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High intensity interval training HIIT

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https://www.readbyqxmd.com/read/29222739/effects-of-two-aerobic-exercise-training-protocols-on-parameters-of-oxidative-stress-in-the-blood-and-liver-of-obese-rats
#1
Daniela Delwing-de Lima, Ariene Sampaio Souza Farias Ulbricht, Carla Werlang-Coelho, Débora Delwing-Dal Magro, Victor Hugo Antonio Joaquim, Eloise Mariani Salamaia, Silvana Rodrigues de Quevedo, Larissa Desordi
We evaluated the effects of moderate-intensity continuous training (MICT) and high-intensity interval training (HIIT) protocols on the alterations in oxidative stress parameters caused by a high-fat diet (HFD), in the blood and liver of rats. The HFD enhanced thiobarbituric acid reactive substances (TBA-RS) and protein carbonyl content, while reducing total sulfhydryl content and catalase (CAT) and glutathione peroxidase (GSH-Px) activities in the blood. Both training protocols prevented an increase in TBA-RS and protein carbonyl content, and prevented a reduction in CAT...
December 8, 2017: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/29214526/high-intensity-interval-training-lowers-blood-pressure-and-improves-apelin-and-nox-plasma-levels-in-older-treated-hypertensive-individuals
#2
Mohammad Reza Izadi, Alireza Ghardashi Afousi, Maryam Asvadi Fard, Mohammad Ali Babaee Bigi
Hypertension is the major risk factor for cardiovascular diseases and is one of the primary causes of morbidity and mortality worldwide. Apelin levels and NO bioavailability are impaired in older hypertensive patients. Exercise is an effective intervention for treating hypertension. Our purpose was to evaluate the effect of high-intensity interval training on blood pressure, apelin, and NOx plasma levels in older treated hypertensive individuals. Thirty treated hypertensive subjects (61.70 ± 5.78 years, 17 males, 13 females) were randomly divided into 6 weeks of high-intensity interval training (n = 15) and control (n = 15)...
December 6, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/29212859/human-hair-follicle-transcriptome-profiling-a-minimally-invasive-tool-to-assess-molecular-adaptations-upon-low-volume-high-intensity-interval-training
#3
Jing Zhang, Sarah J Wallace, Maria Y Shiu, Ingrid Smith, Shawn G Rhind, Valerie S Langlois
High-intensity interval training (HIIT) has become a popular fitness training approach under both civilian and military settings. Consisting of brief and intense exercise intervals, HIIT requires less time commitment yet is able to produce the consistent targeted physical adaptations as conventional endurance training. To effectively characterize and monitor HIIT-induced cellular and molecular responses, a highly accessible yet comprehensive biomarker discovery source is desirable. Both gene differential expression (DE) and gene set (GS) analyses were conducted using hair follicle transcriptome established from pre and postexercise subjects upon a 10-day HIIT program by RNA-Seq, Comparing between pre and posttraining groups, differentially expressed protein coding genes were identified...
December 2017: Physiological Reports
https://www.readbyqxmd.com/read/29199186/neural-adaptations-after-short-term-wingate-based-high-intensity-interval-training
#4
A Vera-Ibañez, D Colomer-Poveda, S Romero-Arenas, M Viñuela-García, G Márquez
OBJECTIVES: This study examined the neural adaptations associated with a low-volume Wingate-based High Intensity Interval Training (HIIT). METHODS: Fourteen recreationally trained males were divided into an experimental (HIIT) and a control group to determine whether a short-term (4 weeks) Wingate-based HIIT program could alter the Hoffmann (H-) reflex, volitional (V-) wave and maximum voluntary contraction (MVC) of the plantar-flexor muscles, and the peak power achieved during a Wingate test...
December 1, 2017: Journal of Musculoskeletal & Neuronal Interactions
https://www.readbyqxmd.com/read/29198993/cardiovascular-benefits-of-combined-interval-training-and-post-exercise-nutrition-in-type-2-diabetes
#5
Monique E Francois, Kevin J Pistawka, Frank A Halperin, Jonathan P Little
AIM: The purpose of this study was to examine whether the combination of high-intensity interval training (HIIT) and post-exercise protein supplementation would improve cardiovascular outcomes in individuals with T2D. METHODS: In a double-blind controlled trial, fifty-three adults with T2D (free of CVD and not on exogenous insulin) were randomized to 12weeks of cardio and resistance-based HIIT (4-10×1min at 90% maximal heart rate) with post-exercise milk, milk-protein, or placebo supplementation, thrice weekly...
