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https://www.readbyqxmd.com/read/29875683/beneficial-autophagic-activities-mitochondrial-function-and-metabolic-phenotype-adaptations-promoted-by-high-intensity-interval-training-in-a-rat-model
#1
Fang-Hui Li, Tao Li, Jing-Yi Ai, Lei Sun, Zhu Min, Rui Duan, Ling Zhu, Yan-Ying Liu, Timon Cheng-Yi Liu
The effects of high-intensity interval (HIIT) and moderate-intensity continuous training (MICT) on basal autophagy and mitochondrial function in cardiac and skeletal muscle and plasma metabolic phenotypes have not been clearly characterized. Here, we investigated how 10-weeks HIIT and MICT differentially modify basal autophagy and mitochondrial markers in cardiac and skeletal muscle and conducted an untargeted metabolomics study with proton nuclear magnetic resonance (1 H NMR) spectroscopy and multivariate statistical analysis of plasma metabolic phenotypes...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29745970/mechanical-efficiency-of-high-versus-moderate-intensity-aerobic-exercise-in-coronary-heart-disease-patients-a-randomized-clinical-trial
#2
Koldobika Villelabeitia-Jaureguizar, Davinia Vicente-Campos, Alejandro Berenguel Senen, Verónica Verónica Hernández Jiménez, Lorena Lorena Ruiz Bautista, María Elvira Barrios Garrido-Lestache, Jose López Chicharro
BACKGROUND: Mechanical efficiency (ME) refers to the ability of an individual to transfer energy consumed by external work. A decreased ME, could represent an increased energy cost during exercise and may, therefore, be limited in terms of physical activity. This study aimed to compare the influence of two different exercise protocols: moderate continuous training (MCT) versus high intensity interval training (HIIT), as part of a cardiac rehabilitation program on ME values among coronary patients...
May 10, 2018: Cardiology Journal
https://www.readbyqxmd.com/read/29742935/effects-of-different-exercise-training-programs-on-cardiorespiratory-fitness-in-overweight-obese-adults-with-hypertension-a-pilot-study
#3
Borja Jurio-Iriarte, Sara Maldonado-Martín
The goal of the study was to compare the effects of two supervised aerobic exercise programs (moderate-intensity continuous training [MICT] vs. high-intensity interval training [HIIT]) after 8-, 12-, and 16-week intervention periods on cardiorespiratory fitness (CRF) in overweight/obese adults diagnosed with hypertension. Participants ( N = 64) were divided into three intervention cohorts (control group [CG], MICT, and HIIT) and each of these, in turn, into three intervention length cohorts (8, 12, and 16 weeks)...
May 1, 2018: Health Promotion Practice
https://www.readbyqxmd.com/read/29719514/longer-work-rest-intervals-during-high-intensity-interval-training-hiit-lead-to-elevated-levels-of-mir-222-and-mir-29c
#4
Boris Schmitz, Florian Rolfes, Katrin Schelleckes, Mirja Mewes, Lothar Thorwesten, Michael Krüger, Andreas Klose, Stefan-Martin Brand
Aim: MicroRNA-222 (miR-222) and miR-29c have been identified as important modulators of cardiac growth and may protect against pathological cardiac remodeling. miR-222 and -29c may thus serve as functional biomarkers for exercise-induced cardiac adaptations. This investigation compared the effect of two workload-matched high-intensity interval training (HIIT) protocols with different recovery periods on miR-222 and -29c levels. Methods: Sixty-three moderately trained females and males (22.0 ± 1.7 years) fulfilled the eligibility criteria and were randomized into two HIIT groups using sex and exercise capacity...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29683925/short-term-8-weeks-high-intensity-interval-training-in-diseased-cohorts
#5
James E M Blackwell, Brett Doleman, Philip J J Herrod, Samuel Ricketts, Bethan E Phillips, Jonathan N Lund, John P Williams
BACKGROUND & AIM: Exercise training regimes can lead to improvements in measures of cardiorespiratory fitness (CRF), improved general health, and reduced morbidity and overall mortality risk. High intensity interval training (HIIT) offers a time-efficient approach to improve CRF in healthy individuals, but the relative benefits of HIIT compared to traditional training methods are unknown in across different disease cohorts. METHODS: This systematic review and meta-analysis compares CRF gains in randomised controlled trials of short-term (<8 weeks) HIIT vs...
