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high intensity intermittent exercise

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https://www.readbyqxmd.com/read/28422524/straight-line-and-change-of-direction-intermittent-running-in-professional-soccer-players
#1
Mohamed S Fessi, Fayçal Farhat, Alexandre Dellal, James J Malone, Wassim Moalla
PURPOSE: The present study aimed to investigate the difference between straight-line (STL) and change of direction (COD) intermittent running exercises in soccer players. METHODS: Seventeen male professional soccer players performed the agility T-test and 6 intermittent running exercises: 10s at 130% of maximal aerobic speed (MAS) alternated with 10s of rest (10-10), 15s at 120% of MAS alternated with 15s of rest (15-15) and 30s at 110% of MAS alternated with 30s of rest (30-30) both in STL and with COD...
April 19, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28409397/the-effect-of-high-intensity-aerobic-interval-training-on-markers-of-systemic-inflammation-in-sedentary-populations
#2
Nicholas G Allen, Samuel M Higham, Amy E Mendham, Tegan E Kastelein, Penelope S Larsen, Rob Duffield
PURPOSE: This study examined the effects of high-intensity interval training (HIIT; 30 s sprint, 4-5 min passive recovery) and prolonged intermittent sprint training (PIST; 10 s sprint, 2-3 min moderate exercise) on the systemic inflammatory markers C-reactive protein (CRP) and tumor necrosis factor-α (TNF-α), aerobic capacity, and anthropometry in a middle-aged, sedentary population. METHODS: Fifty-five sedentary adults (age 49.2 ± 6.1 years) were randomised into HIIT (n = 20), PIST (n = 21), or a sedentary control group (CTRL n = 14)...
April 13, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28398944/alpine-skiing-as-winter-time-high-intensity-training
#3
Thomas Stöggl, Christoph Schwarzl, Edith E Müller, Masaru Nagasaki, Julia Stöggl, Martin Schönfelder, Josef Niebauer
INTRODUCTION: To counteract the winter activity deficit, we set out to analyze cardiorespiratory and metabolic responses of two high intensity training (HIT) protocols during alpine skiing (AS), cross-country skiing (XCS) and indoor cycling (IC) and the effects of sex, age and fitness level in this comparison. METHODS: Nineteen healthy subjects (two age and fitness groups, both sexes) performed AS, XCS, and IC with measurements of oxygen uptake (VO2), energy expenditure (EE), heart rate (HR), lactate, blood glucose and rate of perceived exertion, determined during 4-min of continuous high intensity (HITc: 90% HRmax for XCS and IC or short turn skiing during AS) or 10-min intermittent HIT [HITint: 5x1' high intensity (>90% HRmax or short turn skiing), 1' active recovery]...
April 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28389218/walking-training-at-the-heart-rate-of-pain-threshold-improves-cardiovascular-function-and-autonomic-regulation-in-intermittent-claudication-a-randomized-controlled-trial
#4
Marcel Chehuen, Gabriel G Cucato, Celso Ricardo F Carvalho, Raphael M Ritti-Dias, Nelson Wolosker, Anthony S Leicht, Cláudia Lúcia M Forjaz
OBJECTIVES: This study investigated the effects of walking training (WT) on cardiovascular function and autonomic regulation in patents with intermittent claudication (IC). DESIGN: Randomized controlled trial. METHODS: Forty-two male patients with IC (≥50years) were randomly allocated into two groups: control (CG, n=20, 30min of stretching exercises) and WT (WTG, n=22, 15 bouts of 2min of walking interpolated by 2min of upright rest-walking intensity was set at the heart rate of pain threshold)...
March 21, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28388782/high-intensity-intermittent-exercise-and-autonomic-modulation-effects-of-different-volume-sessions
#5
Carlos Iván Mesa Castrillón, Rodolfo Augusto Travagin Miranda, Carolina Cabral-Santos, Lais Manata Vanzella, Bruno Rodrigues, Luiz Carlos Marques Vanderlei, Fábio Santos Lira, Eduardo Zapaterra Campos
The aim of this study was to compare heart rate variability (HRV) recovery after 2 sessions of high-intensity intermittent exercise at different volumes (1.25 km [HIIE1.25] and 2.5 km [HIIE2.5]). 13 participants determined their maximal aerobic speed (MAS) and completed 2 HIIE (1:1 at 100% MAS) trials. The heart rate was recorded before and after each session. HRV indicators were calculated according to time (RMSSD and SDNN) and frequency (LF, HF and LF/HF ratio) domains. SDNN and RMSSD presented effect of test (F=20...
