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"Exercise physiology"

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https://www.readbyqxmd.com/read/29120304/an-examination-of-school-and-student-level-characteristics-associated-with-the-likelihood-of-students-meeting-the-canadian-physical-activity-guidelines-in-the-compass-study
#1
Amanda Harvey, Guy Faulkner, Lora Giangregorio, Scott T Leatherdale
OBJECTIVES: To examine school- and student-level correlates of physical activity. METHODS: Cross-sectional Year 2 data collected from 45 298 grade 9-12 students attending 89 secondary schools in the COMPASS study were examined using multi-level modelling to predict the likelihood of students a) achieving 60 minutes of moderate to vigorous physical activity (MVPA) daily; and b) achieving the Canadian Society for Exercise Physiology (CSEP) activity guideline for youth (60 minutes/MVPA daily, vigorous physical activity at least three days in a week, and resistance training at least three days in a week)...
November 9, 2017: Canadian Journal of Public Health. Revue Canadienne de Santé Publique
https://www.readbyqxmd.com/read/29054100/recovery-based-interprofessional-distance-education-ride-graduate-student-responses
#2
Lora Humphrey Beebe, Marian Roman, Hollie Raynor, Dixie Thompson, Andrea Franks
Graduate student attitudes (n = 28) were assessed before and after participation in interprofessional practitioner education (IPE). Twenty-eight graduate students participated (14 mental health nursing, 6 pharmacy, 4 nutrition, 4 exercise physiology); most had at least some health care experience. Posttest scores indicated gains on a majority of constructs measured. These results suggest that online-blended IPE content yields gains in team skills and attitudes. This study adds to a very small body of literature on IPE in graduate programs...
November 2017: Nursing Education Perspectives
https://www.readbyqxmd.com/read/29052516/pure-exercise-intolerance-and-ophthalmoplegia-associated-with-the-m-12-294g%C3%A2-%C3%A2-a-mutation-in-the-mt-tl2-gene-a-case-report
#3
Patrick Soldath, Karen Lindhardt Madsen, Astrid Emilie Buch, Morten Duno, Flemming Wibrand, John Vissing
BACKGROUND: Pure exercise intolerance associated with exclusive affection of skeletal muscle is a very rare phenotype of patients with mitochondrial myopathy. Moreover, the exercise intolerance in these rare patients is yet not well explored, as most of known cases have not been assessed by objective testing, but only by interview. We report a patient with a mitochondrial DNA (mtDNA) mutation that gives rise to an exclusive myopathy associated with exercise intolerance and ophthalmoplegia...
October 19, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29021907/lessons-from-popper-for-science-paradigm-shifts-scientific-revolutions-and-exercise-physiology
#4
REVIEW
Robert Andrew Robergs
A connection has been made to the possible role of the central governor model (CGM) to be a paradigm shift within the exercise sciences. Unfortunately, very little evidence was presented to support this notion, and a narrow view of scientific philosophy was used to reflect on the role of the CGM in understanding exercise physiology and the pursuit of a more ideal scientific method. When contrasting the scientific philosophies of Kuhn to Popper, and applying the tenant of falsification to the research and commentary on the CGM, it is probable that the scholarship pertaining to the CGM adheres more to pseudoscience than science...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/28990410/proceedings-of-the-canadian-society-for-exercise-physiology-annual-general-meeting-back-to-the-beginning-compte-rendu-du-congr%C3%A3-s-annuel-de-la-soci%C3%A3-t%C3%A3-canadienne-de-physiologie-de-l-exercice-%C3%A2-back-to-the-beginning-%C3%A2
#5
(no author information available yet)
No abstract text is available yet for this article.
