Browsing Centro de Investigación en Fisiología de Ejercicio (CIFE) by Title
Now showing items 1-20 of 58
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2018 Chilean Physical Activity Report Card for Children and Adolescents: Full Report and International Comparisons
(Chile. Universidad Mayor, 2020)Background: The study summarizes the findings of the 2018 Chilean Report Card (RC) on Physical Activity (PA) for Children and Adolescents and compares the results with the first Chilean RC and with other countries from the ... -
Accelerometry-based variables in professional soccer players: comparisons between periods of the season and playing positions
(TERMEDIA PUBLISHING HOUSE LTD., 2020)The aim of this study was to provide reference data of variation in external training loads for weekly periods within the annual season. Specifically, we aimed to compare the weekly acute load, monotony, and training strain ... -
Active transportation to school for children and adolescents from Brazil: a systematic review
(Chile. Universidad Mayor, 2018)The aim of this study was to describe the use of active transportation to school (ATS) for Brazilian children and adolescents through a systematic review. This review was carried out from February to March of 2018 by using ... -
Acute effects of high-intensity interval training session and endurance exercise on pulmonary function and cardiorespiratory coupling
(Chile. Universidad Mayor, 2020)The aim of this study was to determine the acute effects of high-intensity interval training (HIIT) exercise and endurance exercise (EE) on pulmonary function, sympathetic/parasympathetic balance, and cardiorespiratory ... -
Anthropometry, dietary intake, physical activity and sitting time patterns in adolescents aged 15-17 years: an international comparison in eight Latin American countries
(BioMed Central Ltd., 2020-01)Background: Although there is high prevalence of obesity and other cardiovascular risk factors among Latin American adolescents, there is limited evidence on dietary intake and physical activity (PA) patterns in this ... -
Asociación entre el polimorfismo rs9939609 del gen FTO y marcadores de adiposidad en población infantil chilena
(Chile. Universidad Mayor, 2020)Introducción: La obesidad es una enfermedad inflamatoria donde la genética determina cierto nivel de riesgo. Aun cuando existen estudios que reportan asociación entre polimorfismos de FTO (fat-mass associated gene) y ... -
Association between Different Modes of Travelling and Adiposity in Chilean Population: Findings from the Chilean National Health Survey 2016-2017
(MDPI Multidisciplinary Digital Publishing Institute, 2020-05)Background: Active travel has been suggested as a feasible way of increasing physical activity levels. Although international studies have demonstrated its effect over different health outcomes and adiposity, there is still ... -
Association between Walking Pace and Diabetes: Findings from the Chilean National Health Survey 2016-2017
(MDPI Multidisciplinary Digital Publishing Institute, 2020-08)Background: Walking pace is a well-known indicator of physical capability, but it is also a strong predictor of type 2 diabetes (T2D). However, there is a lack of evidence on the association between walking pace and T2D, ... -
Association Between Walking Pace and Stroke Incidence Findings From the UK Biobank Prospective Cohort Study
(Lippincott Williams and Wilkins Ltd., 2020-05)Background and Purpose- Stroke incidence in younger and middle-aged people is growing. Despite this, its associations in this subset of the stroke population are unknown, and prevention strategies are not tailored to meet ... -
Association of injury related hospital admissions with commuting by bicycle in the UK: prospective population based study
(BMJ Publishing Group, 2020-03)OBJECTIVE: To determine whether bicycle commuting is associated with risk of injury. DESIGN: Prospective population based study. SETTING: UK Biobank. PARTICIPANTS: 230390 commuters (52.1% women; mean age 52.4 years) recruited ... -
Associations of fat and carbohydrate intake with cardiovascular disease and mortality: prospective cohort study of UK Biobank participants
(BMJ Publishing Group, 2020-03)Objective - To investigate the association of macronutrient intake with all cause mortality and cardiovascular disease (CVD), and the implications for dietary advice. Design - Prospective population based study. Setting - ... -
Baroreflex Modulation During Acute High-Altitude Exposure in Rats
(Frontiers Media, 2020)Baroreflex (BR) control is critically dependent of sympathetic and parasympathetic modulation. It has been documented that during acute hypobaric hypoxia there is a BR control impairment, however, the effect of a natural ... -
Biomarkers Profile of People With Sarcopenia: A Cross-sectional Analysis From UK Biobank
(Elsevier Inc., 2020-12)Objective: This study aimed to characterize the biomarker profile of sarcopenic vs nonsarcopenic men and women, using the current European Working Group on Sarcopenia in Older People (EWGSOP2) definition in the UK Biobank ... -
Cancer cases and deaths attributable to lifestyle risk factors in Chile
(Univ Mayor, Ctr Invest Fisiol Ejercicio CIFE, Chile, 2020-07)Background To identify modifiable risk factors that contribute to cancer holds important public health relevance for setting up prevention strategies. Therefore, the aim of this study was to estimate the proportion of ... -
Cardiac remodeling and arrhythmogenesis are ameliorated by administration of Cx43 mimetic peptide Gap27 in heart failure rats
(Springer Nature, 2020)Alterations in connexins and specifically in 43 isoform (Cx43) in the heart have been associated with a high incidence of arrhythmogenesis and sudden death in several cardiac diseases. We propose to determine salutary ... -
Child maltreatment and cardiovascular disease: quantifying mediation pathways using UK Biobank
(BioMed Central Ltd., 2020-06)BackgroundChild maltreatment is associated with cardiovascular disease (CVD), but mediation pathways have not been fully elucidated. The aim of the current study was to determine and quantify the underlying pathways linking ... -
Comparación de los niveles de actividad física medidos con cuestionario de autorreporte (IPAQ) con medición de acelerometría según estado nutricional
(Sociedad Medica de Santiago, 2020-01)Background: It is unknown if nutritional status could influence the accuracy of self-reported physical activity (PA) levels. Aim: To compare PA measured using the international physical activity questionnaire (IPAQ) and ... -
Comparación entre el auto-reporte de actividad física y la medición con acelerómetro según factores sociodemográficos
(Chile. Universidad Mayor, 2020)Introduction: Determining level of physical activity (PA) can be done with objective measurement, through accelerometer, or by subjective measurement through self-report questionnaire. The aim of this study was to compare ... -
Comparison of self-report versus accelerometer - measured physical activity and sedentary behaviors and their association with body composition in Latin American countries
(Public Library of Science, 2020-04)Background: Most population-based studies from Latin America have used questionnaires to measure physical activity (PA) and sedentary behaviors (SB). Low reliability and validity of the questionnaires has limited the ... -
Comparison of two different frailty measurements and risk of hospitalisation or death from COVID-19: findings from UK Biobank
(BioMed Central Ltd., 2020-11)Background Frailty has been associated with worse prognosis following COVID-19 infection. While several studies have reported the association between frailty and COVID-19 mortality or length of hospital stay, there have ...