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High intensity interval training HIIT

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https://www.readbyqxmd.com/read/29452134/effect-of-high-intensity-interval-training-on-cardiac-function-in-children-with-obesity-a-randomised-controlled-trial
#1
REVIEW
Charlotte B Ingul, Katrin A Dias, Arnt E Tjonna, Turid Follestad, Mansoureh S Hosseini, Anita S Timilsina, Siri M Hollekim-Strand, Torstein B Ro, Peter S W Davies, Peter A Cain, Gary M Leong, Jeff S Coombes
BACKGROUND: High intensity interval training (HIIT) confers superior cardiovascular health benefits to moderate intensity continuous training (MICT) in adults and may be efficacious for improving diminished cardiac function in obese children. The aim of this study was to compare the effects of HIIT, MICT and nutrition advice interventions on resting left ventricular (LV) peak systolic tissue velocity (S') in obese children. METHODS: Ninety-nine obese children were randomised into one of three 12-week interventions, 1) HIIT [n = 33, 4 × 4 min bouts at 85-95% maximum heart rate (HR max ), 3 times/week] and nutrition advice, 2) MICT [n = 32, 44 mins at 60-70% HR max , 3 times/week] and nutrition advice, and 3) nutrition advice only (nutrition) [n = 34]...
February 13, 2018: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/29446245/differential-metabolic-effects-of-constant-moderate-versus-high-intensity-interval-training-in-high-fat-fed-mice-possible-role-of-muscle-adiponectin
#2
Sergio F Martinez-Huenchullan, Babu Raja Maharjan, Paul F Williams, Charmaine S Tam, Susan V Mclennan, Stephen M Twigg
Exercise regimens may have differing effects in the presence of obesity. In addition to being fat derived, adiponectin has recently been described as a myokine that regulates insulin sensitivity, which may link to exercise-related metabolic benefits in obesity. Whether skeletal muscle adiponectin varies in different exercise modalities is unclear. This study investigated the comparative effects of 10 weeks of endurance constant-moderate intensity exercise (END) with high intensity interval training (HIIT), on metabolic outcomes, including muscle adiponectin in a mouse model of diet-induced obesity...
February 2018: Physiological Reports
https://www.readbyqxmd.com/read/29436120/intermittent-exercise-and-insulin-sensitivity-in-older-individuals-it-s-a-hiit
#3
EDITORIAL
Martin J Gibala
The paper by Søgaard et al.1 in this issue of Acta Physiologica sheds new light on the potential for high-intensity interval training (HIIT) to improve insulin sensitivity and other indices of cardiometabolic health in older individuals. While interval training has been practiced by high-level athletes for more than a century, the last decade in particular has seen a resurgence of interest in the method as a means to enhance health in a wide range of individuals. Renewed scientific inquiry has been accompanied by increased attention from fitness enthusiasts, as evidenced by the fact that HIIT was again recently named the top fitness trend worldwide in an annual survey by the American College of Sports Medicine...
February 12, 2018: Acta Physiologica
https://www.readbyqxmd.com/read/29431478/high-intensity-interval-training-improves-inflammatory-and-adipokine-profiles-in-postmenopausal-women-with-metabolic-syndrome
#4
Flávia Mariel Steckling, Juliano Boufleur Farinha, Felipe da Cunha Figueiredo, Daniela Lopes Dos Santos, Guilherme Bresciani, Nélson Alexandre Kretzmann, Sílvio Terra Stefanello, Aline Alves Courtes, Maristela de Oliveira Beck, Manuela Sangoi Cardoso, Marta Maria Medeiros Frescura Duarte, Rafael Noal Moresco, Félix Alexandre Antunes Soares
This study investigate the effects of high-intensity interval training (HIIT) on systemic levels of inflammatory and hormonal markers in postmenopausal women with metabolic syndrome (MS). Fifteen postmenopausal women with MS completed the training on treadmills. Functional, body composition parameters, maximal oxygen uptake (VO 2 max), and lipid profile were assessed before and after HIIT. Serum or plasma levels of cytokines and hormonal markers were measured along the intervention. The analysis of messenger RNA (mRNA) expression of these cytokines was performed in peripheral blood mononuclear cells (PBMC)...
February 12, 2018: Archives of Physiology and Biochemistry
https://www.readbyqxmd.com/read/29424402/-effects-of-high-intensity-interval-training-on-blood-pressure-in-hypertensive-subjects
#5
María Angélica Olea, Rodrigo Mancilla, Sergio Martínez, Erik Díaz
BACKGROUND: Exercise training may reduce blood pressure. AIM: To determine the effects of a high intensity interval training (HIIT) exercise protocol on systolic and diastolic blood pressure in hypertensive subjects. MATERIAL AND METHODS: Eleven men and 27 women aged 46.4 ± 9.8 years were divided in two groups according to their blood pressure. Sixteen were classified as normotensive and 22 as hypertensive. All attended an exercise program with 3 sessions per week for a total of 24 sessions...
