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Cardiorespiratory fitness

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https://www.readbyqxmd.com/read/29053410/the-effect-of-moderate-intensity-exercise-on-nightly-variability-in-objectively-measured-sleep-parameters-among-older-women
#1
Charity B Breneman, Christopher E Kline, Delia S West, Xuemei Sui, Ryan R Porter, Kimberly P Bowyer, Sabra Custer, Xuewen Wang
OBJECTIVE/BACKGROUND: Exercise training has been demonstrated to beneficially influence mean-level measures of sleep; however, few studies have examined the impact of an exercise intervention on night-to-night variability in sleep. This study investigated whether four months of moderate-intensity exercise impacted night-to-night variability in sleep among older women. METHODS: Participants (n = 49) were randomized to one of two moderate-intensity walking programs with different doses of energy expenditure: low-dose (n = 23: 8 kcal/kg of body weight per week) or high-dose (n = 26: 14 kcal/kg of body weight per week)...
October 20, 2017: Behavioral Sleep Medicine
https://www.readbyqxmd.com/read/29051274/effect-of-morphine-on-breathlessness-and-exercise-endurance-in-advanced-copd-a%C3%A2-randomised-crossover-trial
#2
Sara J Abdallah, Courtney Wilkinson-Maitland, Nathalie Saad, Pei Zhi Li, Benjamin M Smith, Jean Bourbeau, Dennis Jensen
The objective of the present study was to evaluate the effect of morphine on exertional breathlessness and exercise endurance in advanced chronic obstructive pulmonary disease (COPD).In a randomised crossover trial, we compared the acute effect of immediate-release oral morphine versus placebo on physiological and perceptual responses during constant-load cardiopulmonary cycle exercise testing (CPET) in 20 adults with advanced COPD and chronic breathlessness syndrome.Compared with placebo, morphine reduced exertional breathlessness at isotime by 1...
October 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29046978/blood-pressure-response-to-exercise-and-cardiovascular-disease
#3
REVIEW
Martin G Schultz, Andre La Gerche, James E Sharman
PURPOSE OF REVIEW: This review aimed to provide a clinical update on exercise blood pressure (BP) and its relationship to cardiovascular disease (CVD), outlining key determinants of abnormal exercise BP responses. We also highlight current evidence gaps that need addressing in order to optimise the relevance of exercise BP as clinical CVD risk factor. RECENT FINDINGS: Abnormal exercise BP manifests as either exercise hypotension (low BP response) or as exaggerated exercise BP (high BP response)...
October 18, 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/29040226/propranolol-and-oxandrolone-therapy-accelerated-muscle-recovery-in-burned-children
#4
Tony Chao, Craig Porter, David N Herndon, Aikaterina Siopi, Henry Ideker, Ronald P Mlcak, Labros S Sidossis, Oscar E Suman
INTRODUCTION: Severe burns result in prolonged hypermetabolism and skeletal muscle catabolism. Rehabilitative exercise training (RET) programs improved muscle mass and strength in severely burned children. The combination of RET with β-blockade or testosterone analogues showed improved exercise-induced benefits on body composition and muscle function. However, the effect of RET combined with multiple drug therapy on muscle mass, strength, cardiorespiratory fitness and protein turnover are unknown...
October 16, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29039775/physiological-and-perceptual-responses-to-nordic-walking-in-a-natural-mountain-environment
#5
Alessandro Grainer, Livio Zerbini, Carlo Reggiani, Giuseppe Marcolin, James Steele, Gaspare Pavei, Antonio Paoli
Background: Interest around Nordic Walking (NW) has increased in recent years. However, direct comparisons of NW with normal walking (W), particularly in ecologically valid environments is lacking. The aim of our study was to compare NW and W, over long distances in a natural mountain environment. Methods: Twenty one subjects (13 male/8 female, aged 41 ± 12 years, body mass index BMI 24.1 ± 3.7), walked three distinct uphill paths (length 2.2/3.4/7 km) with (NW) or without (W) walking poles over two separate days...
