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High intensity training

Carey L Holleran, Patrick W Hennessey, Abigail L Leddy, Gordhan B Mahtani, Gabrielle Brazg, Brian D Schmit, T George Hornby
BACKGROUND AND PURPOSE: Previous data suggest that large amounts of high-intensity stepping training in variable contexts (tasks and environments) may improve locomotor function, aerobic capacity, and treadmill gait kinematics in individuals poststroke. Whether similar training strategies are tolerated and efficacious for patients with other acute-onset neurological diagnoses, such as motor incomplete spinal cord injury (iSCI), is unknown. Individuals with iSCI potentially have greater bilateral impairments...
April 2018: Journal of Neurologic Physical Therapy: JNPT
R M Gracia Gozalo, J M Ferrer Tarrés, A Ayora Ayora, M Alonso Herrero, A Amutio Kareaga, R Ferrer Roca
OBJECTIVE: To evaluate the effect of a mindfulness training program on the levels of burnout, mindfulness, empathy and self-compassion among healthcare professionals in an Intensive Care Unit of a tertiary hospital. DESIGN: A longitudinal study with an intrasubject pre-post intervention design was carried out. SETTING: Intensive Care Unit of a tertiary hospital. PARTICIPANTS: A total of 32 subjects (physicians, nurses and nursing assistants) participated in the study...
March 12, 2018: Medicina Intensiva
Rashmi Panda, N B Puhan, Aparna Rao, Debananda Padhy, Ganapati Panda
Retinal nerve fiber layer defect (RNFLD) provides an early objective evidence of structural changes in glaucoma. RNFLD detection is currently carried out using imaging modalities like OCT and GDx which are expensive for routine practice. In this regard, we propose a novel automatic method for RNFLD detection and angular width quantification using cost effective redfree fundus images to be practically useful for computer-assisted glaucoma risk assessment. After blood vessel inpainting and CLAHE based contrast enhancement, the initial boundary pixels are identified by local minima analysis of the 1-D intensity profiles on concentric circles...
March 6, 2018: Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society
Bernardo Costa-Pinel, Santiago Mestre-Miravet, Francisco Barrio-Torrell, Joan-Josep Cabré-Vila, Xavier Cos-Claramunt, Sofía Aguilar-Sanz, Claustre Solé-Brichs, Conxa Castell-Abat, Victoria Arija-Val, Jaana Lindström
BACKGROUND: The DE-PLAN-CAT project (Diabetes in Europe-Prevention using lifestyle, physical activity and nutritional intervention-Catalonia) has shown that an intensive lifestyle intervention is feasible in the primary care setting and substantially reduces the incidence of diabetes among high-risk Mediterranean participants. The DP-TRANSFERS project (Diabetes Prevention-Transferring findings from European research to society) is a large-scale national programme aimed at implementing this intervention in primary care centres whenever feasible...
2018: PloS One
Lieselot Decroix, Cajsa Tonoli, Elodie Lespagnol, Constantino Balestra, Amandine Descat, Marie Jose Drittij-Reijnders, Jamie R Blackwell, Wilhelm Stahl, Andrew M Jones, Antje R Weseler, Aalt Bast, Romain Meeusen, Elsa Heyman
INTRODUCTION: During exercise in hypoxia, O2 delivery to brain and muscle is compromised and oxidative stress is elicited. Cocoa flavanols (CF) have antioxidant capacities and can increase blood flow by stimulating endothelial function. We aimed to examine the effects of 7-day CF intake on oxidative stress, nitric oxide production and tissue oxygenation in response to exercise in hypoxia (14.3% O2 ). METHODS: In a randomized, double blind, cross-over study, 14 well-trained male cyclists completed 4 trials: exercise in normoxia or hypoxia, after 7-day CF or placebo intake...
March 15, 2018: Journal of Applied Physiology
Lilian Roos, Wolfgang Taube, Carolin Tuch, Klaus Michael Frei, Thomas Wyss
PURPOSE: Session rating of perceived exertion (sRPE) is an often used measure to assess athletes' training load. However, little is known which factors could optimize the quality of data collection thereof. The aim of the present study was to investigate the effects of (i) the survey methods and (ii) the time points when sRPE was assessed on the correlation between subjective (sRPE) and objective (heart rate training impulse; TRIMP) assessment of training load. METHODS: In the first part, 45 well-trained subjects (30 men, 15 women) performed 20 running sessions with a heart rate monitor and reported sRPE 30 minutes after training cessation...
March 15, 2018: International Journal of Sports Physiology and Performance
B M Fitzgibbon, K E Hoy, L A Knox, E K Guymer, G Littlejohn, D Elliot, L E Wambeek, S McQueen, K A Elford, S J Lee, P G Enticott, P B Fitzgerald
BACKGROUND: Fibromyalgia is a complex chronic disorder with few effective treatments currently available. One promising treatment option is repetitive Transcranial Magnetic Stimulation (rTMS), a non-invasive brain stimulation technique that has shown promise in disorders effecting the central nervous system. METHODS: We assessed the efficacy of a course of high-frequency (10Hz) left-hemisphere dorsolateral prefrontal cortex (DLPFC) rTMS in 26 patients (14 active; 12 sham) with a diagnosis of fibromyalgia...
