo, Aniema Isaac Assam Udo
The prevalence of chronic kidney disease (CKD) is increasing the world over, and it is now regarded as a public health problem. The prevalence of CKD in Nigeria remained largely unknown with hospital-based data of 2-8%. However, emerging community studies show a prevalence of 10-26.8%. This study was conducted during the 2013 world kidney day activities in Uyo, Akwa Ibom, State of Nigeria, with an estimated population of 554,906 people. Sensitizations of members of the public were ensured through the media...
September 2016: Saudi Journal of Kidney Diseases and Transplantation
Ligia J Dominguez, Mario Barbagallo
PURPOSE OF REVIEW: Physical and cognitive frailty are interrelated and synergistic syndromes more frequently seen in old age, which represent intermediate stages between aging successfully and disability. Poor nutrition is a fundamental determinant for both conditions, while various dietary components are proposed to prevent and/or improve them. This updated review discusses the possible influence of nutritional factors on cognitive frailty and its potential mediators. RECENT FINDINGS: Oxidative stress, low-grade systemic inflammation, neuroinflammation, and altered autophagy, all associated with obesity, metabolic syndrome and insulin resistance, are proposed mechanisms to explain the influence of nutrition on cognitive health...
September 28, 2016: Current Opinion in Clinical Nutrition and Metabolic Care
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