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high intensity intermittent exercise

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https://www.readbyqxmd.com/read/28255159/high-intensity-aerobic-exercise-training-improves-chronic-intermittent-hypoxia-induced-insulin-resistance-without-basal-autophagy-modulation
#1
Marion Pauly, Allan Assense, Aurélie Rondon, Amandine Thomas, Hervé Dubouchaud, Damien Freyssenet, Henri Benoit, Josiane Castells, Patrice Flore
Chronic intermittent hypoxia (IH) associated with obstructive sleep apnea (OSA) is a major risk factor for cardiovascular and metabolic diseases (insulin resistance: IR). Autophagy is involved in the pathophysiology of IR and high intensity training (HIT) has recently emerged as a potential therapy. We aimed to confirm IH-induced IR in a tissue-dependent way and to explore the preventive effect of HIT on IR-induced by IH. Thirty Swiss 129 male mice were randomly assigned to Normoxia (N), Intermittent Hypoxia (IH: 21-5% FiO2, 30 s cycle, 8 h/day) or IH associated with high intensity training (IH HIT)...
March 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28238588/rest-stress-limb-perfusion-imaging-in-humans-with-contrast-ultrasound-using-intermediate-power-imaging-and-microbubbles-resistant-to-inertial-cavitation
#2
Brian P Davidson, James Hodovan, J Todd Belcik, Federico Moccetti, Aris Xie, Azzdine Y Ammi, Jonathan R Lindner
BACKGROUND: Contrast-enhanced ultrasound (CEU) limb perfusion imaging is a promising approach for evaluating peripheral artery disease (PAD). However, low signal enhancement in skeletal muscle has necessitated high-power intermittent imaging algorithms, which are not clinically feasible. We hypothesized that CEU using a combination of intermediate power and a contrast agent resistant to inertial cavitation would allow real-time limb stress perfusion imaging. METHODS: In normal volunteers, CEU of the calf skeletal muscle was performed on separate days with Sonazoid, Optison, or Definity...
February 23, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28149381/comparison-between-two-types-of-anaerobic-speed-endurance-training-in-competitive-soccer-players
#3
Magni Mohr, Peter Krustrup
The purpose of the present study was to examine the effects of additional in-season speed endurance production versus speed endurance maintenance training regimes on performance in competitive male soccer players. In a randomised controlled trial 18 male sub-elite players were exposed to additional speed endurance production (SEP) or speed endurance maintenance (SEM) training (two additional sessions/wk for 4 weeks) during the competitive season. Players performed the Yo-Yo intermittent recovery level 2 test (YYIR2) and a repeated sprint test (RST) pre- and post-intervention...
June 1, 2016: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28149347/application-of-a-physiological-strain-index-in-evaluating-responses-to-exercise-stress-a-comparison-between-endurance-and-high-intensity-intermittent-trained-athletes
#4
Ilona Pokora, Aleksandra Żebrowska
The study evaluated differences in response to exercise stress between endurance and high-intensity intermittent trained athletes in a thermoneutral environment using a physiological strain index (PSI). Thirty-two subjects participated in a running exercise under normal (23°C, 50% RH) conditions. The group included nine endurance trained athletes (middle-distance runners - MD), twelve high-intensity intermittent trained athletes (soccer players - HIIT) and eleven students who constituted a control group. The exercise started at a speed of 4 km·h(-1) which was increased every 3 min by 2 km·h(-1) to volitional exhaustion...
April 1, 2016: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28143367/does-a-resistance-exercise-session-with-continuous-or-intermittent-blood-flow-restriction-promote-muscle-damage-and-increase-oxidative-stress
#5
Gabriel R Neto, Jefferson S Novaes, Verônica P Salerno, Michel M Gonçalves, Gilmário R Batista, Maria S Cirilo-Sousa
The aim of this study was to compare the effect of low-load resistance exercise (LLRE) with continuous and intermittent blood flow restriction (BFR) on the creatine kinase (CK), lactate dehydrogenase (LDH), protein carbonyl (PC), thiobarbituric acid-reactive substance (TBARS) and uric acid (UA) levels in military men. The study included 10 recreationally trained men aged 19 ± 0.82 years who underwent the following experimental protocols in random order on separate days (72-96 h): 4 LLRE sessions at a 20% 1RM (one-repetition maximum [1RM]) with continuous BFR (LLRE + CBFR); 4 LLRE sessions at 20% 1RM with intermittent BFR (LLRE + IBFR) and 4 high-intensity resistance exercise (HIRE) sessions at 80% 1RM...
