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https://www.readbyqxmd.com/read/29351493/test-retest-reliability-of-the-unsupported-upper-limb-exercise-test-uulex-and-6-min-peg-board-ring-test-6pbrt-in-healthy-adult-individuals
#1
Vanessa Pereira Lima, Marcelo Velloso, Fabiana Damasceno Almeida, Bianca Carmona, Giane Amorim Ribeiro-Samora, Tania Janaudis-Ferreira
BACKGROUND: The unsupported upper-limb exercise (UULEX) and 6-min peg board ring tests (6PBRTs) have been developed to measure peak unsupported arm exercise capacity and arm endurance, respectively, in individuals with chronic obstructive pulmonary disease. These tests are valid and reproducible in this population; however, the reproducibility of healthy adults is currently unknown. OBJECTIVE: To determine the within-day test-retest reliability of the UULEX and 6PBRT in healthy adults...
January 19, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29351488/measurement-of-postprandial-glucose-fluxes-in-response-to-acute-and-chronic-endurance-exercise-in-healthy-humans
#2
Dale J Morrison, Greg M Kowalski, Eleonora Grespan, Andrea Mari, Clinton R Bruce, Glenn D Wadley
The effect of endurance exercise on enhancing insulin sensitivity and glucose flux has been well established with techniques such as the hyperinsulinemic clamp. Although informative, such techniques do not emulate the physiological postprandial state, and it remains unclear how exercise improves postprandial glycaemia. Accordingly, combining mixed meal tolerance testing and the triple-stable isotope glucose tracer approach, glucose fluxes (rates of meal glucose appearance (Ra), disposal (Rd) and endogenous glucose production (EGP)) were determined following acute endurance exercise (1h cycling; ~70% VO2max) and 4 weeks of endurance training (cycling 5d/wk)...
December 19, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29351383/muscular-performance-and-body-composition-changes-following-multi-versus-combined-multi-and-single-joint-exercises-in-aging-adults
#3
Ewertton de Souza Bezerra, Antônio Renato Pereira Moro, Lucas Bet da Rosa Orssatto, Mariane Eichendorf da Silva, Jeffrey Michael Willardson, Roberto Simão
The aim of the present study was to compare muscular performance and body composition changes following low volume resistance training programs consisting of multi-joint (MJ) exercises (cable chest press and seated row)versus a combination of multi- and single-joint (MJ+SJ) exercises (cable chest press, seated row, biceps curl, and triceps extension). Thirty untrained healthy aging adults were randomly assigned to three groups: MJ (n=11), MJ+SJ (n=11), and Control (n=8). Twelve-repetition maximums (12-RM) for the cable chest press and seated row; localized muscular endurance for the elbow flexors handgrip strength; and body composition were assessed before and after the 8-week training program...
January 19, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29351130/comparative-effectiveness-of-low-volume-time-efficient-resistance-training-versus-endurance-training-in-patients-with-heart-failure
#4
Gregers Winding Munch, Jaya Birgitte Rosenmeier, Morten Petersen, Anders Rasmussen Rinnov, Ulrik Winning Iepsen, Bente Klarlund Pedersen, Stefan Peter Mortensen
PURPOSE: Cardiorespiratory fitness is positively related to heart failure (HF) prognosis, but lack of time and low energy are barriers for adherence to exercise. We, therefore, compared the effect of low-volume time-based resistance exercise training (TRE) with aerobic moderate-intensity cycling (AMC) on maximal and submaximal exercise capacity, health-related quality of life, and vascular function. METHODS: Twenty-eight HF patients (New York Heart Association class I-II) performed AMC (n = 14) or TRE (n = 14)...