October 17, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29037646/impact-of-physical-growth-body-adiposity-and-lifestyle-on-muscular-strength-and-cardiorespiratory-fitness-of-adolescents
#6
Diego Augusto Santos Silva, Priscila Custódio Martins
OBJECTIVE: To investigate the impact of physical growth, body adiposity and lifestyle on cardiorespiratory fitness and muscle strength of pubescent and post-pubescent adolescents. METHODS: Cross-sectional study with 1132 adolescents (14-19 years) in Brazil. Aerobic fitness was measured using the modified Canadian Aerobic Fitness Test. Muscle strength was assessed using manual dynamometer. Maturational stages were defined through the Tanner criteria. RESULTS: Boys at pubertal maturation stage showed higher VO2max values than those at the post-pubertal stage when the influence of body adiposity and lifestyle was disregarded...
October 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29036032/a-physiological-profile-of-ovarian-cancer-survivors-to-inform-tailored-exercise-interventions-and-the-development-of-exercise-oncology-guidelines
#7
Christelle Schofield, Robert U Newton, Daniel A Galvão, Paul A Cohen, Carolyn J Peddle-McIntyre
OBJECTIVE: Physical activity has become increasingly important in supportive cancer care. However, physical activity and exercise guidelines for ovarian cancer survivors remain generic. The aim of this narrative review is to summarize existing data regarding the physiological characteristics (treatment-related adverse effects, concurrent comorbidities, body weight and composition, physical fitness and function, and physical activity behavior) of ovarian cancer survivors to further understanding of their cancer-specific physical activity and exercise needs...
September 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29033281/sedentary-behaviour-physical-activity-cardiorespiratory-fitness-and-cardiometabolic-risk-in-psychosis-the-psychiactive-project
#8
Javier Bueno-Antequera, Miguel Ángel Oviedo-Caro, Diego Munguía-Izquierdo
This study aimed to explore the possible independent associations of sedentary behaviour (SB), physical activity (PA), and cardiorespiratory fitness (CRF) with clustered (CCRS) and individual cardiometabolic risk (waist circumference [waist], systolic/diastolic blood pressure, triglycerides, high-density lipoprotein-cholesterol, and fasting blood glucose) in patients with psychosis. In 43 outpatients with psychosis (mean age±SD: 42.3±8.5years, 86% men), SB and light, moderate-to-vigorous, and total PA were measured with the SenseWear Pro3 Armband, and CRF with the 6-minute walking test...
October 12, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/29032385/exercise-training-response-heterogeneity-physiological-and-molecular-insights
#9
REVIEW
Lauren M Sparks
The overall beneficial effects of exercise are well studied, but why some people do not respond favourably to exercise is less understood. The National Institutes of Health Common Fund has recently launched the large-scale discovery project 'Molecular Transducers of Physical Activity in Humans' to examine the physiological and molecular (i.e. genetic, epigenetic, lipidomic, metabolomic, proteomic, etc.) responses to exercise training. A nationwide, multicentre clinical trial such as this one also provides a unique opportunity to robustly investigate the non-response to exercise in thousands of individuals that have undergone supervised aerobic- and resistance-based exercise training interventions...
October 14, 2017: Diabetologia
https://www.readbyqxmd.com/read/29032365/how-does-academic-achievement-relate-to-cardiorespiratory-fitness-self-reported-physical-activity-and-objectively-reported-physical-activity-a-systematic-review-in-children-and-adolescents-aged-6-18-years
#10
REVIEW
Adilson Marques, Diana A Santos, Charles H Hillman, Luís B Sardinha
OBJECTIVE: This report aimed to systematically review the evidence for a differential association between objective and self-reported physical activity and cardiorespiratory fitness on academic achievement. DESIGN: Systematic review. DATA SOURCES: Studies were identified from searches in Embase, Education Resources Information Center, PubMed, PsycINFO, SPORTdiscus and Web of Science databases from January 2000 to December 2016. ELIGIBILITY CRITERIA FOR SELECTING STUDIES: Eligibility criteria included cross-sectional, longitudinal and interventional study designs...