January 31, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28122719/high-intensity-intermittent-exercise-training-with-chlorella-intake-accelerates-exercise-performance-and-muscle-glycolytic-and-oxidative-capacity-in-rats
#6
Naoki Horii, Natsuki Hasegawa, Shumpei Fujie, Masataka Uchida, Eri Miyamoto-Mikami, Takeshi Hashimoto, Izumi Tabata, Motoyuki Iemitsu
The purpose of this study was to investigate the effect of chronic chlorella intake alone or in combination with high-intensity intermittent exercise (HIIE) training on exercise performance and muscle glycolytic and oxidative metabolism in rats. Forty male Sprague-Dawley rats were randomly assigned to the four groups: sedentary control, chlorella intake (0.5% chlorella powder in normal feed), HIIE training, and combination of HIIE training and chlorella intake for 6 weeks (n = 10 each group). HIIE training comprised 14 repeats of a 20-s swimming session with a 10-s pause between sessions, while bearing a weight equivalent to 16% of body weight, 4 days/week...
January 25, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28119886/influence-to-high-intensity-intermittent-and-moderate-intensity-continuous-exercise-on-indices-of-cardio-inflammatory-health-in-men
#7
Carolina C Santos, Tiego A Diniz, Daniela S Inoue, José Gerosa-Neto, Valéria L G Panissa, Gustavo Duarte Pimentel, Eduardo Z Campos, Peter Hofmann, Fábio S Lira
The aim of this study was to evaluate the influence to acute exercises performed in different intensities with volume equalized (5 km) on indices of cardio-inflammatory health. Twelve physically active male subjects (age, 23.22±5.47 years; height, 174.75±5.80 m; weight, 75.13±6.61 kg; maximal oxygen uptake, 52.92 mL/kg/min), after determination of peak oxygen uptake (VO2Peak) and the speed associated with VO2Peak (sVO2Peak), completed two randomly experimental trials: high-intensity intermittent exercise (HIIE: 1:1 at 100% sVO2Peak) and moderate-intensity continuous exercise (MICE: 70% sVO2Peak)...
December 2016: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28074979/-effects-of-12-sessions-of-high-intensity-intermittent-training-and-nutrition-counseling-on-body-fat-in-obese-and-overweight-participants
#8
Catalina Molina, Gabriela Cifuentes, Cristian Martínez, Rodrigo Mancilla, Erik Díaz
BACKGROUND: The search of efficient exercise alternatives to treat obesity is worthwhile. AIM: To demonstrate the effect of high intensity intermittent exercise on body fat reduction in overweight and obese subjects. MATERIAL AND METHODS: A group of 65 overweight and obese adult subjects (25 men), aged 18-65 years, participated during 12 sessions in a high intensity physical exercise program, 3 days/week. Weight, height and body fat was measured before and after the intervention by bioimpedance...
October 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/28067740/update-on-management-of-type-1-diabetes-and-type-2-diabetes-in-athletes
#9
REVIEW
Jane E Yardley, Sheri R Colberg
Optimal blood glucose management still remains the biggest challenge in active individuals with diabetes, particularly in insulin users, but some newer strategies have been introduced to maintain blood glucose control. Recent studies emphasize the importance of exercise intensity on glycemic balance. In individuals with type 1 and type 2 diabetes, both resistance and high-intensity intermittent exercise have been shown to confer beneficial physiological adaptations in training studies, while also showing acute glycemic benefits from single sessions...
January 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28060976/-cardiovascular-recovery-during-intermittent-exercise-in-highly-adherent-partic-pants-with-hypertension-and-type-2-diabetes-mellitus
#10
Johnattan Cano-Montoya, Cristian Álvarez, Cristian Martínez, Andrés Salas, Farid Sade, Rodrigo Ramírez-Campillo
BACKGROUND: Despite the evidence supporting metabolic benefits of high intensity interval exercise (HIIT), there is little information about the cardiovascular response to this type of exercise in patients with type 2 diabetes (T2D) and hypertension (HTA). AIM: To analyze the changes in heart rate at rest, at the onset and at the end of each interval of training, after twelve weeks of a HIIT program in T2D and HTA patients. MATERIAL AND METHODS: Twenty-three participants with T2D and HTA (20 women) participated in a controlled HIIT program...