January 18, 2018: Journal of Cardiopulmonary Rehabilitation and Prevention
https://www.readbyqxmd.com/read/29349618/respiratory-training-late-after-fontan-intervention-impact-on-cardiorespiratory-performance
#5
Lamia Ait Ali, Alessandro Pingitore, Paolo Piaggi, Fabio Brucini, Mirko Passera, Marco Marotta, Alessandra Cadoni, Claudio Passino, Giosuè Catapano, Pierluigi Festa
Fontan palliation allows patients with "single ventricle" circulation to reach adulthood with an acceptable quality of life, although exercise tolerance is significantly reduced. To assess whether controlled respiratory training (CRT) increases cardiorespiratory performance. 16 Adolescent Fontan patients (age 17. 5 ± 3.8 years) were enrolled. Patients were divided into CRT group (n = 10) and control group (C group, n = 6). Maximal cardiopulmonary test (CPT) was repeated at the end of CRT in the CRT group and after an average time of 3 months in the C group...
January 19, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29349286/exercise-self-efficacy-in-adults-with-congenital-heart-disease
#6
Annika Bay, Camilla Sandberg, Ulf Thilén, Karin Wadell, Bengt Johansson
Background: Physical activity improves health, exercise tolerance and quality of life in adults with congenital heart disease (CHD), and exercise training is in most patients a high-benefit low risk intervention. However, factors that influence the confidence to perform exercise training, i.e. exercise self-efficacy (ESE), in CHD patients are virtually unknown. We aimed to identify factors related to low ESE in adults with CHD, and potential strategies for being physically active. Methods: Seventy-nine adults with CHD; 38 with simple lesions (16 women) and 41 with complex lesions (17 women) with mean age 36...
March 2018: IJC Heart & Vasculature
https://www.readbyqxmd.com/read/29348183/neurophysiological-mechanisms-of-exertional-dyspnoea-in-fibrotic-interstitial-lung-disease
#7
Michele R Schaeffer, Christopher J Ryerson, Andrew H Ramsook, Yannick Molgat-Seon, Sabrina S Wilkie, Satvir S Dhillon, Reid A Mitchell, A William Sheel, Nasreen Khalil, Pat G Camp, Jordan A Guenette
Our understanding of the mechanisms of dyspnoea in fibrotic interstitial lung disease (ILD) is incomplete. The aims of this study were two-fold: 1) to determine whether dyspnoea intensity is better predicted by neural respiratory drive (NRD) or neuromechanical uncoupling (NMU) of the respiratory system in fibrotic ILD, and 2) to examine the effect of breathing 60% oxygen on NRD, NMU and dyspnoea ratings.Fourteen patients with fibrotic ILD were included. Visit 1 comprised a familiarisation incremental cycle exercise test, Visit 2 comprised a normoxic incremental cycling test to address Aim 1, and Visits 3 and 4 consisted of constant-load cycling while breathing room air or 60% oxygen to address Aim 2...
January 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29346165/using-drosophila-to-understand-biochemical-and-behavioral-responses-to-exercise
#8
Alyson Sujkowski, Robert Wessells
The development of endurance exercise paradigms in Drosophila has facilitated study of genetic factors that control individual response to exercise. Recent work in Drosophila has demonstrated that activation of octopaminergic neurons is alone sufficient to confer exercise adaptations to sedentary flies. These results suggest that adrenergic activity is both necessary and sufficient to promote endurance exercise adaptations.
January 15, 2018: Exercise and Sport Sciences Reviews
https://www.readbyqxmd.com/read/29345161/caffeine-improves-triathlon-performance-a-field-study-in-males-and-females
#9
Sunita Potgieter, Hattie H Wright, Carine Smith
The ergogenic effect of caffeine on endurance exercise is commonly accepted. We aimed to elucidate realistically the effect of caffeine on triathlon event performance using a field study design, while allowing investigation into potential mechanisms at play. A double-blind, randomized, crossover, field trial was conducted. Twenty-six triathletes (14 males, 12 females) participated (age: 37.8±10.6 years, habitual caffeine intake: 413±505 mg/day, percentage body fat: 14.5±7.2%, training/week: 12.8±4.5 hours)...