October 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28980345/exercise-physiology-and-nutritional-perspectives-of-elite-soccer-refereeing
#6
REVIEW
Kai Schenk, Mario Bizzini, Hannes Gatterer
Referees are an integral part of soccer and their performance is fundamental for regular match flow, irrespective of the competition level or age classes. So far, scientific interest was mainly limited to aspects of exercise physiology and match performance of soccer referees, whereas recommendations for nutrition were adopted from active professional soccer. In contrast to elite soccer players most referees are non-professional and engaged in different occupations. Furthermore, elite referees and soccer players differ in regard to age, body composition, aerobic capacity and training load...
October 5, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28969370/monitoring-clinical-progression-with-mitochondrial-disease-biomarkers
#7
REVIEW
Hannah E Steele, Rita Horvath, Jon J Lyon, Patrick F Chinnery
Mitochondrial disorders are genetically determined metabolic diseases due to a biochemical deficiency of the respiratory chain. Given that multi-system involvement and disease progression are common features of mitochondrial disorders they carry substantial morbidity and mortality. Despite this, no disease-modifying treatments exist with clear clinical benefits, and the current best management of mitochondrial disease is supportive. Several therapeutic strategies for mitochondrial disorders are now at a mature preclinical stage...
October 1, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28967843/children-s-aerobic-trainability-and-related-questions
#8
Raffy Dotan
In response to Armstrong's recent Special Topics review of "Top 10 Research Questions Related to Youth Aerobic Fitness," this commentary revisits some of the points raised, particularly in relation to the question of whether a child‒adult trainability difference does indeed exist. Discussed are the validity of much of the existing pediatric maximal oxygen consumption data upon which trainability conclusions are drawn, why differential trainability is likely a fact rather than a doubt, a reasoned novel approach to explaining the phenomenon, and how that explanation can bear upon and answer several of the other raised questions...
October 2, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28925073/role-of-cardiopulmonary-exercise-testing-in-clinical-stratification-in-heart-failure-a-position-paper-from-the-committee-on-exercise-physiology-and-training-of-the-heart-failure-association-of-the-european-society-of-cardiology
#9
REVIEW
Ugo Corrà, Pier Giuseppe Agostoni, Stefan D Anker, Andrew J S Coats, Maria G Crespo Leiro, Rudolph A de Boer, Veli-Pekka Hairola, Loreena Hill, Mitja Lainscak, Lars H Lund, Marco Metra, Piotr Ponikowski, Jillian Riley, Petar M Seferović, Massimo F Piepoli
Traditionally, the main indication for cardiopulmonary exercise testing (CPET) in heart failure (HF) was for the selection of candidates to heart transplantation: CPET was mainly performed in middle-aged male patients with HF and reduced left ventricular ejection fraction. Today, CPET is used in broader patients' populations, including women, elderly, patients with co-morbidities, those with preserved ejection fraction, or left ventricular assistance device recipients, i.e. individuals with different responses to incremental exercise and markedly different prognosis...
September 18, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28918494/betaine-in-the-brain-characterization-of-betaine-uptake-its-influence-on-other-osmolytes-and-its-potential-role-in-neuroprotection-from-osmotic-stress
#10
Leena S Knight, Quinn Piibe, Ian Lambie, Christopher Perkins, Paul H Yancey
Betaine (N-trimethylglycine), a common osmolyte, has received attention because of the number of clinical reports associating betaine supplementation with improved cognition, neuroprotection and exercise physiology. However, tissue analyses report little accumulation of betaine in brain tissue despite the presence of betaine/GABA transporters (BGT1) at the blood brain barrier and in nervous tissue, calling into question whether betaine influences neuronal function directly or indirectly. Therefore, the focus of this study was to determine what capacity nervous tissue has to accumulate betaine, specifically in the hippocampus, a region of the brain associated with learning and memory and one that is particularly susceptible to damage (e...
