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https://www.readbyqxmd.com/read/29793014/calf-muscle-oxygen-saturation-during-six-minute-walk-test-and-its-relationship-with-walking-impairment-in-symptomatic-peripheral-artery-disease
#1
Aluísio Andrade-Lima, Gabriel G Cucato, Wagner J R Domingues, Antônio H Germano-Soares, Bruno R Cavalcante, Marilia A Correia, Glauco F Saes, Nelson Wolosker, Andrew W Gardner, Antônio E Zerati, Raphael M Ritti-Dias
OBJECTIVE: Impaired microcirculation is associated with poor walking capacity in symptomatic peripheral artery disease (PAD) patients during treadmill test, however, this test does not simulate the efforts of daily walking of these patients. Thus, the aim of the study was to describe the microcirculation responses during six-minute walk test (6MWT) and to analyze the relationship between microcirculation indicators and walking impairment in symptomatic PAD patients. METHODS: Thirty-four patients were included (mean age = 67...
May 21, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29792553/mitochondrial-complex-i-defect-resulting-from-exercise-induced-lower-limb-ischemia-in-patients-with-peripheral-arterial-disease
#2
Isabelle Signolet, Pierre Abraham, Stéphanie Chupin, Myriam Ammi, Naïg Gueguen, Franck Letournel, Jean Picquet, Christophe Baufreton, Mickael Daligault, Vincent Procaccio, Pascal Reynier, Samir Henni
OBJECTIVE: This study aims to compare the structural and mitochondrial alterations between muscle segments affected by exercise-induced ischemia and segments of the same muscle without ischemia, in the same subject. METHODS: In a prospective analysis, 34 patients presenting either peripheral arterial disease or chronic coronary syndrome without any evidence of peripheral arterial disease were eligible for inclusion based on findings indicating a need for either a femoro-popliteal bypass or a saphenous harvesting for coronary bypass...
May 24, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29791970/effect-of-high-intensity-resistance-circuit-based-training-in-hypoxia-on-aerobic-performance-and-repeat-sprint-ability
#3
Domingo J Ramos-Campo, Ismael Martínez-Guardado, Guillermo Olcina, Cristian Marín-Pagán, Francisco J Martínez-Noguera, Jorge Carlos-Vivas, Pedro E Alcaraz, Jacobo A Rubio-Arias
Recent acute studies have shown that high-intensity resistance circuit-based (HRC) training in hypoxia increases metabolic stress. However, no intervention studies have yet proven their effectiveness. This study aimed to analyse the effect of 8 weeks of HRC in hypoxia on aerobic performance, resting energy expenditure (REE), repeat sprint ability (RSA) and haematological variables. Twenty-eight subjects were assigned to hypoxia (FiO2 =15%; HRChyp : n=15; age: 24.6±6.8 years; height: 177.4±5.9 cm; weight: 74...
May 23, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29791580/influence-of-aerobic-training-on-the-mechanics-of-ventricular-contraction-after-acute-myocardial-infarction-a-pilot-study
#4
Giovani Luiz De Santi, Henrique Turin Moreira, Eduardo Elias Vieira de Carvalho, Júlio César Crescêncio, André Schmidt, José Antônio Marin-Neto, Lourenço Gallo-Júnior
The study of myocardial contractility, based on the new anatomical concepts that govern cardiac mechanics, represents a promising strategy of analysis of myocardial adaptations related to physical training in the context of post-infarction. We investigated the influence of aerobic training on physical capacity and on the evaluation parameters of left ventricular contraction mechanics in patients with myocardial infarction. Thirty-one patients (55.1 ± 8.9 years) who had myocardial infarction in the anterior wall were prospectively investigated in three groups: interval training group (ITG) (n = 10), moderate training group (MTG) n = 10) and control group (CG) (n = 10)...