November 29, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/29197155/high-intensity-interval-training-improves-insulin-sensitivity-in-older-individuals
#6
D Søgaard, M T Lund, C M Scheuer, M S Dehlbaek, S G Dideriksen, C V Abildskov, K K Christensen, T L Dohlmann, S Larsen, A H Vigelsø, F Dela, J W Helge
AIM: Metabolic health may deteriorate with age as a result of altered body composition and decreased physical activity. Endurance exercise is known to counter these changes delaying or even preventing onset of metabolic diseases. High-intensity interval training (HIIT) is a time efficient alternative to regular endurance exercise and the aim of this study is to investigate the metabolic benefit of HIIT in older subjects. METHODS: 22 sedentary male (n=11) and female (n=11) subjects aged 63 ± 1 years performed HIIT training three times/week for six weeks on a bicycle ergometer...
December 2, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/29189854/-effects-of-a-high-intensity-interval-training-on-the-aerobic-capacity-of-adolescents
#7
Álvaro Huerta Ojeda, Sergio Galdames Maliqueo, Marianela Cataldo Guerra, Guillermo Barahona Fuentes, Tania Rozas Villanueva, Pablo Cáceres Serrano
BACKGROUND: If aerobic capacity is stimulated early in life, maximal oxygen consumption during adulthood is assured. AIM: To analyze the effects of a high intensity interval training (HIIT) in adolescents on the maximal oxygen consumption (VO2max) measured using the 20-m shuttle run test (20mSRT). MATERIAL AND METHODS: Twenty eight teenagers aged 13 ± 0.6 years were divided in two groups of 14 subjects each. One group was to a 16 sessions of HIIT interval training based on their individual maximal aerobic speed and the other continued with their usual exercise done at school...
August 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/29182192/-effects-of-high-intensity-interval-training-and-nutritional-education-in-patients-with-type-2-diabetes
#8
Pedro Mangiamarchi, Alexis Caniuqueo, Rodrigo Ramírez-Campillo, Patricio Cárdenas, Sylvana Morales, Johnattan Cano-Montoya, Guilherme Bresciani, Cristian Álvarez
BACKGROUND: High-intensity interval training (HIIT) improves cardiometabolic markers, but its effects on the quality of life of patients with type 2 diabetes (T2D) is not well known. AIM: To determine the effects of a 12-week HIIT exercise program on cardiometabolic and quality of life variables of T2D patients. MATERIAL AND METHODS: Nine T2D women were assigned to a HIIT + nutritional education (GE) and 10, to a nutritional education alone group (GC)...
July 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/29170696/speed-and-circuit-based-high-intensity-interval-training-on-recovery-oxygen-consumption
#9
Lindsay N Schleppenbach, Andreas B Ezer, Sarah A Gronemus, Katelyn R Widenski, Saori I Braun, Jeffrey M Janot
Due to the current obesity epidemic in the United States, there is growing interest in efficient, effective ways to increase energy expenditure and weight loss. Research has shown that high-intensity exercise elicits a higher Excess Post-Exercise Oxygen Consumption (EPOC) throughout the day compared to steady-state exercise. Currently, there is no single research study that examines the differences in Recovery Oxygen Consumption (ROC) resulting from high-intensity interval training (HIIT) modalities. The purpose of this study is to review the impact of circuit training (CT) and speed interval training (SIT), on ROC in both regular exercising and sedentary populations...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/29165732/effect-of-melatonin-supplementation-on-antioxidant-status-and-dna-damage-in-high-intensity-trained-athletes
#10
Manuel Ortiz-Franco, Elena Planells, Bartholomé Quintero, Dario Acuña-Castroviejo, Iryna Rusanova, Germaine Escames, Jorge Molina-López
The aim of the study was to evaluate the effect of melatonin supplementation on antioxidant capacity and DNA damage in high intensity interval training (HIIT) athletes. A 2-week randomised, double-blinded, placebo-controlled trial with two groups was conducted. Placebo (PG) and melatonin (MG) (20 mg/d) athletes were monitored over a two-week period of HIIT and strength training. The total antioxidant capacity (TAC) and the glutathione peroxidase (GPx) and superoxide dismutase (SOD) activities were analysed in blood samples...