September 16, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28887887/evaluating-the-essential-role-of-rons-in-vivo-in-exercised-human-muscle
#11
EDITORIAL
Enrique Jaimovich, Mariana Casas
An article by Margaritelis et al.,(1) (this issue) addresses an important issue in exercise physiology, as it is the actual role of reactive oxygen and nitrogen species (RONS) in exercise-induced adaptations in humans. The authors designed a procedure that allowed them to avoid the use of exogenous anti-oxidants and redox agents that will normally alter metabolism and have multiple undesired effects. We discuss here in the context of the necessary balance between the beneficial role of reactive oxygen and nitrogen species as intracellular signals for muscle adaptation and the deleterious effects of these species in oxidative stress...
September 9, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28871552/lessons-from-a-tarantula-new-insights-into-myosin-interacting-heads-motif-evolution-and-its-implications-on-disease
#12
REVIEW
Lorenzo Alamo, Antonio Pinto, Guidenn Sulbarán, Jesús Mavárez, Raúl Padrón
Tarantula's leg muscle thick filament is the ideal model for the study of the structure and function of skeletal muscle thick filaments. Its analysis has given rise to a series of structural and functional studies, leading, among other things, to the discovery of the myosin interacting-heads motif (IHM). Further electron microscopy (EM) studies have shown the presence of IHM in frozen-hydrated and negatively stained thick filaments of striated, cardiac, and smooth muscle of bilaterians, most showing the IHM parallel to the filament axis...
September 4, 2017: Biophysical Reviews
https://www.readbyqxmd.com/read/28859409/the-ecology-of-exercise-mechanisms-underlying-individual-variation-in-behavior-activity-and-performance-an-introduction-to-symposium
#13
Shaun S Killen, Ryan Calsbeek, Tony D Williams
Wild animals often engage in intense physical activity while performing tasks vital for their survival and reproduction associated with foraging, avoiding predators, fighting, providing parental care, and migrating. In this theme issue we consider how viewing these tasks as "exercise"-analogous to that performed by human athletes-may help provide insight into the mechanisms underlying individual variation in these types of behaviors and the importance of physical activity in an ecological context. In this article and throughout this issue, we focus on four key questions relevant to the study of behavioral ecology that may be addressed by studying wild animal behavior from the perspective of exercise physiology: (1) How hard do individual animals work in response to ecological (or evolutionary) demands?; (2) Do lab-based studies of activity provide good models for understanding activity in free-living animals and individual variation in traits?; (3) Can animals work too hard during "routine" activities?; and (4) Can paradigms of "exercise" and "training" be applied to free-living animals? Attempts to address these issues are currently being facilitated by rapid technological developments associated with physiological measurements and the remote tracking of wild animals, to provide mechanistic insights into the behavior of free-ranging animals at spatial and temporal scales that were previously impossible...
August 1, 2017: Integrative and Comparative Biology
https://www.readbyqxmd.com/read/28805516/do-graded-activity-therapies-cause-harm-in-chronic-fatigue-syndrome
#14
Tom Kindlon
Reporting of harms was much better in the PACE (Pacing, graded Activity, and Cognitive behavioural therapy: a randomised Evaluation) trial than earlier chronic fatigue syndrome trials of graded exercise therapy and cognitive behavioural therapy. However, some issues remain. The trial's poor results on objective measures of fitness suggest a lack of adherence to the activity component of these therapies. Therefore, the safety findings may not apply in other clinical contexts. Outside of clinical trials, many patients report deterioration with cognitive behavioural therapy and particularly graded exercise therapy...
August 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28795013/management-of-diabetes-mellitus-in-children-and-adolescents-engaging-in-physical-activity
#15
REVIEW
Silpa Nadella, Justin A Indyk, Manmohan K Kamboj
Regular physical activity is an important component in the management of both type 1 and type 2 diabetes mellitus (T1DM and T2DM), as it has the potential to improve glycemic control, delay cardiovascular complications, and increase overall well-being. Unfortunately, many children and adolescents with diabetes do not partake in regular exercise and physical activity for multiple reasons. This review identifies the barriers to participation from the aspect of the patient, caregiver, and the healthcare provider...