March 15, 2018: European Journal of Pain: EJP
Jung-Hoon Lee, Ruda Lee, Moon-Hyon Hwang, Marc T Hamilton, Yoonjung Park
Background: Vascular endothelial dysfunction induced by hyperglycemia and elevated insulin resistance is a potent risk factor for cardiovascular disease and likely contributes to multiple chronic disease complications associated with aging. The aim of this study was to systematically review and quantify the effects of exercise on endothelial function (EF) in type 2 diabetes (T2D). Methods: Five electronic databases were searched (until June 2017) for studies that met the following criteria: (i) randomized controlled trials; (ii) T2D aged ≥ 18 years; (iii) measured EF by brachial artery flow-mediated dilation (FMD); (iv) structured and supervised exercise intervention for ≥ 8 weeks...
2018: Diabetology & Metabolic Syndrome
Naser Naser, Ajmol Ali, Paul Macadam
Futsal, the 5-a-side version of soccer (i.e. 1 goalkeeper and 4 outfield players), was introduced in 1930 and continues to grow in popularity around the world. Competitive games comprise of two 20-min periods of high-intensity and intermittent activities requiring substantial physical, tactical, and technical efforts from the players. A greater understanding of the physical and skill requirements will aid the development of futsal and enable practitioners to undertake appropriate training regimes for the demands of the sport...
December 2017: Journal of Exercise Science and Fitness
Michael D Kennedy, Jessie M S Gill, Alastair N H Hodges
Background: Diagnosing Airway hyper-responsiveness (AHR) requires bronchial provocation tests that are performed at rest and after exercise or hyperventilation in either a lab or field setting. Presently, it is unclear whether the proposed AHR field test for swimming induces sufficient provocation due to lack of intensity. Thus we aimed to examine how the 8 minute field swim test compared to all out racing and a lower intensity practice exposure affected AHR. We hypothesized that the race would affect AHR the most thereby highlighting the importance of maximal effort in swim AHR...
June 2017: Journal of Exercise Science and Fitness
Ronald J Maughan, Louise M Burke, Jiri Dvorak, D Enette Larson-Meyer, Peter Peeling, Stuart M Phillips, Eric S Rawson, Neil P Walsh, Ina Garthe, Hans Geyer, Romain Meeusen, Lucas J C van Loon, Susan M Shirreffs, Lawrence L Spriet, Mark Stuart, Alan Vernec, Kevin Currell, Vidya M Ali, Richard Gm Budgett, Arne Ljungqvist, Margo Mountjoy, Yannis P Pitsiladis, Torbjørn Soligard, Uğur Erdener, Lars Engebretsen
Nutrition usually makes a small but potentially valuable contribution to successful performance in elite athletes, and dietary supplements can make a minor contribution to this nutrition programme. Nonetheless, supplement use is widespread at all levels of sport. Products described as supplements target different issues, including (1) the management of micronutrient deficiencies, (2) supply of convenient forms of energy and macronutrients, and (3) provision of direct benefits to performance or (4) indirect benefits such as supporting intense training regimens...
March 14, 2018: British Journal of Sports Medicine
Kirk B Roberson, Melanie Potiaumpai, Kayla Widdowson, Annmarie Jaghab, Sean Chowdhari, Catherine Armitage, Afton D Seeley, Kevin A Jacobs, Joseph F Signorile
The presence of cardiometabolic syndrome (CMS) infers an increased risk for cardiovascular incidence and mortality, and is associated with reduced health-related quality of life (HRQoL). Although the effects of exercise on biomarkers, HRQoL, and future risk have been studied; no study has measured the effects on all three components. The present study compared the effects of steady-state, moderate-intensity treadmill training (TM) and high-velocity circuit resistance training (HVCRT) on biological markers, HRQoL, and overall CVD risk in adults with CMS and CVD risk factors...
March 14, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
Simone de Campos Neitzke Winter, Rafael Michel de Macedo, Júlio Cesar Francisco, Paula Costa Santos, Ana Paula Sarraff Lopes, Leanderson Franco de Meira, Katherine A Teixeira de Carvalho, José Rocha Faria Neto, Ana Carolina Brandt de Macedo, Luiz César Guarita-Souza
BACKGROUND: Physical exercise should be part of the treatment of post-acute myocardial infarction (AMI) patients. OBJECTIVE: To evaluate the effects of two training prescription models (continuous x interval) and its impact on ventricular function in rats after AMI with normal ventricular function. METHODS: Forty Wistar rats were evaluated by echocardiography 21 days after the AMI. Those with LVEF = 50% (n = 29) were included in the study and randomized to control group (CG n = 10), continuous training group (CTG n = 9) or interval training group (ITG, n = 10)...
