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Moderate intensity continuous training

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https://www.readbyqxmd.com/read/29021913/exergaming-can-be-an-innovative-way-of-enjoyable-high-intensity-interval-training
#1
Trine Moholdt, Stian Weie, Konstantinos Chorianopoulos, Alf Inge Wang, Kristoffer Hagen
OBJECTIVES: Exergames can replace sedentary time spent on computer gaming with physical activity. Previous research has found exergaming to elicit light-to-moderate exercise intensity. Our primary aim was to examine the exercise intensity of a newly developed biking exergame. METHODS: Eight males (23.9±0.6 years) played the exergame (PLAY) and walked (WALK) on three separate occasions, with the condition counterbalanced and in random sequence within each day. They were asked to PLAY and WALK for a minimum of 15 min and then continue for as long as they wanted...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29018361/new-methods-for-processing-and-quantifying-vo2-kinetics-to-steady-state-vo2-onset-kinetics
#2
Craig R McNulty, Robert A Robergs
Current methods of oxygen uptake (VO2) kinetics data handling may be too simplistic for the complex physiology involved in the underlying physiological processes. Therefore, the aim of this study was to quantify the VO2 kinetics to steady state across the full range of sub-ventilatory threshold work rates, with a particular focus on the VO2 onset kinetics. Ten healthy, moderately trained males participated in five bouts of cycling. Each bout involved 10 min at a percentage of the subject's ventilation threshold (30, 45, 60, 75, 90%) from unloaded cycling...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29018351/upper-body-muscular-endurance-training-improves-performance-following-50-min-of-double-poling-in-well-trained-cross-country-skiers
#3
Jørgen Børve, Steffen N Jevne, Bjarne Rud, Thomas Losnegard
This study investigated the effect of muscular endurance training on O2-cost and performance in double poling (DP) on a rollerski treadmill. Twenty-two well-trained cross-country skiers (31 ± 4 years, 77 ± 9 kg, 181 ± 8 cm, VO2max running: 64 ± 5 mL·kg(-1)·min(-1)) were counter-balanced to either a combined muscular endurance and running interval training group [MET; n = 11 (♂ = 9, ♀ = 2)], or an endurance running interval training group [ET; n = 11 (♂ = 9, ♀ = 2)]. Both groups continued their normal low-and moderate intensity training, but replaced 2 weekly high intensity-training sessions with two project-specific sessions for 6 weeks...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28959911/short-term-interval-training-alters-brain-glucose-metabolism-in-subjects-with-insulin-resistance
#4
Sanna M Honkala, Jarkko Johansson, Kumail K Motiani, Jari-Joonas Eskelinen, Kirsi A Virtanen, Eliisa Löyttyniemi, Juhani Knuuti, Pirjo Nuutila, Kari K Kalliokoski, Jarna C Hannukainen
Brain insulin-stimulated glucose uptake (GU) is increased in obese and insulin resistant subjects but normalizes after weight loss along with improved whole-body insulin sensitivity. Our aim was to study whether short-term exercise training (moderate intensity continuous training (MICT) or sprint interval training (SIT)) alters substrates for brain energy metabolism in insulin resistance. Sedentary subjects ( n = 21, BMI 23.7-34.3 kg/m(2), age 43-55 y) with insulin resistance were randomized into MICT ( n = 11, intensity≥60% of VO2peak) or SIT ( n = 10, all-out) groups for a two-week training intervention...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28947458/participant-acceptability-of-exercise-in-kidney-disease-pace-kd-a-feasibility-study-protocol-in-renal-transplant-recipients
#5
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
#6
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
#7
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
https://www.readbyqxmd.com/read/28932907/effects-of-self-paced-interval-and-continuous-training-on-health-markers-in-women
#8
Luke J Connolly, Stephen J Bailey, Peter Krustrup, Jonathan Fulford, Chris Smietanka, Andrew M Jones
PURPOSE: To compare the effects of self-paced high-intensity interval and continuous cycle training on health markers in premenopausal women. METHODS: Forty-five inactive females were randomised to a high-intensity interval training (HIIT; n = 15), continuous training (CT; n = 15) or an inactive control (CON; n = 15) group. HIIT performed 5 × 5 min sets comprising repetitions of 30-s low-, 20-s moderate- and 10-s high-intensity cycling with 2 min rest between sets...