April 2018: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/29789801/exercise-prevents-diaphragm-wasting-induced-by-cigarette-smoke-through-modulation-of-antioxidant-genes-and-metalloproteinases
#5
Gracielle Vieira Ramos, Alessandra Choqueta de Toledo-Arruda, Clara Maria Pinheiro-Dardis, Camila Liyoko Suehiro, Thiago Luiz de Russo, Rodolfo Paula Vieira, Milton Arruda Martins, Tania Fátima Salvini, João Luiz Quagliotti Durigan
Background: The present study aimed to analyze the effects of physical training on an antioxidant canonical pathway and metalloproteinases activity in diaphragm muscle in a model of cigarette smoke-induced chronic obstructive pulmonary disease (COPD). Methods: Male mice were randomized into control, smoke, exercise, and exercise + smoke groups, which were maintained in trial period of 24 weeks. Gene expression of kelch-like ECH-associated protein 1; nuclear factor erythroid-2 like 2; and heme-oxygenase1 by polymerase chain reaction was performed...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29789302/fractional-flow-reserve-and-instantaneous-wave-free-ratio-as-predictors-of-the-placebo-controlled-response-to-percutaneous-coronary-intervention-in-stable-single-vessel-coronary-artery-disease-physiology-stratified-analysis-of-orbita
#6
Rasha Al-Lamee, James P Howard, Matthew J Shun-Shin, David Thompson, Hakim-Moulay Dehbi, Sayan Sen, Sukhjinder Nijjer, Ricardo Petraco, John Davies, Thomas Keeble, Kare Tang, Iqbal S Malik, Christopher Cook, Yousif Ahmad, Andrew S P Sharp, Robert Gerber, Christopher Baker, Raffi Kaprielian, Suneel Talwar, Ravi Assomull, Graham Cole, Niall G Keenan, Gajen Kanaganayagam, Joban Sehmi, Roland Wensel, Frank E Harrell, Jamil Mayet, Simon A Thom, Justin E Davies, Darrel P Francis
BACKGROUND : There are no data on how fractional flow reserve (FFR) and instantaneous wave-free ratio (iFR) are associated with the placebo-controlled efficacy of percutaneous coronary intervention (PCI) in stable single-vessel coronary artery disease. METHODS : We report the association between prerandomization invasive physiology within ORBITA (Objective Randomised Blinded Investigation With Optimal Medical Therapy of Angioplasty in Stable Angina), a placebo-controlled trial of patients who have stable angina with angiographically severe single-vessel coronary disease clinically eligible for PCI...
May 22, 2018: Circulation
https://www.readbyqxmd.com/read/29789265/the-physiological-and-perceptual-demands-of-running-on-a-curved-non-motorised-treadmill-implications-for-self-paced-training
#7
Patrick P J M Schoenmakers, Kate E Reed
OBJECTIVES: To compare physiological and perceptual response of running on a curved non-motorized treadmill (cNMT) with running on a motorized treadmill (MT), and to determine the running velocity at which a physiological response≥90% V˙O2 max was elicited. DESIGN & METHODS: 13 trained male runners (mean±SD; 36±11years, 1.80±0.06m, 70±4kg, V˙O2 max: 57.3±3.5 mLkg-1 min-1 ) performed an incremental running test on a MT to determine V˙O2 max and the accompanying maximum velocity (Vmax)...
May 19, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29789150/compensation-for-inertial-and-gravity-effects-in-a-moving-force-platform
#8
Sandra K Hnat, Ben J H van Basten, Antonie J van den Bogert
Force plates for human movement analysis provide accurate measurements when mounted rigidly on an inertial reference frame. Large measurement errors occur, however, when the force plate is accelerated, or tilted relative to gravity. This prohibits the use of force plates in human perturbation studies with controlled surface movements, or in conditions where the foundation is moving or not sufficiently rigid. Here we present a linear model to predict the inertial and gravitational artifacts using accelerometer signals...
May 19, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29786927/the-exhaled-nitric-oxide-and-mannitol-test-to-predict-exercise-induced-bronchoconstriction
#9
Kyubo Kim, Hong Je Cho, Jung Won Yoon, Sun Hee Choi, Youn Ho Sheen, ManYong Han, Heysung Baek
BACKGROUND: Exercise-induced bronchoconstriction (EIB) is diagnosed via exercise challenge on a treadmill. However, such testing requires complex equipment and sufficient healthcare resources. The fraction of exhaled nitric oxide (FeNO) test and mannitol bronchial provocation test (BPT) may serve as a surrogate of exercise testing. METHODS: We compared the diagnostic utilities of the FeNO test and mannitol BPT in predicting EIB in asthmatic children. We retrospectively analysed data from 60 asthmatic children aged 6-16 years...