September 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/29424267/metabolism-and-exercise-during-youth-the-year-that-was-2017
#6
Keith Tolfrey, Julia Kirstey Zakrzewski-Fruer, Alice Emily Thackray
Two publications were selected because they are excellent representations of studies examining different ends of the exercise-sedentary behavior continuum in young people. The first study is an acute response study with 13 mixed-sex, mid to late adolescents presenting complete data from 4 different randomized experimental crossover conditions for analyses. Continuous glucose monitoring showed that interrupting prolonged continuous sitting with body-weight resistance exercises reduced the postprandial glucose concentration compared with a time-matched uninterrupted period of sitting...
February 9, 2018: Pediatric Exercise Science
https://www.readbyqxmd.com/read/29416382/high-intensity-interval-training-versus-moderate-intensity-continuous-training-within-cardiac-rehabilitation-a-systematic-review-and-meta-analysis
#7
REVIEW
Amanda L Hannan, Wayne Hing, Vini Simas, Mike Climstein, Jeff S Coombes, Rohan Jayasinghe, Joshua Byrnes, James Furness
Background: Aerobic capacity has been shown to be inversely proportionate to cardiovascular mortality and morbidity and there is growing evidence that high-intensity interval training (HIIT) appears to be more effective than moderate-intensity continuous training (MICT) in improving cardiorespiratory fitness within the cardiac population. Previously published systematic reviews in cardiovascular disease have neither investigated the effect that the number of weeks of intervention has on cardiorespiratory fitness changes, nor have adverse events been collated...
2018: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29414244/the-influence-of-high-intensity-interval-training-and-moderate-intensity-continuous-training-on-sedentary-time-in-overweight-and-obese-adults
#8
Sean Francis Nugent, Mary E Jung, Jessica E Bourne, Jason Loeppky, Abigail Arnold, Jonathan P Little
High intensity interval training (HIIT) elicits health benefits but it is unclear how HIIT impacts sedentary behaviour. In this preliminary study, we compared the effects of supervised HIIT or moderate intensity continuous training (MICT) on sedentary time in overweight/obese adults. In both groups, percentage of time spent in sedentary activities was significantly reduced during the supervised exercise intervention (time main effect, p = .03) suggesting that both HIIT and MICT replaced time spent previously being sedentary...
February 7, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29408567/influence-of-high-intensity-interval-training-on-ventilatory-efficiency-in-trained-athletes
#9
Eduardo Salazar-Martínez, Alfredo Santalla, José Naranjo Orellana, Jochen Strobl, Martin Burtscher, Verena Menz
The aim of this study was to investigate the effects of 3 weeks high-intensity interval training (HIIT) on ventilatory efficiency (VE/VCO2 slope) in endurance athletes. Sixteen male well-trained (67.72 ml kg min-1) athletes participated in this study. Each participant performed an incremental exercise test with gas analysis (i.e. VE, VO2) and a 400 m running field test (T400m) before and after the 3 weeks intervention period. HIIT group (HIITG) performed 11 HIIT sessions consisting of four 4-min interval bouts at an exercise intensity of 90-95% of the VO2max, separated by 4-min active recovery periods (work/rest ratio = 1:1)...
January 30, 2018: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/29400623/energy-expenditure-and-epoc-between-water-based-high-intensity-interval-training-and-moderate-intensity-continuous-training-sessions-in-healthy-women
#10
Gustavo Zaccaria Schaun, Stephanie Santana Pinto, Aline Borges de Carvalho Praia, Cristine Lima Alberton
The present study compared the energy expenditure (EE) during and after two water aerobics protocols, high-intensity interval training (HIIT) and moderate continuous training (CONT). A crossover randomized design was employed comprising 11 healthy young women. HIIT consisted of eight 20s bouts at 130% of the cadence associated with the maximal oxygen consumption (measured in the aquatic environment) with 10s passive rest. CONT corresponded to 30 min at a heart rate equivalent to 90-95% of the second ventilatory threshold...