January 18, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29344657/effects-of-hereditary-moderate-high-fat-diet-on-metabolic-performance-and-physical-endurance-capacity-in-c57bl-6-offspring
#10
Fang Liu, Guirong Zhang, Xue Sheng, Shang Liu, Meng Cui, Heyun Guo, Jianbin Xue, Lingyun Zhang
Obesity in pregnant women presents a risk to fetal health, leading to numerous metabolic syndromes and chronic inflammation risks. Previously, physical exercise was considered to be one of the primary treatments for obesity. However, the effect of fat consumption throughout the life cycle on physical endurance capacity remains unknown. A total of two groups of female mice (age, 6 weeks; C57BL/6J) were fed with a normal chow diet and a moderate high fat diet (MHFD), during pregnancy and lactation (8 weeks), with the offspring receiving the same diet as the mother...
January 16, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29344008/understanding-the-factors-that-effect-maximal-fat-oxidation
#11
REVIEW
Troy Purdom, Len Kravitz, Karol Dokladny, Christine Mermier
Lipids as a fuel source for energy supply during submaximal exercise originate from subcutaneous adipose tissue derived fatty acids (FA), intramuscular triacylglycerides (IMTG), cholesterol and dietary fat. These sources of fat contribute to fatty acid oxidation (FAox) in various ways. The regulation and utilization of FAs in a maximal capacity occur primarily at exercise intensities between 45 and 65% VO2max, is known as maximal fat oxidation (MFO), and is measured in g/min. Fatty acid oxidation occurs during submaximal exercise intensities, but is also complimentary to carbohydrate oxidation (CHOox)...
2018: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/29343130/a-community-based-exercise-program-to-increase-participation-in-physical-activities-among-youth-with-disability-a-feasibility-study
#12
Nora Shields, Roos van den Bos, Kirsty Buhlert-Smith, Luke Prendergast, Nicholas Taylor
PURPOSE: To evaluate the feasibility of a student-mentored community-based exercise program for youth with disability. METHOD: Nineteen youth (nine female; mean age 18 years) with disability (seven cerebral palsy, six Down syndrome, three spina bifida, two autism spectrum disorder, one spinal cord injury) were recruited. Each participant was matched with a student mentor and exercised twice a week for 12 weeks at their local gymnasium. Five domains of feasibility were assessed: demand, implementation, practicality, limited efficacy testing, and acceptability...
January 17, 2018: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29342932/interstitial-glucose-and-physical-exercise-in-type-1-diabetes-integrative-physiology-technology-and-the-gap-in-between
#13
REVIEW
Othmar Moser, Jane E Yardley, Richard M Bracken
Continuous and flash glucose monitoring systems measure interstitial fluid glucose concentrations within a body compartment that is dramatically altered by posture and is responsive to the physiological and metabolic changes that enable exercise performance in individuals with type 1 diabetes. Body fluid redistribution within the interstitial compartment, alterations in interstitial fluid volume, changes in rate and direction of fluid flow between the vasculature, interstitium and lymphatics, as well as alterations in the rate of glucose production and uptake by exercising tissues, make for caution when interpreting device read-outs in a rapidly changing internal environment during acute exercise...
January 15, 2018: Nutrients
https://www.readbyqxmd.com/read/29338489/multimodal-physiotherapy-treatment-based-on-a-biobehavioral-approach-for-patients-with-chronic-cervico-craniofacial-pain-a-prospective-case-series
#14
Fernando Marcos-Martín, Luis González-Ferrero, Noelia Martín-Alcocer, Alba Paris-Alemany, Roy La Touche
The purpose of this prospective case series was to observe and describe changes in patients with chronic cervico-craniofacial pain of muscular origin treated with multimodal physiotherapy based on a biobehavioral approach. Nine patients diagnosed with chronic myofascial temporomandibular disorder and neck pain were treated with 6 sessions over the course of 2 weeks including: (1) orthopedic manual physiotherapy (joint mobilizations, neurodynamic mobilization, and dynamic soft tissue mobilizations); (2) therapeutic exercises (motor control and muscular endurance exercises); and (3) patient education...