September 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/28043028/modulation-of-inflammatory-response-arising-from-high-intensity-intermittent-and-concurrent-strength-training-in-physically-active-males
#11
Paula Alves Monteiro, Eduardo Zapaterra Campos, Flaviane Poleto de Oliveira, Fernando Pierin Peres, José Cesar Rosa-Neto, Gustavo Duarte Pimentel, Fabio Santos Lira
The purposes of this study were to determine: (i) the extent of an acute session of high-intensity intermittent exercise (HIIE) followed by a concurrent strength session (Conc) on the increase of systemic inflammatory cytokines and chemokines, and (ii) whether eight weeks of high intensity interval training plus concurrent strength training alters the acute inflammatory response and immune status. Ten recreationally active males (aged 26.9±4.3years) performed two experimental exercise sessions interspersed by eight weeks of HIIT plus concurrent strength training...
December 30, 2016: Cytokine
https://www.readbyqxmd.com/read/27994556/endurance-performance-during-severe-intensity-intermittent-cycling-effect-of-exercise-duration-and-recovery-type
#12
Luis F Barbosa, Benedito S Denadai, Camila C Greco
Slow component of oxygen uptake (VO2SC) kinetics and maximal oxygen uptake (VO2max) attainment seem to influence endurance performance during constant-work rate exercise (CWR) performed within the severe intensity domain. In this study, it was hypothesized that delaying the attainment of VO2max by reducing the rates at which VO2 increases with time (VO2SC kinetics) would improve the endurance performance during severe-intensity intermittent exercise performed with different work:recovery duration and recovery type in active individuals...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27967281/cho-mouth-rinsing-improves-neuromuscular-performance-during-isokinetic-fatiguing-exercise
#13
Ilenia Bazzucchi, Federica Patrizio, Francesco Felici, Andrea Nicolò, Massimo Sacchetti
PURPOSE: To determine whether repeated CHO mouth rinsing would improve neuromuscular performance during high intensity fatiguing contractions. METHODS: 18 young men (26.1±5.0 yr; 22.9±1,9 BMI) performed 3 maximal voluntary isometric contractions (MVICPRE). Immediately after, they completed 10 s mouth rinse with either 6.4% maltodextrine solution [MAL] or 7.1% glucose solution [GLU] or water [W] or artificially sweetened solution [PLA] or a control trial with no rinse [CON] in a cross over protocol...
December 14, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27928213/proposal-for-a-specific-aerobic-test-for-football-players-the-footeval
#14
Christophe Manouvrier, Johan Cassirame, Saïd Ahmaidi
The aim of this study was to evaluate the reproducibility and validity of the "Footeval" test, which evaluates football players' aerobic level in conditions close to those of football practice (intermittent, including technical skills). Twenty-four highly trained subjects from an elite football academy (17.8 ± 1.4 years, 5 training sessions per week) performed two Footeval sessions in a period of 7 days. Physiological variables measured during these sessions (VO2max 58.1 ± 5.6 and 58.7 ± 6.2 ml·min(-1)·kg(-1); RER 1...
December 2016: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/27882611/chronic-lactate-supplementation-does-not-improve-blood-buffering-capacity-and-repeated-high-intensity-exercise
#15
L F Oliveira, V de Salles Painelli, K Nemezio, L S Gonçalves, G Yamaguchi, B Saunders, B Gualano, G G Artioli
Since there is conflicting data on the buffering and ergogenic properties of calcium lactate (CL), we investigated the effect of chronic CL supplementation on blood pH, bicarbonate, and high-intensity intermittent exercise performance. Sodium bicarbonate (SB) was used as a positive control. Eighteen athletes participated in this double-blind, placebo-controlled, crossover, fully counterbalanced study. All participants underwent three different treatments: placebo (PL), CL, and SB. The dose was identical in all conditions: 500 mg/kg BM divided into four daily individual doses of 125 mg/kg BM, for five consecutive days, followed by a 2-7-day washout period...
