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https://www.readbyqxmd.com/read/29143594/the-gene-smart-study-method-study-design-and-preliminary-findings
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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/m(2)) 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
https://www.readbyqxmd.com/read/29099231/effects-of-high-intensity-intermittent-training-on-vascular-function-in-obese-preadolescent-boys
#8
Napasakorn Chuensiri, Daroonwan Suksom, Hirofumi Tanaka
BACKGROUND: High-intensity intermittent training (HIIT) may serve as an effective alternative to traditional endurance training, since HIIT has been shown to induce greater improvements in aerobic fitness and health-related markers in adult populations. Our objective was to determine whether HIIT and supramaximal high-intensity intermittent training (supra-HIIT) would improve vascular structure and function in obese preadolescent boys. METHODS: Before the baseline testing, 48 obese preadolescent boys, aged 8-12 years, were randomly assigned into control (CON; n = 16), HIIT (8 × 2 minutes at 90% peak power output, n = 16), and supra-HIIT (8 × 20 seconds at 170% peak power output, n = 16) groups...
November 3, 2017: Childhood Obesity
https://www.readbyqxmd.com/read/29099031/the-effects-of-acute-high-intensity-interval-training-on-hematological-parameters-in-sedentary-subjects
#9
Muaz Belviranli, Nilsel Okudan, Banu Kabak
The objective of the study was to determine the effects of acute high-intensity interval training (HIIT) on hematological parameters in sedentary men. Ten healthy, non-smoker, and sedentary men aged between 18 and 24 years participated in the study. All subjects performed four Wingate tests with 4 min intervals between the tests. Blood samples were collected at pre-exercise, immediately after, 3 and 6 h after the fourth Wingate test. Hematological parameters were analyzed in these samples. The results showed that hematocrit percentage, hemoglobin values, red cell count, mean cell volume, platelet count, total white cell count, and counts of the white cell subgroups increased immediately after the acute HIIT and their values began to return to resting levels 3 h after exercise, and completely returned to resting levels 6 h after exercise...
July 19, 2017: Medical Sciences: Open Access Journal
https://www.readbyqxmd.com/read/29077855/increased-brain-glucose-uptake-following-12-weeks-of-aerobic-high-intensity-interval-training-in-young-and-older-adults
#10
Matthew M Robinson, Val J Lowe, K Sreekumaran Nair
Context: Aerobic exercise training can increase brain volume and blood flow, but the impact on brain metabolism is less known. Objective: We determined whether high-intensity interval training (HIIT) increases brain metabolism by measuring brain glucose uptake in younger and older adults. Design: Brain glucose uptake was measured before and after HIIT or sedentary (SED) control period within a larger exercise study. Setting: Study procedures performed at Mayo Clinic (Rochester MN)...
October 25, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29077562/physical-activity-in-the-therapy-of-overweight-and-obesity-in-children-and-adolescents-needs-and-recommendations-for-intervention-programs
#11
Wiesław Osiński, Adam Kantanista
Overweight and obesity may lead to serious health problems, and negatively affect everyday functioning in physical, psychological and social spheres. The high prevalence of overweight and obesity in children and adolescents constitutes a huge public health burden. One way of designing and implementing behavioral interventions aimed at the reduction of adipose tissue is to promote physical activity. In this review we present recommendations regarding the planning, monitoring and implementation of intervention programs involving controlled physical activity...
2017: Developmental Period Medicine
https://www.readbyqxmd.com/read/29075862/concomitant-external-pneumatic-compression-treatment-with-consecutive-days-of-high-intensity-interval-training-reduces-markers-of-proteolysis
#12
Cody T Haun, Michael D Roberts, Matthew A Romero, Shelby C Osburn, James C Healy, Angelique N Moore, Christopher B Mobley, Paul A Roberson, Wesley C Kephart, Petey W Mumford, Michael D Goodlett, David D Pascoe, Jeffrey S Martin
PURPOSE: To compare the effects of external pneumatic compression (EPC) and sham when used concurrently with high intensity interval training (HIIT) on performance-related outcomes and recovery-related molecular measures. METHODS: Eighteen recreationally endurance-trained male participants (age: 21.6 ± 2.4 years, BMI: 25.7 ± 0.5 kg/m(2), VO2peak: 51.3 ± 0.9 mL/kg/min) were randomized to balanced sham and EPC treatment groups. Three consecutive days of HIIT followed by EPC/sham treatment (Days 2-4) and 3 consecutive days of recovery (Days 5-7) with EPC/sham only on Days 5-6 were employed...
December 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29075629/carbohydrate-restriction-with-high-intensity-interval-training-an-optimal-combination-for-treating-metabolic-diseases
#13
Monique E Francois, Jenna B Gillen, Jonathan P Little
Lifestyle interventions incorporating both diet and exercise strategies remain cornerstone therapies for treating metabolic disease. Carbohydrate-restriction and high-intensity interval training (HIIT) have independently been shown to improve cardiovascular and metabolic health. Carbohydrate-restriction reduces postprandial hyperglycemia, thereby limiting potential deleterious metabolic and cardiovascular consequences of excessive glucose excursions. Additionally, carbohydrate-restriction has been shown to improve body composition and blood lipids...