May 22, 2018: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/29785869/reliability-and-validity-of-the-zebris-fdm-thq-instrumented-treadmill-during-running-trials
#10
Ken Van Alsenoy, Athol Thomson, Angus Burnett
Little is known about the reliability, validity and smallest detectable differences of selected kinetic and temporal variables recorded by the Zebris FDM-THQ instrumented treadmill especially during running. Twenty male participants (age = 31.9 years (±5.6), height = 1.81 m (±0.08), mass = 80.2 kg (±9.5), body mass index = 24.53 kg/m2 (±2.53)) walked (5 km/h) and ran (10 and 15 km/h) on an instrumented treadmill, wearing running shoes fitted with Pedar-X insoles. A test-double retest protocol was conducted over two consecutive days...
May 22, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29781934/absolute-reliability-and-concurrent-validity-of-the-stryd-system-for-the-assessment-of-running-stride-kinematics-at-different-velocities
#11
Felipe García-Pinillos, Luis E Roche-Seruendo, Noel Marcén-Cinca, Luis A Marco-Contreras, Pedro A Latorre-Román
García-Pinillos, F, Roche-Seruendo, LE, Marcen-Cinca, N, Marco-Contreras, LA, and Latorre-Román, PA. Absolute reliability and concurrent validity of the Stryd system for the assessment of running stride kinematics at different velocities. J Strength Cond Res XX(X): 000-000, 2018-This study aimed to determine the absolute reliability and to evaluate the concurrent validity of the Stryd system for measuring spatiotemporal variables during running at different velocities (8-20 km·h) by comparing data with another widely used device (the OptoGait system)...
May 17, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29779423/cognitive-performance-and-locomotor-adaptation-in-persons-with-anterior-cruciate-ligament-reconstruction
#12
Amanda E Stone, Jaimie A Roper, Daniel C Herman, Chris J Hass
BACKGROUND: Persons with anterior cruciate ligament reconstruction (ACLR) show deficits in gait and neuromuscular control following rehabilitation. This altered behavior extends to locomotor adaptation and learning, however the contributing factors to this observed behavior have yet to be investigated. OBJECTIVE: The purpose of this study was to assess differences in locomotor adaptation and learning between ACLR and controls, and identify underlying contributors to motor adaptation in these individuals...
May 1, 2018: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/29777477/cardiac-and-gait-rhythms-in-healthy-younger-and-older-adults-during-treadmill-walking-tasks
#13
Matthew W Wittstein, Joseph M Starobin, Randy J Schmitz, Sandra J Shulz, Francis Jay Haran, Christopher K Rhea
BACKGROUND: Aging and pathology result in changes in the dynamics of several physiological subsystems. Often, these changes are concurrent, altering the dynamics between subsystems. Cardiac and gait rhythms are one example in which patterns change during physical activity. AIMS: The purpose of this research is to simultaneously monitor changes in cardiac and gait rhythms when participants complete various treadmill walking tasks-normal speed, fast speed, and while synchronizing steps with a blinking metronome...
May 17, 2018: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/29772387/validation-of-the-seattle-angina-questionnaire-in-women-with-ischemic-heart-disease
#14
Krishna K Patel, Suzanne V Arnold, Paul S Chan, Yuanyuan Tang, Philip G Jones, Jianping Guo, Donna M Buchanan, Mohammed Qintar, Carole Decker, David A Morrow, John A Spertus
BACKGROUND: Although the Seattle Angina Questionnaire (SAQ) has been widely used to assess disease-specific health status in patients with ischemic heart disease, it was originally developed in a predominantly male population and its validity in women has been questioned. METHODS: Using data from 8892 men and 4013 women across 2 multicenter trials and 5 registries, we assessed the construct validity, test-retest reliability, responsiveness to clinical change, and predictive validity of the SAQ Summary Score (SS) and its 5 subdomains (Physical Limitation (PL), Anginal Stability (AS), Angina Frequency (AF), Treatment Satisfaction (TS), and Quality of Life (QoL)) separately in men and women...
April 21, 2018: American Heart Journal
https://www.readbyqxmd.com/read/29771624/virtual-reality-training-to-enhance-behavior-and-cognitive-function-among-children-with-attention-deficit-hyperactivity-disorder-brief-report
#15
Shirley Shema-Shiratzky, Marina Brozgol, Pablo Cornejo-Thumm, Karen Geva-Dayan, Michael Rotstein, Yael Leitner, Jeffrey M Hausdorff, Anat Mirelman
PURPOSE: To examine the feasibility and efficacy of a combined motor-cognitive training using virtual reality to enhance behavior, cognitive function and dual-tasking in children with Attention-Deficit/Hyperactivity Disorder (ADHD). METHODS: Fourteen non-medicated school-aged children with ADHD, received 18 training sessions during 6 weeks. Training included walking on a treadmill while negotiating virtual obstacles. Behavioral symptoms, cognition and gait were tested before and after the training and at 6-weeks follow-up...