November 23, 2016: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/27867360/inflammatory-cytokines-and-bdnf-response-to-high-intensity-intermittent-exercise-effect-the-exercise-volume
#16
Carolina Cabral-Santos, Carlos I M Castrillón, Rodolfo A T Miranda, Paula A Monteiro, Daniela S Inoue, Eduardo Z Campos, Peter Hofmann, Fábio S Lira
The purpose of this study was to compare the effects of two similar high-intensity intermittent exercises (HIIE) but different volume 1.25 km (HIIE1.25) and 2.5 km (HIIE2.5) on inflammatory and BDNF responses. Ten physically active male subjects (age 25.22 ± 1.74 years, body mass 78.98 ± 7.31 kg, height 1.78 ± 0.06 m, VO2peak 59.94 ± 9.38 ml·kg·min(-1)) performed an incremental treadmill exercise test and randomly completed two sessions of HIIE on a treadmill (1:1 min at vVO2max with passive recovery)...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27865004/long-term-effects-of-high-intensity-interval-training-in-heart-transplant-recipients-a-5-year-follow-up-study-of-a-randomized-controlled-trial
#17
Marianne Yardley, Lars Gullestad, Bjørn Bendz, Elisabeth Bjørkelund, Katrine Rolid, Satish Arora, Kari Nytrøen
BACKGROUND: Previous studies have demonstrated that high-intensity interval training (HIT) is superior to moderate-continuous exercise in general and in cardiovascular diseases. Recently, we also found HIT safe and efficient after heart transplantation (HTx). This study reports the 5-year long-term effects. DESIGN AND METHODS: Forty-one HTx patients who had completed the previous 12-month randomized controlled trial, comparing HIT intervention with usual care, were eligible...
January 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/27849114/effects-of-in-season-short-term-aerobic-and-high-intensity-interval-training-program-on-repeated-sprint-ability-and-jump-performance-in-handball-players
#18
Souhail Hermassi, Jørgen Ingebrigtsen, René Schwesig, Georg Fieseler, Karl S Delank, Karim Chamari, Roy J Shephard, Mohamed S Chelly
BACKGROUND: This study examined the effects of a 7-week in-season aerobic and high-intensity interval-training program on performance tests linked to successful handball play (e.g., repeated sprint and jumping ability). METHODS: Thirty participants (age 17.0 ± 1.2 years, body mass 81.1 ± 3.4 kg, height 1.82± 0.07 m) performed a Yo-Yo Intermittent Recovery Test level 1 (Yo-Yo IR1), a squat (SJ) and a countermovement jump test (CMJ), as well as a repeated sprint ability test (RSA)...
November 16, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27837041/acute-effects-of-resistance-exercise-with-continuous-and-intermittent-blood-flow-restriction-on-hemodynamic-measurements-and-perceived-exertion
#19
Gabriel R Neto, Jefferson S Novaes, Verônica P Salerno, Michel M Gonçalves, Bruna K L Piazera, Thais Rodrigues-Rodrigues, Maria S Cirilo-Sousa
This study compared the acute effects of low-intensity resistance exercise (RE) sessions for the upper limb with continuous and intermittent blood flow restriction (BFR) and high-intensity RE with no BFR on lactate, heart rate, double product (DP; heart rate times systolic blood pressure), and perceived exertion (RPE). Ten recreationally trained men (1-5 years strength training; age mean = 19 ± 0.82 years) performed three experimental protocols in random order: (a) low-intensity RE at 20% one-repetition maximum (1RM) with intermittent BFR (LI + IBFR), (b) low-intensity RE at 20% 1RM with continuous BFR (LI + CBFR), and (c) high-intensity RE at 80% 1RM...
November 11, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27826654/physiological-responses-to-interval-endurance-exercise-at-different-levels-of-blood-flow-restriction
#20
Rogério B Corvino, Harry B Rossiter, Thiago Loch, Jéssica C Martins, Fabrizio Caputo
PURPOSE: We aimed to identify a blood flow restriction (BFR) endurance exercise protocol that would both maximize cardiopulmonary and metabolic strain, and minimize the perception of effort. METHODS: Twelve healthy males (23 ± 2 years, 75 ± 7 kg) performed five different exercise protocols in randomized order: HI, high-intensity exercise starting at 105% of the incremental peak power (P peak); I-BFR30, intermittent BFR at 30% P peak; C-BFR30, continuous BFR at 30% P peak; CON30, control exercise without BFR at 30% P peak; I-BFR0, intermittent BFR during unloaded exercise...
November 8, 2016: European Journal of Applied Physiology
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