April 21, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29683919/hiit-in-the-real-world-outcomes-from-a-12-month-intervention-in-overweight-adults
#6
Melyssa Roy, Sheila M Williams, Rachel C Brown, Kim A Meredith-Jones, Hamish Osborne, Michelle Jospe, Rachael W Taylor
PURPOSE: Although high-intensity interval training (HIIT) and moderate-intensity continuous exercise have comparable health outcomes in the laboratory setting, effectiveness studies in real-world environments are lacking. The aim of this study was to determine the effectiveness of an unsupervised HIIT programme in overweight/obese adults over 12 months. METHODS: 250 overweight/obese adults could choose HIIT or current exercise guidelines of 30 minutes/day moderate-intensity exercise...
April 21, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29556771/effects-of-low-volume-high-intensity-interval-training-in-a-community-setting-a-pilot-study
#7
Dejan Reljic, Felix Wittmann, Joachim E Fischer
PURPOSE: High-intensity interval training (HIIT) is emerging as an effective and time-efficient exercise strategy for health promotion. However, most HIIT studies are conducted in laboratory settings and evidence regarding the efficacy of time-efficient "low-volume" HIIT is based mainly on demanding "all-out" protocols. Thus, the aim of this pilot study was to assess the feasibility and efficacy of two low-volume (≤ 30 min time-effort/week), non-all-out HIIT protocols, performed 2 ×/week over 8 weeks in a community-based fitness centre...
June 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29499766/effects-of-combined-high-intensity-aerobic-interval-training-program-and-mediterranean-diet-recommendations-after-myocardial-infarction-interfarct-project-study-protocol-for-a-randomized-controlled-trial
#8
Sara Maldonado-Martín, Jon Ander Jayo-Montoya, Tatiana Matajira-Chia, Beatriz Villar-Zabala, Juan José Goiriena, G Rodrigo Aispuru
BACKGROUND: Exercise therapy has long been used for rehabilitation purposes after myocardial infarction (MI) and the benefit of regular physical exercise is also well-established. High-intensity interval training (HIIT) has been proposed to be more effective than continuous exercise for improving exercise capacity and health-related adaptations to low-volume (LV) and HIIT are also known. Furthermore, the Mediterranean diet (Mediet) has been widely reported to be a model of healthy eating for its contribution to a favorable health status and a better quality of life, reducing overall mortality...
March 2, 2018: Trials
https://www.readbyqxmd.com/read/29480414/metabolic-cross-talk-between-skeletal-muscle-and-adipose-tissue-in-high-intensity-interval-training-vs-moderate-intensity-continuous-training-by-regulation-of-pgc-1%C3%AE
#9
Hossein Shirvani, Ehsan Arabzadeh
PURPOSE: An imbalance in the production of adipokines and myokines impairs the energy expenditure, increases adipocyte and develops metabolic pathologies. Physical exercise is able to regulate the secretion of myokines and adipokines. The present study considers the metabolic cross talk between skeletal muscle and adipose tissue in high-intensity interval training vs. moderate-intensity continuous training by regulation of PGC-1α. METHODS: A sample of 32 male Wistar rats (8 weeks old with mean weight 250 ± 55 g) were divided into four groups randomly: control of base (CO), control of 8 weeks (CO8w), moderate-intensity continuous training (MICT), and high-intensity interval training (HIIT)...