October 14, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29031643/physical-fitness-and-psychological-health-in-overweight-obese-children-a-cross-sectional-study-from-the-activebrains-project
#11
M Rodriguez-Ayllon, C Cadenas-Sanchez, I Esteban-Cornejo, J H Migueles, J Mora-Gonzalez, P Henriksson, M Martín-Matillas, A Mena-Molina, P Molina-García, F Estévez-López, G M Enriquez, J C Perales, J R Ruiz, A Catena, F B Ortega
OBJECTIVES: To examine the associations of physical fitness (i.e. cardiorespiratory fitness, muscular strength, and speed/agility) with psychological distress and psychological well-being in overweight/obese pre-adolescent children. DESIGN: 110 overweight/obese children (10.0±1.1years old, 61 boys) from the ActiveBrains project (http://profith.ugr.es/activebrains) participated in this cross-sectional study. METHODS: Physical fitness was evaluated by the ALPHA battery test...
October 4, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29029556/wheelchair-shuttle-test-for-assessing-aerobic-fitness-in-youth-with-spina-bifida-validity-and-reliability
#12
Manon A T Bloemen, Janke F de Groot, Frank J G Backx, Joyce Benner, Cas L J J Kruitwagen, Tim Takken
Background: Testing aerobic fitness in youth is important because of expected relationships with health. Objective: The purpose of the study was to estimate the validity and reliability of the Shuttle Ride Test in youth who have spina bifida and use a wheelchair for mobility and sport. Design: Ths study is a validity and reliability study. Methods: The Shuttle Ride Test, Graded Wheelchair Propulsion Test, and skill-related fitness tests were administered to 33 participants for the validity study (age = 14...
October 1, 2017: Physical Therapy
https://www.readbyqxmd.com/read/29029283/trajectories-of-cardiorespiratory-fitness-in-patients-with-juvenile-dermatomyositis
#13
Kiki J Blom, Tim Takken, Barbara C H Huijgen, Judith Wienke, Annet van Royen-Kerkhof, Marco van Brussel
Objectives: Previous research demonstrated decreased cardiorespiratory fitness (CRF) in patients with JDM during active disease and remission. However, longitudinal data regarding trajectories of CRF are currently lacking. The objective of this study was to determine trajectories of CRF in patients with both monocyclic and chronic JDM, and to identify potential predictors of these trajectories. Methods: Thirty-six patients with JDM [median age (interquartile range) at diagnosis: 8...
September 27, 2017: Rheumatology
https://www.readbyqxmd.com/read/29029009/the-effect-of-physical-activity-and-cardiorespiratory-fitness-on-all-cause-mortality-in-hong-kong-chinese-older-people
#14
Zhihui Lu, Jean Woo, Timothy Kwok
Background: It is unclear whether physical activity (PA) could predict all-cause mortality independently of cardiorespiratory fitness, and there are relatively few studies evaluating the combined effect of PA and cardiorespiratory fitness on mortality. Methods: We invited 1,242 Chinese older adults aged 69 to 94 years from the MrOs and MsOs cohort (Hong Kong) study for a 7-year follow-up. PA was measured by the Physical Activity Scale of the Elderly (PASE). Cardiorespiratory fitness, expressed as maximal oxygen uptake (VO2max), was assessed by performing symptom-limited maximal exercise testing on an electrically braked bicycle ergometer and 6-meter walk test...
September 19, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29028824/the-association-between-serum-brain-derived-neurotrophic-factor-and-a-cluster-of-cardiovascular-risk-factors-in-adolescents-the-champs-study-dk
#15
Natascha Holbæk Pedersen, Jakob Tarp, Lars Bo Andersen, Anne Kær Gejl, Tao Huang, Lone Peijs, Anna Bugge
BACKGROUND AND OBJECTIVE: Cardiovascular disease and type 2 diabetes pose a global health burden. Therefore, clarifying the pathology of these risk factors is essential. Previous studies have found positive and negative associations between one or more cardiovascular risk factors and brain-derived neurotrophic factor (BDNF) probably due to diverse methodological approaches when analysing peripheral BDNF levels. Moreover, only a few studies have been performed in youth populations. Consequently, the main objective of this study was to examine the association between serum BDNF and a composite z-score consisting of six cardiovascular risk factors...