May 17, 2018: Developmental Neurorehabilitation
https://www.readbyqxmd.com/read/29768429/virtual-reality-method-to-analyze-visual-recognition-in-mice
#16
Brent Kevin Young, Jayden Nicole Brennan, Ping Wang, Ning Tian
Behavioral tests have been extensively used to measure the visual function of mice. To determine how precisely mice perceive certain visual cues, it is necessary to have a quantifiable measurement of their behavioral responses. Recently, virtual reality tests have been utilized for a variety of purposes, from analyzing hippocampal cell functionality to identifying visual acuity. Despite the widespread use of these tests, the training requirement for the recognition of a variety of different visual targets, and the performance of the behavioral tests has not been thoroughly characterized...
2018: PloS One
https://www.readbyqxmd.com/read/29765494/the-oxidant-antioxidant-equilibrium-and-inflammatory-process-indicators-after-an-exercise-test-on-the-alterg-antigravity-treadmill-in-young-amateur-female-athletes
#17
Łukasz Sielski, Paweł Sutkowy, Agnieszka Skopowska, Katarzyna Pawlak-Osińska, Zofia Augustyńska, Katarzyna Hewelt, Radosław Drapała, Alina Woźniak
The AlterG antigravity treadmill allows running with a considerable weight reduction. Physical exercise practiced on this treadmill is an innovative method supporting the treatment of injuries in sports and rehabilitation of patients. The aim of the study was to investigate the effect of a 30 min run on the AlterG treadmill with 80% body weight reduction comparing the effect to the similar effort on the classic treadmill on the redox equilibrium and the activity of selected lysosomal enzymes and a serine protease inhibitor in the blood of amateur minor female volleyball players...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29761113/differences-in-hip-joint-biomechanics-and-muscle-activation-in-individuals-with-femoroacetabular-impingement-compared-with-healthy-asymptomatic-individuals-is-level-ground-gait-analysis-enough
#18
Derek J Rutherford, Janice Moreside, Ivan Wong
Background: Femoroacetabular impingement (FAI) is a recognized cause of hip and groin pain and a significant factor in hip joint function during sport. Objective tests for understanding hip function are lacking in this population. Purpose: To determine whether biomechanical and electromyographic features of hip function during level-ground walking differ between a group diagnosed with FAI and those with no symptoms of FAI. Study Design: Controlled laboratory study...
May 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29760574/seasonal-variations-in-body-composition-maximal-oxygen-uptake-and-gas-exchange-threshold-in-cross-country-skiers
#19
Metin Polat, Selcen Korkmaz Eryılmaz, Sami Aydoğan
Introduction: In order to ensure that athletes achieve their highest performance levels during competitive seasons, monitoring their long-term performance data is crucial for understanding the impact of ongoing training programs and evaluating training strategies. The present study was thus designed to investigate the variations in body composition, maximal oxygen uptake (VO2max ), and gas exchange threshold values of cross-country skiers across training phases throughout a season. Materials and methods: In total, 15 athletes who participate in international cross-country ski competitions voluntarily took part in this study...
2018: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29754274/neuroprotective-and-antinociceptive-effects-of-rosemary-rosmarinus-officinalis-l-extract-in-rats-with-painful-diabetic-neuropathy
#20
Bahram Rasoulian, Zahra Hajializadeh, Saeed Esmaeili-Mahani, Marzieh Rashidipour, Iman Fatemi, Ayat Kaeidi
Diabetes mellitus is associated with the development of neuronal tissue damage in different central and peripheral nervous system regions. A common complication of diabetes is painful diabetic peripheral neuropathy. We have explored the antihyperalgesic and neuroprotective properties of Rosmarinus officinalis L. extract (RE) in a rat model of streptozotocin (STZ)-induced diabetes. The nociceptive threshold and motor coordination of these diabetic rats was assessed using the tail-flick and rotarod treadmill tests, respectively...
May 12, 2018: Journal of Physiological Sciences: JPS
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