January 17, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29336645/physical-exercise-prior-to-hematopoietic-stem-cell-transplantation-a-feasibility-study
#15
Inge E P M van Haren, J Bart Staal, Carin M Potting, Femke Atsma, Thomas J Hoogeboom, Nicole M A Blijlevens, Maria W G Nijhuis-van der Sanden
PURPOSE: This study explores the feasibility and preliminary effectiveness of an exercise program in people scheduled for hematopoietic stem cell transplantation (HSCT). METHODS: In this controlled clinical trial, we compare pre-transplantation exercise to no exercise in the waiting period for an allogeneic of autologous HSCT. The supervised individually tailored exercise program (4-6 weeks) consisted of aerobic endurance, muscle strength, and relaxation exercises, administered twice a week in the period prior to HSCT...
January 16, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29336621/beta-alanine-does-not-enhance-the-effects-of-resistance-training-in-older-adults
#16
Christopher H Bailey, Joseph F Signorile, Arlette C Perry, Kevin A Jacobs, Nicholas D Myers
To investigate the potential of beta-alanine to increase muscular endurance of elder individuals in specific resistance-training protocols, we randomly assigned 27 participants (60-82 years of age) to a 12-week double-blind intervention using 3.2 g/day beta-alanine or placebo with or without resistance training to determine the effects on anthropometrics, muscular performance, and activities of daily living (ADL). The endurance-based resistance-training program (ERT) was given three times per week and included two sets of 15-25 repetitions on 11 computerized pneumatic machines (alternating upper and lower body) at an intensity of 50% of maximum lifting weight (1RM)...
January 16, 2018: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/29334005/physiological-correlations-with-short-medium-and-long-cycling-time-trial-performance
#17
Fernando K Borszcz, Artur F Tramontin, Kristopher M de Souza, Lorival J Carminatti, Vitor P Costa
PURPOSE: Several studies have demonstrated that physiological variables predict cycling endurance performance. However, it is still unclear whether the predictors will change over different performance durations. The aim of this study was to assess the correlations between physiological variables and cycling time trials with different durations. METHODS: Twenty trained male cyclists (maximal oxygen uptake [VO2max] = 60.5 ± 5.6 mL/kg/min) performed 4 separate experimental trials during a 2-week period...
January 15, 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29332749/long-term-effect-of-direction-movement-control-training-on-female-patients-with-chronic-neck-pain
#18
Zohreh Khosrokiani, Amir Letafatkar, Yahya Sokhanguei
BACKGROUND: Treatment of movement faults in the neck is known as an important factor in treatment of chronic neck pain. Along with the identification of site and direction of the faults, direction-movement control intervention retrains the control of the movement faults. PURPOSE: This study was designed to investigate long-term effects of a direction-movement control training on pain, disability, head repositioning accuracy, function, cervical flexor endurance, and range of motion in female patients with chronic nonspecific neck pain...
January 2018: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29332237/acute-acetaminophen-ingestion-improves-performance-and-muscle-activation-during-maximal-intermittent-knee-extensor-exercise
#19
Paul T Morgan, Joanna L Bowtell, Anni Vanhatalo, Andrew M Jones, Stephen J Bailey
AIM: Acetaminophen is a commonly used medicine for pain relief and emerging evidence suggests that it may improve endurance exercise performance. This study investigated some of the physiological mechanisms by which acute acetaminophen ingestion might blunt muscle fatigue development. METHODS: Thirteen active males completed 60 × 3 s maximum voluntary contractions (MVC) of the knee extensors with each contraction separated by a 2 s passive recovery period...
January 13, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29331169/the-introduction-of-simple-cardiorespiratory-fitness-testing-in-overweight-obese-type-2-diabetics-a-pilot-study
#20
Ľubica Cibičková, David Karásek, Jiří Lukeš, Norbert Cibiček
BACKGROUND: Low level of cardiorespiratory fitness has been recognized as an important independent and modifiable risk factor of increased morbidity and mortality. However, in standard outpatient settings, patients are not routinely screened for fitness and advantages of such testing for the management of type 2 diabetes have not been defined. Aim To describe the toleration of a fast, simple and practicable fitness test (2-min step-in-place test) by overweight/obese type 2 diabetics and their performance indicated by 2-min step-in-place test score (STS)...
January 14, 2018: Primary Health Care Research & Development
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