April 7, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28379172/very-low-volume-sprint-interval-exercise-suppresses-subjective-appetite-lowers-acylated-ghrelin-and-elevates-glp-1-in-overweight-individuals-a-pilot-study
#6
Adrian Holliday, Andrew K Blannin
High-intensity exercise has been shown to elicit a transient suppression of appetite and create a more anorexigenic profile of appetite-associated hormones. It is yet to be fully elucidated whether such a response is observed following very low-volume, intermittent exercise at supramaximal intensity in those who are overweight. Eight overweight individuals (BMI 27.7 ± 1.7 kg·m²) completed resting (REST) and exercise (EX) trials in a counterbalanced order. EX consisted of 4 × 30 s "flat-out" cycling on an ergometer (adapted Wingate test)...
April 5, 2017: Nutrients
https://www.readbyqxmd.com/read/28336535/the-effects-of-short-work-versus-longer-work-periods-within-intermittent-exercise-on-v%C3%AC-o2p-kinetics-muscle-deoxygenation-and-energy-system-contribution
#7
Michael Christopher McCrudden, Daniel A Keir, Glen R Belfry
We examined the effects of inserting 3 s recovery periods during high-intensity cycling exercise at 25 s and 10 s intervals on pulmonary oxygen uptake (V̇O2p), muscle deoxygenation (HHb), associated kinetics (τ), and energy system contributions. Eleven men (24±3 years) completed two trials of three cycling protocols: an 8 min continuous protocol (CONT) and two, 8 min intermittent exercise protocols with work-to-rest periods of 25 s-to-3 s (25INT) and 10 s-to-3 s (10INT). Each protocol began with a step-transition from a 20 W baseline to a power output (PO) of 60% between lactate threshold and maximal V̇O2p (Δ60)...
March 23, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28332113/the-critical-power-concept-applications-to-sports-performance-with-a-focus-on-intermittent-high-intensity-exercise
#8
REVIEW
Andrew M Jones, Anni Vanhatalo
The curvilinear relationship between power output and the time for which it can be sustained is a fundamental and well-known feature of high-intensity exercise performance. This relationship 'levels off' at a 'critical power' (CP) that separates power outputs that can be sustained with stable values of, for example, muscle phosphocreatine, blood lactate, and pulmonary oxygen uptake ([Formula: see text]), from power outputs where these variables change continuously with time until their respective minimum and maximum values are reached and exercise intolerance occurs...
March 2017: Sports Medicine
https://www.readbyqxmd.com/read/28327503/beetroot-juice-supplementation-improves-high-intensity-intermittent-type-exercise-performance-in-trained-soccer-players
#9
Jean Nyakayiru, Kristin L Jonvik, Jorn Trommelen, Philippe J M Pinckaers, Joan M Senden, Luc J C van Loon, Lex B Verdijk
It has been shown that nitrate supplementation can enhance endurance exercise performance. Recent work suggests that nitrate ingestion can also increase intermittent type exercise performance in recreational athletes. We hypothesized that six days of nitrate supplementation can improve high-intensity intermittent type exercise performance in trained soccer players. Thirty-two male soccer players (age: 23 ± 1 years, height: 181 ± 1 m, weight: 77 ± 1 kg, playing experience: 15.2 ± 0.5 years, playing in the first team of a 2nd or 3rd Dutch amateur league club) participated in this randomized, double-blind cross-over study...
March 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28255159/high-intensity-aerobic-exercise-training-improves-chronic-intermittent-hypoxia-induced-insulin-resistance-without-basal-autophagy-modulation
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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 wk (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...
April 1, 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
#16
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
#17
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
#18
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
#19
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
#20
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
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