November 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28910548/time-of-day-effects-of-exposure-to-solar-radiation-on-thermoregulation-during-outdoor-exercise-in-the-heat
#9
Hidenori Otani, Takayuki Goto, Heita Goto, Minayuki Shirato
High solar radiation has been recognised as a contributing factor to exertional heat-related illness in individuals exercising outdoors in the heat. Although solar radiation intensity has been known to have similar time-of-day variation as body temperature, the relationship between fluctuations in solar radiation associated with diurnal change in the angle of sunlight and thermoregulatory responses in individuals exercising outdoors in a hot environment remains largely unknown. The present study therefore investigated the time-of-day effects of variations in solar radiation associated with changing solar elevation angle on thermoregulatory responses during moderate-intensity outdoor exercise in the heat of summer...
September 14, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28895659/implementation-strategies-for-health-systems-in-low-income-countries-an-overview-of-systematic-reviews
#10
REVIEW
Tomas Pantoja, Newton Opiyo, Simon Lewin, Elizabeth Paulsen, Agustín Ciapponi, Charles S Wiysonge, Cristian A Herrera, Gabriel Rada, Blanca Peñaloza, Lilian Dudley, Marie-Pierre Gagnon, Sebastian Garcia Marti, Andrew D Oxman
BACKGROUND: A key function of health systems is implementing interventions to improve health, but coverage of essential health interventions remains low in low-income countries. Implementing interventions can be challenging, particularly if it entails complex changes in clinical routines; in collaborative patterns among different healthcare providers and disciplines; in the behaviour of providers, patients or other stakeholders; or in the organisation of care. Decision-makers may use a range of strategies to implement health interventions, and these choices should be based on evidence of the strategies' effectiveness...
September 12, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28879617/high-but-not-moderate-intensity-endurance-training-increases-pain-tolerance-a-randomised-trial
#11
Thomas J O'Leary, Johnny Collett, Ken Howells, Martyn G Morris
PURPOSE: To examine the effect of high-intensity interval training (HIIT) compared to volume-matched moderate-intensity continuous training (CONT) on muscle pain tolerance and high-intensity exercise tolerance. METHODS: Twenty healthy adults were randomly assigned (1:1) to either 6 weeks of HIIT [6-8 × 5 min at halfway between lactate threshold and maximal oxygen uptake (50%Δ)] or volume-matched CONT (~60-80 min at 90% lactate threshold) on a cycle ergometer...
November 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28874821/sprint-interval-training-decreases-left-ventricular-glucose-uptake-compared-to-moderate-intensity-continuous-training-in-subjects-with-type-2-diabetes-or-prediabetes
#12
Marja A Heiskanen, Tanja J Sjöros, Ilkka H A Heinonen, Eliisa Löyttyniemi, Mikko Koivumäki, Kumail K Motiani, Jari-Joonas Eskelinen, Kirsi A Virtanen, Juhani Knuuti, Jarna C Hannukainen, Kari K Kalliokoski
Type 2 diabetes mellitus (T2DM) is associated with reduced myocardial glucose uptake (GU) and increased free fatty acid uptake (FFAU). Sprint interval training (SIT) improves physical exercise capacity and metabolic biomarkers, but effects of SIT on cardiac function and energy substrate metabolism in diabetic subjects are unknown. We tested the hypothesis that SIT is more effective than moderate-intensity continuous training (MICT) on adaptations in left and right ventricle (LV and RV) glucose and fatty acid metabolism in diabetic subjects...
September 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28857909/affective-adaptation-to-repeated-sit-and-mict-protocols-in-insulin-resistant-subjects
#13
Tiina Saanijoki, Lauri Nummenmaa, Mikko Koivumäki, Eliisa Löyttyniemi, Kari K Kalliokoski, Jarna C Hannukainen
INTRODUCTION: The aim of this study was to investigate affective responses to repeated sessions of sprint interval training (SIT) in comparison with moderate-intensity continuous training (MICT) in insulin resistant subjects. METHODS: Twenty-six insulin resistant adults (age: 49 (4) years, 10 women) were randomized into SIT (n=13) or MICT (n=13) groups. Subjects completed six supervised training sessions within 2 weeks (SIT session: 4-6 × 30 s all-out cycling/4-min recovery; MICT session: 40-60 min at 60% peak work load)...