February 5, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29396978/high-intensity-interval-training-frequency-cardiometabolic-effects-and-quality-of-life
#11
Pinelopi S Stavrinou, Gregory C Bogdanis, Christoforos D Giannaki, Gerasimos Terzis, Marios Hadjicharalambous
The effects of high intensity interval training (HIIT) frequency on cardiometabolic health and quality of life were examined in 35 healthy inactive adults (age: 31.7±2.6 yrs, VO2peak: 32.7±7.4 ml·: kg-1 ·: min-1). Participants were randomly assigned to a control (CON) and two training groups, which performed 10×60-s cycling at ~83% of peak power, two (HIIT-2) or three times per week (HIIT-3) for eight weeks. Compared with CON, both training regimes resulted in similar improvements in VO2peak (HIIT-2: 10...
February 2, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29368530/physiological-perceptual-and-affective-responses-to-six-high-intensity-interval-training-protocols
#12
Lucio Follador, Ragami C Alves, Sandro Dos S Ferreira, Cosme F Buzzachera, Vinicius F Dos S Andrade, Erick D S de A Garcia, Raul Osiecki, Sara C Barbosa, Letícia M de Oliveira, Sergio G da Silva
This study examined the extent to which different high-intensity interval training (HIIT) and sprint interval training (SIT) protocols could influence psychophysiological responses in moderately active young men. Fourteen participants completed, in a randomized order, three cycling protocols (SIT: 4 × 30-second all-out sprints; Tabata: 7 × 20 seconds at 170% ⋮O2max; and HIIT: 10 × 60 seconds at 90% HRmax) and three running HIIT protocols (4 × 4 minutes at 90%-95% HRmax, 5 × at v⋮O2max, and 4 × 1,000 meters at a rating of perceived exertion (RPE) of 8, from the OMNI-Walk/Run scale)...
January 1, 2018: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/29349712/highly-favorable-physiological-responses-to-concurrent-resistance-and-high-intensity-interval-training-during-chemotherapy-the-optitrain-breast-cancer-trial
#13
Sara Mijwel, Malin Backman, Kate A Bolam, Emil Olofsson, Jessica Norrbom, Jonas Bergh, Carl Johan Sundberg, Yvonne Wengström, Helene Rundqvist
BACKGROUND: Advanced therapeutic strategies are often accompanied by significant adverse effects, which warrant equally progressive countermeasures. Physical exercise has proven an effective intervention to improve physical function and reduce fatigue in patients undergoing chemotherapy. Effects of high-intensity interval training (HIIT) in this population are not well established although HIIT has proven effective in other clinical populations. The aim of the OptiTrain trial was to examine the effects of concurrent resistance and high-intensity interval training (RT-HIIT) or concurrent moderate-intensity aerobic and high-intensity interval training (AT-HIIT), to usual care (UC) on pain sensitivity and physiological outcomes in patients with breast cancer during chemotherapy...
January 18, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29344913/cardiac-basal-autophagic-activity-and-increased-exercise-capacity
#14
Fang-Hui Li, Tao Li, Ying-Min Su, Jing-Yi Ai, Rui Duan, Timon Cheng-Yi Liu
To investigate whether high-intensity interval training (HIIT) and continuous moderate-intensity training (CMT) have different impacts on exercise performance and cardiac function and to determine the influence of these exercise protocols on modulating basal autophagy in the cardiac muscle of rats. Rats were assigned to three groups: sedentary control (SC), CMT, and HIIT. Total exercise volume and mean intensity were matched between the two protocols. After a 10-week training program, rats were evaluated for exercise performance, including exercise tolerance and grip strength...
January 17, 2018: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/29338015/exercise-induced-circulating-microrna-changes-in-athletes-in-various-training-scenarios
#15
Martin Horak, Filip Zlamal, Robert Iliev, Jan Kucera, Jan Cacek, Lenka Svobodova, Zuzana Hlavonova, Tomas Kalina, Ondrej Slaby, Julie Bienertova-Vasku
BACKGROUND: The aim of the study was to compare selected extracellular miRNA levels (miR-16, miR-21, miR-93 and miR-222 with the response to 8-week-long explosive strength training (EXPL), hypertrophic strength training (HYP) and high-intensity interval training (HIIT). METHODS: 30 young male athletes of white European origin (mean age: 22.5 ± 4.06 years) recruited at the Faculty of Sports Studies of Masaryk University were enrolled in this study. The study participants were randomly assigned to three possible training scenarios: EXPL, HYP or HITT and participated in 8-week-long program in given arm...