February 26, 2018: Eating and Weight Disorders: EWD
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/28941598/energy-matched-moderate-and-high-intensity-exercise-training-improves-nonalcoholic-fatty-liver-disease-risk-independent-of-changes-in-body-mass-or-abdominal-adiposity-a-randomized-trial
#11
RANDOMIZED CONTROLLED TRIAL
Nathan C Winn, Ying Liu, R Scott Rector, Elizabeth J Parks, Jamal A Ibdah, Jill A Kanaley
BACKGROUND AND PURPOSE: Exercise training is commonly prescribed for individuals diagnosed with nonalcoholic fatty liver disease (NAFLD); however, consensus regarding the volume and intensity of exercise for optimal benefits is lacking. Thus, we determined whether high intensity interval exercise training (HIIT) produced greater reductions in intrahepatic lipid (IHL) content and NAFLD risk factors compared with energy-matched moderate intensity continuous exercise training (MICT) in obese adults with liver steatosis...
January 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28843495/high-intensity-interval-versus-moderate-intensity-continuous-training-superior-metabolic-benefits-in-diet-induced-obesity-mice
#12
Ningning Wang, Yang Liu, Yanan Ma, Deliang Wen
AIMS: Exercise is beneficial in obesity, however, the debate about the value of high-intensity interval training (HIIT) vs. moderate-intensity continuous training (MICT) has been long lasting. Therefore, here we have compared the possible beneficial effects of two different exercise training regimes in a mouse model of diet-induced obesity (DIO). MATERIALS AND METHODS: Following 7wk. on high fat diet (HFD), ten-week-old male ICR mice (n=30) were assigned to HIIT, distance-matched MICT or remained sedentary for the next 8 constitutive weeks while maintaining the dietary treatments...
December 15, 2017: Life Sciences
https://www.readbyqxmd.com/read/28811842/the-effect-of-three-different-exercise-training-modalities-on-cognitive-and-physical-function-in-a-healthy-older-population
#13
Carla Coetsee, Elmarie Terblanche
BACKGROUND: Older adults are encouraged to participate in regular physical activity to counter the age-related declines in physical and cognitive health. Literature on the effect of different exercise training modalities (aerobic vs resistance) on these health-related outcomes is not only sparse, but results are inconsistent. In general, it is believed that exercise has a positive effect on executive cognitive function, possibly because of the physiological adaptations through increases in fitness...
2017: European Review of Aging and Physical Activity
https://www.readbyqxmd.com/read/28792851/high-intensity-interval-and-moderate-intensity-continuous-training-elicit-similar-enjoyment-and-adherence-levels-in-overweight-and-obese-adults
#14
RANDOMIZED CONTROLLED TRIAL
Chantal A Vella, Katrina Taylor, Devin Drummer
BACKGROUND: High-intensity interval training (HIIT) has been shown to improve cardiometabolic health during supervised lab-based studies but adherence, enjoyment, and health benefits of HIIT performed independently are yet to be understood. We compared adherence, enjoyment, and cardiometabolic outcomes after 8 weeks of HIIT or moderate-intensity continuous training (MICT), matched for energy expenditure, in overweight and obese young adults. METHODS: 17 adults were randomized to HIIT or MICT...
October 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28648356/effects-of-high-intensity-interval-versus-continuous-exercise-training-on-post-exercise-heart-rate-recovery-in-coronary-heart-disease-patients
#15
Koldobika Villelabeitia-Jaureguizar, Davinia Vicente-Campos, Alejandro Berenguel Senen, Verónica Hernández Jiménez, María Elvira Barrios Garrido-Lestache, Jose López Chicharro
BACKGROUND: Heart rate recovery (HRR) has been considered a prognostic and mortality indicator in both healthy and coronary patients. Physical exercise prescription has shown improvements in VO2 peak and HRR, but most of the studies have been carried out applying continuous training at a moderate intensity, being very limited the use of protocols of high intensity interval training in coronary patients. We aimed to compare the effects of a moderate continuous training (MCT) versus a high intensity interval training (HIIT) programme on VO2 peak and HRR...
October 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28570494/endurance-running-training-individually-guided-by-hrv-in-untrained-women
#16
Danilo F da Silva, Zachary M Ferraro, Kristi B Adamo, Fabiana A Machado
The aim of this study was to analyze the effects of HRV-guided training compared to a standardized prescription on i) time to complete 5-km running performance (t5km), ii) peak treadmill running speed (Vpeak) and its time limit (tlim at Vpeak), and iii) autonomic cardiac modulation (i.e., parasympathetic activity and recovery) in untrained women. Additionally, we correlated changes in t5km with changes in Vpeak, tlim at Vpeak and autonomic cardiac modulation. Thirty-six untrained women were divided into a HRV-guided training group (HRVG) and a control group (CG)...