August 29, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28857058/climate-conditions-workplace-heat-and-occupational-health-in-south-east-asia-in-the-context-of-climate-change
#14
Tord Kjellstrom, Bruno Lemke, Matthias Otto
Occupational health is particularly affected by high heat exposures in workplaces, which will be an increasing problem as climate change progresses. People working in jobs of moderate or heavy work intensity in hot environments are at particular risk, owing to exposure to high environmental heat and internal heat production. This heat needs to be released to protect health, and such release is difficult or impossible at high temperatures and high air humidity. A range of clinical health effects can occur, and the heat-related physical exhaustion leads to a reduction of work capacity and labour productivity, which may cause substantial economic losses...
September 2017: WHO South-East Asia Journal of Public Health
https://www.readbyqxmd.com/read/28855969/development-of-low-volume-high-intensity-aerobic-type-interval-training-for-elderly-japanese-men-a-feasibility-study
#15
Yosuke Osuka, Muneaki Matsubara, Ai Hamasaki, Yuji Hiramatsu, Hiroshi Ohshima, Kiyoji Tanaka
BACKGROUND: The purposes of this study were to identify 1) the feasibility of a novel exercise protocol (elderly Japanese male version of high-intensity interval aerobic training: EJ-HIAT) and 2) its preliminary data (%V̇O2peak, rating of perceived exertion) in comparison with traditional moderate-intensity continuous aerobic training (MICT). RESULTS: Twenty-one sedentary elderly men, aged 60-69 years, performed two exercise protocols: EJ-HIAT, consisting of 3 sets of 2-3-min cycling at 75-85%V̇O2peak with 1-2-min active rests at 50%V̇O2peak between sets, and MICT, consisting of 40-min cycling at 65%V̇O2peak...
2017: European Review of Aging and Physical Activity
https://www.readbyqxmd.com/read/28853029/effect-of-high-intensity-interval-training-on-fitness-fat-mass-and-cardiometabolic-biomarkers-in-children-with-obesity-a-randomised-controlled-trial
#16
Katrin A Dias, Charlotte B Ingul, Arnt E Tjønna, Shelley E Keating, Sjaan R Gomersall, Turid Follestad, Mansoureh S Hosseini, Siri M Hollekim-Strand, Torstein B Ro, Margrete Haram, Else Marie Huuse, Peter S W Davies, Peter A Cain, Gary M Leong, Jeff S Coombes
BACKGROUND: Paediatric obesity significantly increases the risk of developing cardiometabolic diseases across the lifespan. Increasing cardiorespiratory fitness (CRF) could mitigate this risk. High-intensity interval training (HIIT) improves CRF in clinical adult populations but the evidence in paediatric obesity is inconsistent. OBJECTIVES: The objectives of this study were to determine the efficacy of a 12-week, HIIT intervention for increasing CRF and reducing adiposity in children with obesity...
August 29, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28846513/low-volume-high-intensity-interval-training-is-sufficient-to-ameliorate-the-severity-of-metabolic-syndrome
#17
Joyce S Ramos, Lance C Dalleck, Fabio Borrani, Kassia S Beetham, Matthew P Wallen, Alistair R Mallard, Bronwyn Clark, Sjaan Gomersall, Shelley E Keating, Robert G Fassett, Jeff S Coombes
BACKGROUND: High-intensity interval training (HIIT) is superior to moderate-intensity continuous training (MICT) at improving cardiometabolic risk. However, the optimal volume of HIIT to reduce the severity of the metabolic syndrome (MetS) has yet to be investigated. The aim of this study was to examine the impact of different volumes of HIIT and MICT on MetS severity (MetS z-score). METHODS: This was a substudy of the "Exercise in prevention of Metabolic Syndrome" (EX-MET) multicenter trial, reporting data collected at the Brisbane site...
September 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28843495/high-intensity-interval-versus-moderate-intensity-continuous-training-superior-metabolic-benefits-in-diet-induced-obesity-mice
#18
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...
August 23, 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
#19
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/28811138/intermittent-hypoxia-training-powerful-non-invasive-cerebroprotection-against-ethanol-withdrawal-excitotoxicity
#20
REVIEW
Marianna E Jung, Robert T Mallet
Ethanol intoxication and withdrawal exact a devastating toll on the central nervous system. Abrupt ethanol withdrawal provokes massive release of the excitatory neurotransmitter glutamate, which over-activates its postsynaptic receptors, causing intense Ca(2+) loading, p38 mitogen activated protein kinase activation and oxidative stress, culminating in ATP depletion, mitochondrial injury, amyloid β deposition and neuronal death. Collectively, these mechanisms produce neurocognitive and sensorimotor dysfunction that discourages continued abstinence...
August 12, 2017: Respiratory Physiology & Neurobiology
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