2018: PloS One
https://www.readbyqxmd.com/read/29335797/high-intensity-aerobic-interval-training-can-lead-to-improvement-in-skeletal-muscle-power-among-in-hospital-patients-with-advanced-heart-failure
#16
Masanobu Taya, Eisuke Amiya, Masaru Hatano, Hisataka Maki, Daisuke Nitta, Akihito Saito, Masaki Tsuji, Yumiko Hosoya, Shun Minatsuki, Astuko Nakayama, Takayuki Fujiwara, Yuto Konishi, Kazuhiko Yokota, Masafumi Watanabe, Hiroyuki Morita, Nobuhiko Haga, Issei Komuro
This study investigated the effectiveness and safety of interval training during in-hospital treatment of patients with advanced heart failure. Twenty-four consecutive patients with advanced symptomatic heart failure who were referred for cardiac transplant evaluation were recruited. After performing aerobic exercise for approximate intensity, high-intensity interval training (HIIT) was performed. The protocol consisted of 3 or 4 sessions of 1-min high-intensity exercise aimed at 80% of peak VO2 or 80% heart rate reserve, followed by 4-min recovery periods of low intensity...
January 15, 2018: Heart and Vessels
https://www.readbyqxmd.com/read/29332919/high-intensity-interval-training-for-severe-left-ventricular-dysfunction-treated-with-left-ventricular-assist-device
#17
Yusuke Ugata, Hiroshi Wada, Kenichi Sakakura, Tatsuro Ibe, Miyuki Ito, Nahoko Ikeda, Hideo Fujita, Shin-Ichi Momomura
Aerobic training based on anaerobic threshold (AT) is well-known to improve cardiac function, exercise capacity, and long-term outcomes of patients with heart failure. Recent reports suggested that high-intensity interval training (HIIT) for patients with cardiovascular disease may improve cardiopulmonary exercise capacity. We present a 61-year-old male patient of severe left ventricular dysfunction with left ventricular assisted device (LVAD). Following HIIT for 8 weeks, exercise capacity and muscle strength have improved without worsening left ventricular function...
January 15, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29329778/high-intensity-interval-training-versus-continuous-training-on-physiological-and-metabolic-variables-in-prediabetes-and-type-2-diabetes-a-meta-analysis
#18
REVIEW
Angélica Trevisan De Nardi, Tainara Tolves, Thatiane Larissa Lenzi, Luis Ulisses Signori, Antônio Marcos Vargas da Silva
AIMS: To compare the effects of high-intensity interval training (HIIT) versus moderate-intensity continuous training (MICT) on functional capacity and cardiometabolic markers in individuals prediabetes and type 2 diabetes (T2D). METHODS: The search was performed in PubMed (MEDLINE), EMBASE, PEDro, CENTRAL, Scopus, LILACS database, and Clinical Trials from the inception to July 2017, included randomized clinical trials that compared the use of HIIT and MICT in prediabetes and T2D adults...
January 9, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29313359/effects-of-different-aerobic-exercise-programmes-with-nutritional-intervention-in-sedentary-adults-with-overweight-obesity-and-hypertension-exerdiet-hta-study
#19
Ilargi Gorostegi-Anduaga, Pablo Corres, Aitor MartinezAguirre-Betolaza, Javier Pérez-Asenjo, G Rodrigo Aispuru, Simon M Fryer, Sara Maldonado-Martín
Background Both exercise training and diet are recommended to prevent and control hypertension and overweight/obesity. Purpose The purpose of this study was to determine the effectiveness of different 16-week aerobic exercise programmes with hypocaloric diet on blood pressure, body composition, cardiorespiratory fitness and pharmacological treatment. Methods Overweight/obese, sedentary participants ( n = 175, aged 54.0 ± 8.2 years) with hypertension were randomly assigned into an attention control group (physical activity recommendations) or one of three supervised exercise groups (2 days/week: high-volume with 45 minutes of moderate-intensity continuous training (MICT), high-volume and high-intensity interval training (HIIT), alternating high and moderate intensities, and low-volume HIIT (20 minutes))...
January 1, 2018: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/29302585/high-intensity-interval-training-increases-natural-killer-cell-number-and-function-in-obese-breast-cancer-challenged-mice-and-obese-women
#20
Nicole G Barra, Isabella Y Fan, Jenna B Gillen, Marianne Chew, Katarina Marcinko, Gregory R Steinberg, Martin J Gibala, Ali A Ashkar
High intensity interval training (HIIT) boosts natural killer (NK) cell number and activity in normal weight breast cancer patients; however, whether this occurs in obese individuals is not well established. The goal of this study was to determine whether HIIT effectively boosts NK cells as a therapeutic strategy against breast cancer in an obese mouse model and in overweight/obese women. Diet induced female C57Bl/6 obese mice were assigned to undergo HIIT for four weeks or remain sedentary. Female participants were subjected to a six weeks HIIT protocol...
December 2017: Journal of Cancer Prevention
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