July 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28783384/clinical-physical-physiological-and-dietary-patterns-of-obese-and-sedentary-adults-with-primary-hypertension-characterized-by-sex-and-cardiorespiratory-fitness-exerdiet-hta-study
#16
Ilargi Gorostegi-Anduaga, Pablo Corres, Borja Jurio-Iriarte, Aitor Martínez-Aguirre, Javier Pérez-Asenjo, Gualberto R Aispuru, Lide Arenaza, Estibaliz Romaratezabala, Iñaki Arratibel-Imaz, Iñigo Mujika, Silvia Francisco-Terreros, Sara Maldonado-Martín
The main purpose of this study was to determine some key physical, physiological, clinical, and nutritional markers of health status in obese and sedentary adults (54.0 ± 8.1 years, 141 men and 68 women) with primary hypertension (HTN) characterized by sex and cardiorespiratory fitness (CRF) level. The studied population showed a high cardiovascular risk (CVR) profile including metabolically abnormal obese, with poor CRF level (22.5 ± 5.6 mL·kg(-1)·min(-1)), exercise-induced HTN (Systolic Blood Pressure>210 mmHg in men and >190 mmHg in women at the end of the exercise test) and with non-healthy adherence to dietary pattern (Dietary Approaches to Stop Hypertension, 46...
August 7, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28763244/more-breathing-less-fitness-lessons-from-exercise-physiology-in-copd-heart-failure-overlap
#17
Santiago C Arce, Eduardo L De Vito
No abstract text is available yet for this article.
August 1, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28738087/exercise-physiology-with-a-left-ventricular-assist-device-analysis-of-heart-pump-interaction-with-a-computational-simulator
#18
Libera Fresiello, Frank Rademakers, Piet Claus, Gianfranco Ferrari, Arianna Di Molfetta, Bart Meyns
Patients with a Ventricular Assist Device (VAD) are hemodynamically stable but show an impaired exercise capacity. Aim of this work is to identify and to describe the limiting factors of exercise physiology with a VAD. We searched for data concerning exercise in heart failure condition and after VAD implantation from the literature. Data were analyzed by using a cardiorespiratory simulator that worked as a collector of inputs coming from different papers. As a preliminary step the simulator was used to reproduce the evolution of hemodynamics from rest to peak exercise (ergometer cycling) in heart failure condition...
2017: PloS One
https://www.readbyqxmd.com/read/28737585/biomarkers-in-sports-and-exercise-tracking-health-performance-and-recovery-in-athletes
#19
Elaine C Lee, Maren S Fragala, Stavros A Kavouras, Robin M Queen, John Luke Pryor, Douglas J Casa
Biomarker discovery and validation is a critical aim of the medical and scientific community. Research into exercise and diet-related biomarkers aims to improve health, performance, and recovery in military personnel, athletes, and lay persons. Exercise physiology research has identified individual biomarkers for assessing health, performance, and recovery during exercise training. However, there are few recommendations for biomarker panels for tracking changes in individuals participating in physical activity and exercise training programs...
October 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28713460/effects-of-an-elastic-hamstring-assistance-device-during-downhill-running
#20
Randy L Aldret, Brittany A Trahan, Greggory Davis, Brian Campbell, David M Bellar
The purpose of this study was to determine the appropriateness of using an elastic hamstring assistance device to reduce perceived levels of soreness, increase isometric strength, increase passive range of motion, and decrease biomarkers of muscle damage after eccentric exercise, specifically, downhill running This study was conducted in a university exercise physiology laboratory placing sixteen apparently healthy males (X = 21.6 ± 2.5 years) into two groups using a pre-test/post-test design. Pre-intervention measures taken included participants' body height, body mass, body fat, capillary blood samples, VO2max, isometric hamstring strength at 45 and 90 degrees of flexion and passive hamstring range of motion...
June 2017: Journal of Human Kinetics
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