2017: PloS One
https://www.readbyqxmd.com/read/29025560/obesity-and-atrial-fibrillation-prevalence-pathogenesis-and-prognosis-effects-of-weight-loss-and-exercise
#16
REVIEW
Carl J Lavie, Ambarish Pandey, Dennis H Lau, Martin A Alpert, Prashanthan Sanders
Both obesity and atrial fibrillation (AF) are increasing in epidemic proportions, and both increase the prevalence of cardiovascular disease events. Obesity has adverse effects on cardiovascular hemodynamics and cardiac structure and function, and increases the prevalence of AF, partly related to electroanatomic remodeling in obese patients. However, numerous studies, including in AF, have demonstrated an obesity paradox, where overweight and obese patients with these disorders have a better prognosis than do leaner patients with the same degree of severity of cardiovascular disease/AF...
October 17, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29024824/body-mass-index-and-fitness-in-high-functioning-children-and-adolescents-with-cerebral-palsy-what-happened-over-a-decade
#17
Maremka Zwinkels, Tim Takken, Thijs Ruyten, Anne Visser-Meily, Olaf Verschuren
BACKGROUND: In recent decades, improving fitness has become an important goal in rehabilitation medicine in children and adolescents with cerebral palsy (CP). AIMS: To compare body mass index (BMI), performance-related fitness, and cardiorespiratory fitness of children with CP measured in 2014 with a comparable sample from 2004. METHODS AND PROCEDURES: In total, 25 high-functioning children with CP (i.e., GMFCS I-II) measured in 2004 (13 boys; mean age 13...
October 9, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/29016908/the-effect-of-age-on-fitness-among-female-firefighters
#18
L K Kirlin, J F Nichols, K Rusk, R A Parker, M J Rauh
Background: The physical demands of firefighting require both cardiovascular and muscular fitness, which both decline with age. While much has been published on age-related changes among male firefighters (FFs), data on female FFs are lacking. Aims: To describe cardiorespiratory fitness (CRF) and muscular fitness in a sample of female career FFs ranging in age from 25 to 60 years and determine whether ageing affects their achievement of the current recommended professional CRF standards of 12 metabolic equivalents (METs)...
September 1, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/29016823/the-effect-of-cardiorespiratory-fitness-assessment-in-preventive-health-checks-a-randomised-controlled-trial
#19
Kirsten Høj, Mette Vinther Skriver, Helle Terkildsen Maindal, Bo Christensen, Annelli Sandbæk
Background: Poor cardiorespiratory fitness (CRF) increases morbidity and mortality risks. Routine CRF assessment in clinical practice has thus been advocated, but little is known about the effect. In this study, we investigated the effect of CRF assessment on CRF in a preventive health check programme. Methods: We used a randomised design, in which we invited 4153 middle-aged adults and included 2201 participants who received a preventive health check with CRF assessment (intervention) or without CRF assessment (control)...
July 18, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/29016251/addressing-the-problem-of-obesity-and-associated-cardiometabolic-risk-in-black-south-african-women-time-for-action
#20
Julia H Goedecke
The PhD thesis of Gradidge, entitled 'Factors associated with obesity and metabolic syndrome in an ageing cohort of black women living in Soweto, Johannesburg (Study of Women in and Entering Endocrine Transition [SWEET])', attempts to understand the determinants of obesity and metabolic syndrome (MetS) in a population of urban-dwelling black South African women. A conceptual framework is presented, which positions obesity as the central risk factor for MetS, and includes the possible influence of socioeconomic status, lifestyle behaviours and body size perceptions, as key determinants of obesity...
2017: Global Health Action
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