November 17, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29164363/can-we-hiit-cancer-if-we-attack-inflammation
#11
Efthymios Papadopoulos, Daniel Santa Mina
Physical exercise offers numerous health-related benefits to individuals with cancer. Epidemiologic research has primarily been concerned with conventional exercise training that aligns with the recommendations of 150 min of moderate to vigorous physical activity per week. These recommendations are safe and effective at improving physical and psychosocial outcomes. Given the extensive evidence for generalized physical activity, researchers have begun to explore novel training regimens that may provide additional health benefits and/or improved adherence...
November 21, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/29164325/effects-of-recreational-football-on-women-s-fitness-and-health-adaptations-and-mechanisms
#12
REVIEW
Peter Krustrup, Eva Wulff Helge, Peter R Hansen, Per Aagaard, Marie Hagman, Morten B Randers, Maysa de Sousa, Magni Mohr
The review describes the fitness and health effects of recreational football in women aged 18-65 years. The review documents that 2 × 1 h of recreational football training for 12-16 weeks causes marked improvements in maximal oxygen uptake (5-15%) and myocardial function in women. Moreover, mean arterial blood pressure was shown to decrease by 2-5 mmHg in normotensive women and 6-8 mmHg in hypertensive women. This review also show that short-term (< 4 months) and medium-term (4-16 months) recreational football training has major beneficial impact on metabolic health profile in women, with fat losses of 1-3 kg and improvements in blood lipid profile...
November 21, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29159914/gaba-concentration-in-sensorimotor-cortex-following-high-intensity-exercise-and-relationship-to-lactate-levels
#13
James P Coxon, Robin F H Cash, Joshua J Hendrikse, Nigel C Rogasch, Ellen Stavrinos, Chao Suo, Murat Yücel
High-intensity exercise increases the concentration of circulating lactate. Cortical uptake of blood borne lactate increases during and following exercise, however the potential relationship with changes in the concentration of neurometabolites remains unclear. While changes in neurometabolite concentration have previously been demonstrated in primary visual cortex following exercise, it remains unknown whether these changes extend to regions such as sensorimotor cortex (SM) or executive regions such as dorsolateral prefrontal cortex (DLPFC)...
November 21, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/29143594/the-gene-smart-study-method-study-design-and-preliminary-findings
#14
REVIEW
Xu Yan, Nir Eynon, Ioannis D Papadimitriou, Jujiao Kuang, Fiona Munson, Oren Tirosh, Lannie O'Keefe, Lyn R Griffiths, Kevin J Ashton, Nuala Byrne, Yannis P Pitsiladis, David J Bishop
The gene SMART (genes and the Skeletal Muscle Adaptive Response to Training) Study aims to identify genetic variants that predict the response to both a single session of High-Intensity Interval Exercise (HIIE) and to four weeks of High-Intensity Interval Training (HIIT). While the training and testing centre is located at Victoria University, Melbourne, three other centres have been launched at Bond University, Queensland University of Technology, Australia, and the University of Brighton, UK. Currently 39 participants have already completed the study and the overall aim is to recruit 200 moderately-trained, healthy Caucasians participants (all males 18-45 y, BMI < 30)...
November 14, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29139007/adding-high-intensity-interval-training-to-conventional-training-modalities-optimizing-health-related-outcomes-during-chemotherapy-for-breast-cancer-the-optitrain-randomized-controlled-trial
#15
Sara Mijwel, Malin Backman, Kate A Bolam, Anna Jervaeus, Carl Johan Sundberg, Sara Margolin, Maria Browall, Helene Rundqvist, Yvonne Wengström
PURPOSE: Exercise training is an effective and safe way to counteract cancer-related fatigue (CRF) and to improve health-related quality of life (HRQoL). High-intensity interval training has proven beneficial for the health of clinical populations. The aim of this randomized controlled trial was to compare the effects of resistance and high-intensity interval training (RT-HIIT), and moderate-intensity aerobic and high-intensity interval training (AT-HIIT) to usual care (UC) in women with breast cancer undergoing chemotherapy...