2017: Frontiers in Nutrition
https://www.readbyqxmd.com/read/29071380/satellite-cell-response-to-concurrent-resistance-exercise-and-high-intensity-interval-training-in-sedentary-overweight-obese-middle-aged-individuals
#14
Jamie K Pugh, Steve H Faulkner, Mark C Turner, Myra A Nimmo
PURPOSE: Sarcopenia can begin from the 4-5th decade of life and is exacerbated by obesity and inactivity. A combination of resistance exercise (RE) and endurance exercise is recommended to combat rising obesity and inactivity levels. However, work continues to elucidate whether interference in adaptive outcomes occur when RE and endurance exercise are performed concurrently. This study examined whether a single bout of concurrent RE and high-intensity interval training (HIIT) alters the satellite cell response following exercise compared to RE alone...
October 25, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29069224/effects-of-a-4-week-high-intensity-interval-training-on-pacing-during-5-km-running-trial
#15
R Silva, M Damasceno, R Cruz, M D Silva-Cavalcante, A E Lima-Silva, D J Bishop, R Bertuzzi
This study analyzed the influence of a 4-week high-intensity interval training on the pacing strategy adopted by runners during a 5-km running trial. Sixteen male recreational long-distance runners were randomly assigned to a control group (CON, n=8) or a high-intensity interval training group (HIIT, n=8). The HIIT group performed high-intensity interval-training twice per week, while the CON group maintained their regular training program. Before and after the training period, the runners performed an incremental exercise test to exhaustion to measure the onset of blood lactate accumulation, maximal oxygen uptake (VO2max), and peak treadmill speed (PTS)...
October 19, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29021912/a-study-of-intensity-fatigue-and-precision-in-two-specific-interval-trainings-in-young-tennis-players-high-intensity-interval-training-versus-intermittent-interval-training
#16
David Suárez Rodríguez, Miguel Del Valle Soto
BACKGROUND: The aim of this study is to find the differences between two specific interval exercises. We begin with the hypothesis that the use of microintervals of work and rest allow for greater intensity of play and a reduction in fatigue. METHODS: Thirteen competition-level male tennis players took part in two interval training exercises comprising nine 2 min series, which consisted of hitting the ball with cross-court forehand and backhand shots, behind the service box...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/28966710/in-season-high-intensity-interval-training-improves-conditioning-in-high-school-soccer-players
#17
Neal Howard, Stasinos Stavrianeas
Soccer is characterized by high aerobic demands interspersed with frequent bursts of anaerobic activity. High-intensity interval training (HIIT) is considered a viable alternative to traditional endurance conditioning and offers the additional time-saving benefits of anaerobic training. We hypothesized that HIIT will compare favorably to traditional (aerobic-based) soccer conditioning over the course of a high school soccer season. Junior varsity soccer players were split into control (CON, n=16) and experimental (HIIT, n=16) groups for the 10-week study...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/28947458/participant-acceptability-of-exercise-in-kidney-disease-pace-kd-a-feasibility-study-protocol-in-renal-transplant-recipients
#18
Nicolette C Bishop, Roseanne Billany, Alice C Smith
INTRODUCTION: Cardiovascular disease (CVD) is a major cause of mortality in renal transplant recipients (RTRs). General population risk scores for CVD underestimate the risk in patients with chronic kidney disease (CKD) suggesting additional non-traditional factors. Renal transplant recipients also exhibit elevated inflammation and impaired immune function. Exercise has a positive impact on these factors in patients with CKD but there is a lack of rigorous research in RTRs, particularly surrounding the feasibility and acceptability of high-intensity interval training (HIIT) versus moderate-intensity continuous training (MICT) in this population...
September 24, 2017: BMJ Open
https://www.readbyqxmd.com/read/28944646/acute-blood-glucose-cardiovascular-and-exaggerated-responses-to-high-intensity-interval-training-and-moderate-intensity-continuous-training-in-men-with-type-2-diabetes-mellitus
#19
Shohn G Wormgoor, Lance C Dalleck, Caryn Zinn, Nigel K Harris
BACKGROUND: Optimising exercise-induced physiological responses without increasing the risk of negative exaggerated responses is an important aspect of exercise prescription for people with type 2 diabetes mellitus (T2DM). However, knowledge of acute responses, including exaggerated responses, of different training modalities is limited. AIM: To compare acute physiological responses of moderate-intensity continuous training (MICT) and high-intensity interval training (HIIT) in T2DM...
September 22, 2017: Journal of Sports Medicine and Physical Fitness
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
#20
Nathan C Winn, Liu Ying, 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...
September 20, 2017: Metabolism: Clinical and Experimental
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