May 30, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28493030/ambulatory-blood-pressure-response-to-a-bout-of-hiit-in-metabolic-syndrome-patients
#17
RANDOMIZED CONTROLLED TRIAL
M Ramirez-Jimenez, F Morales-Palomo, J G Pallares, Ricardo Mora-Rodriguez, J F Ortega
PURPOSE: The effectiveness of exercise to lower blood pressure may depend on the type and intensity of exercise. We study the short-term (i.e., 14-h) effects of a bout of high-intensity aerobic interval training (HIIT) on blood pressure in metabolic syndrome (MetS) patients. METHODS: Nineteen MetS patients (55.2 ± 7.3 years, 6 women) entered the study. Eight of them were normotensive and eleven hypertensive according to MetS threshold (≥130 mmHg for SBP and/or ≥85 mmHg for DBP)...
July 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28482361/acute-hypotension-after-high-intensity-interval-exercise-in-metabolic-syndrome-patients
#18
Felix Morales-Palomo, Miguel Ramirez-Jimenez, Juan Fernando Ortega, Jesús G Pallarés, Ricardo Mora-Rodriguez
The purpose of this study was to compare the magnitude of post-exercise hypotension (PEH) after a bout of cycling exercise using high-intensity interval training (HIIT) in comparison to a bout of traditional moderate-intensity continuous exercise (CE). After supine rest 14 obese (31±1 kg·m(-2)) middle-age (57±2 y) metabolic syndrome patients (50% hypertensive) underwent a bout of HIIT or a bout of CE in a random order and then returned to supine recovery for another 45 min. Exercise trials were isocaloric and compared to a no-exercise trial (CONT) of supine rest for a total of 160 min...
July 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28401638/the-effects-of-high-intensity-interval-training-vs-moderate-intensity-continuous-training-on-body-composition-in-overweight-and-obese-adults-a-systematic-review-and-meta-analysis
#19
REVIEW
M Wewege, R van den Berg, R E Ward, A Keech
OBJECTIVE: The objective of this study is to compare the effects of high-intensity interval training (HIIT) and moderate-intensity continuous training (MICT) for improvements in body composition in overweight and obese adults. METHODS: Trials comparing HIIT and MICT in overweight or obese participants aged 18-45 years were included. Direct measures (e.g. whole-body fat mass) and indirect measures (e.g. waist circumference) were examined. RESULTS: From 1,334 articles initially screened, 13 were included...
June 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28318098/decreased-insulin-stimulated-brown-adipose-tissue-glucose-uptake-after-short-term-exercise-training-in-healthy-middle-aged-men
#20
Piryanka Motiani, Kirsi A Virtanen, Kumail K Motiani, Joonas J Eskelinen, Roeland J Middelbeek, Laurie J Goodyear, Anna M Savolainen, Jukka Kemppainen, Jørgen Jensen, Mueez U Din, Virva Saunavaara, Riitta Parkkola, Eliisa Löyttyniemi, Juhani Knuuti, Pirjo Nuutila, Kari K Kalliokoski, Jarna C Hannukainen
AIMS: To test the hypothesis that high-intensity interval training (HIIT) and moderate-intensity continuous training (MICT) improve brown adipose tissue (BAT) insulin sensitivity. PARTICIPANTS AND METHODS: Healthy middle-aged men (n = 18, age 47 years [95% confidence interval {CI} 49, 43], body mass index 25.3 kg/m2 [95% CI 24.1-26.3], peak oxygen uptake (VO2peak ) 34.8 mL/kg/min [95% CI 32.1, 37.4] ) were recruited and randomized into six HIIT or MICT sessions within 2 weeks...
October 2017: Diabetes, Obesity & Metabolism
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