November 14, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29127602/effect-of-high-intensity-interval-training-on-total-abdominal-and-visceral-fat-mass-a-meta-analysis
#16
REVIEW
Florie Maillard, Bruno Pereira, Nathalie Boisseau
BACKGROUND: High-intensity interval training (HIIT) is promoted as a time-efficient strategy to improve body composition. OBJECTIVE: The aim of this meta-analysis was to assess the efficacy of HIIT in reducing total, abdominal, and visceral fat mass in normal-weight and overweight/obese adults. METHODS: Electronic databases were searched to identify all related articles on HIIT and fat mass. Stratified analysis was performed using the nature of HIIT (cycling versus running, target intensity), sex and/or body weight, and the methods of measuring body composition...
November 10, 2017: Sports Medicine
https://www.readbyqxmd.com/read/29124325/changes-in-fat-oxidation-in-response-to-various-regimes-of-high-intensity-interval-training-hiit
#17
REVIEW
Todd Anthony Astorino, Matthew M Schubert
Increased whole-body fat oxidation (FOx) has been consistently demonstrated in response to moderate intensity continuous exercise training. Completion of high intensity interval training (HIIT) and its more intense form, sprint interval training (SIT), has also been reported to increase FOx in different populations. An explanation for this increase in FOx is primarily peripheral adaptations via improvements in mitochondrial content and function. However, studies examining changes in FOx are less common in response to HIIT or SIT than those determining increases in maximal oxygen uptake which is concerning, considering that FOx has been identified as a predictor of weight gain and glycemic control...
November 9, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29114503/effects-of-long-or-short-duration-stimulus-during-high-intensity-interval-training-on-physical-performance-energy-intake-and-body-composition
#18
Elaine Domingues Alves, Gabriela Pires Salermo, Valéria Leme Gonçalves Panissa, Emerson Franchini, Monica Yuri Takito
To compare the effects of 6 weeks of long or short high-intensity interval training (long- or short-HIIT) on body composition, hunger perception, food intake and rating of perceived exertion (RPE). Twenty previously untrained women (25±5 years) were randomly assigned to do a long-HIIT (n=10) or a short-HIIT (n=10). The long-HIIT group performed fifteen 1-min bouts at 90% of maximum heart rate (HRmax), interspersed by 30-sec active recovery (60% HRmax). The short-HIIT group performed forty-five 20-sec bouts at 90% of HRmax, interspersed by 10-sec active recovery (60% HRmax)...
August 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29111230/high-intensity-interval-training-modulates-hippocampal-oxidative-stress-bdnf-and-inflammatory-mediators-in-rats
#19
Daniel A Freitas, Etel Rocha-Vieira, Bruno A Soares, Luiza F Nonato, Sueli R Fonseca, Jeanne B Martins, Vanessa Amaral Mendonça, Ana C Lacerda, André R Massensini, Jacques R Poortamns, Romain Meeusen, Hércules R Leite
Although High Intensity Interval Training (HIIT) are being associated to increase cardiovascular and metabolic adaptation, there is controversy and limited information about the effects of HIIT on hippocampal oxidative stress, pro- and anti-inflammatory cytokines balance and neurotrophic status. Thus, this study evaluated the effects of six weeks of HIIT on hippocampal redox state (oxidative damage and enzymatic and non-enzymatic antioxidant defenses), neuroimmune mediators (TNFα, IL-6, IL-1β and IL-10) and brain-derived neurotrophic (BDNF) levels...
October 28, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/29108901/keto-adaptation-enhances-exercise-performance-and-body-composition-responses-to-training-in-endurance-athletes
#20
Fionn T McSwiney, Bruce Wardrop, Parker N Hyde, Richard A Lafountain, Jeff S Volek, Lorna Doyle
BACKGROUND: Low-carbohydrate diets have recently grown in popularity among endurance athletes, yet little is known about the long-term (>4 wk) performance implications of consuming a low-carbohydrate high fat ketogenic diet (LCKD) in well-trained athletes. METHODS: Twenty male endurance-trained athletes (age 33 ± 11y, body mass 80 ± 11kg; BMI 24.7 ± 3.1 kg/m2) who habitually consumed a carbohydrate-based diet, self-selected into a high-carbohydrate (HC) group (n = 11, %carbohydrate:protein:fat = 65:14:20), or a LCKD group (n = 9, 6:17:77)...
November 3, 2017: Metabolism: Clinical and Experimental
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