March 12, 2018: Arquivos Brasileiros de Cardiologia
Robin A Wilson, William Deasy, Christos G Stathis, Alan Hayes, Matthew B Cooke
Intermittent fasting (IF) and high intensity interval training (HIIT) are effective lifestyle interventions for improving body composition and overall health. However, the long-term effects of IF and potential synergistic effects of combining IF with exercise are unclear. The purpose of the study was to investigate the long-term effects of IF, with or without HIIT, on body composition and markers of metabolic health in diet-induced obese mice. In a randosmised, controlled design, 8-week-old C57BL/6 mice (males ( n = 39) and females ( n = 49)) were fed a high fat (HF) and sugar (S) water diet (30% ( w / v )) for 24-weeks but were separated into five groups at 12-weeks: (1) 'obese' baseline control (OBC); (2) no intervention (CON); (3) intermittent fasting (IF); (4) high intensity intermittent exercise (HIIT) and (5) combination of dietary and exercise intervention (IF + HIIT)...
March 12, 2018: Nutrients
Kieran N Kilcawley, Hope Faulkner, Holly J Clarke, Maurice G O'Sullivan, Joseph P Kerry
There has been a surge in interest in relation to differentiating dairy products derived from pasture versus confined systems. The impact of different forage types on the sensory properties of milk and cheese is complex due to the wide range of on farm and production factors that are potentially involved. The main effect of pasture diet on the sensory properties of bovine milk and cheese is increased yellow intensity correlated to β-carotene content, which is a possible biomarker for pasture derived dairy products...
March 13, 2018: Foods (Basel, Switzerland)
David C Schwebel, Joan Severson, Yefei He
Various programs effectively teach children to cross streets more safely, but all are labor- and cost-intensive. Recent developments in mobile phone technology offer opportunity to deliver virtual reality pedestrian environments to mobile smartphone platforms. Such an environment may offer a cost- and labor-effective strategy to teach children to cross streets safely. This study evaluated usability, feasibility, and validity of a smartphone-based virtual pedestrian environment. A total of 68 adults completed 12 virtual crossings within each of two virtual pedestrian environments, one delivered by smartphone and the other a semi-immersive kiosk virtual environment...
September 2017: Virtual Reality
Kenji Kuzuhara, Kanako Katai, Tatsuya Hojo, Yoshihiko Fujisawa, Misaka Kimura, Yasuyoshi Yanagida, Yosuke Yamada, Junta Iguchi
Well-controlled seasonal distribution of training intensity appears to be an important variable for endurance athletes' success as competitors and/or for avoidance of overtraining. The aim of this study was to examine the interrelationships of training distribution, body composition, energy intake/expenditure, and rowing ergometer performance throughout the 2012-2013 season. In the present study of 15 collegiate male rowers, most of whom started rowing during their time at the university, we divided the 2012-2013 season (total 37 weeks) into 3 phases (off-season, December to mid-March, 16 weeks; pre-season, late March to April, 5 weeks; and in-season, May to August, 16 weeks) and analyzed the transition of 2000-m rowing ergometer time, training intensity/volume, body composition (body weight and body fat) and energy intake/expenditure in each phase...
March 6, 2018: Journal of Strength and Conditioning Research
Timothy J H Lathlean, Paul B Gastin, Stuart Newstead, Caroline F Finch
Well-developed physical qualities such as high jumping ability, running endurance, acceleration and speed can help aspiring junior elite Australian football (AF) players transition to the Australian Football League competition. In order to do so, players need to experience sufficient load in order to enhance their physical resilience without increasing their risk of negative outcomes in terms of impaired wellness or injury. The aim of this study was to investigate the differences in load for different levels of competition and training modes across one competitive season...
March 6, 2018: Journal of Strength and Conditioning Research
A Delextrat, M Gruet, F Bieuzen
The aim of the current study was to compare the effects of 6 weeks of small-sided game (SSG) and high-intensity interval training (HIIT) on aerobic fitness and muscle oxygenation during a repeated sprint (RS) sequence in elite male junior basketball players. Twenty participants (14.3 ± 0.5 years; 176.8 ± 12.5 cm; 74.5 ± 9.8 kg) performed pre- and post-tests interspersed by 6-weeks of SSG or HIIT training. Testing sessions consisted of the 30-15 Intermittent Fitness Test and a RS sequence (two bouts of 15-s)...
March 6, 2018: Journal of Strength and Conditioning Research
Jonas Verbrugghe, Anouk Agten, Bert O Eijnde, Enzo Olivieri, Xavier Huybrechts, Henk Seelen, Frank Vandenabeele, Annick Timmermans
BACKGROUND: Although low to moderate intensity exercise therapy is a predominant part of rehabilitation in nonspecific chronic low back pain (NSCLBP), effect sizes are small and optimal exercise modalities/intensities are unclear. Conversely, effects of high intensity training have not yet been investigated in this population. OBJECTIVE: The aim of this study is to investigate the feasibility of high intensity training (HIT) and to explore the magnitude of the effects of a HIT program may have on exercise capacity and disease related outcome measures compared to conventional therapy for persons with NSCLBP...
March 2, 2018: Journal of Back and Musculoskeletal Rehabilitation
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