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High intensity intermittent training/exercise

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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
#1
Marianne Yardley, Lars Gullestad, Bjørn Bendz, Elisabeth Bjørkelund, Katrine Rolid, Satish Arora, Kari Nytrøen
BACKGROUND: Previously 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...
November 12, 2016: 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
#2
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
#3
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
#4
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
https://www.readbyqxmd.com/read/27813685/physical-activity-and-intermittent-postconcussion-symptoms-after-a-period-of-symptom-limited-physical-and-cognitive-rest
#5
Quinton Sawyer, Brian Vesci, Tamara C Valovich McLeod
: Reference: Schneider KJ, Iverson GL, Emery CA, McCrory P, Herring SA, Meeuwisse WH. The effects of rest and treatment following sport-related concussion: a systematic review of the literature. Br J Sports Med. 2013;47(5):304-307. CLINICAL QUESTION: After concussion and a period of symptom-limited physical and cognitive rest, do athletes who experience intermittent symptoms return to asymptomatic condition more quickly with physical activity than with prolonged physical rest? DATA SOURCES: One investigator performed an individual search for each research question using the following databases: CINAHL, Cochrane Controlled Trials Registers, EMBASE, HealthSTAR, ProQuest, PsychInfo, PubMed, SPORTDiscus, and Web of Science...
September 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27792217/recreational-football-training-improved-health-related-physical-fitness-in-9-to-10-year-old-boys
#6
Jin Wang, Liquan Cao, Pengfei Xie, Jianxiong Wang
BACKGROUND: Recreational football is an aerobic/anaerobic intermittent sport with altering exercise periods at high or low intensity. Various football drills and body movement in this exercise may easily attract children to take part in. The purpose of this study was to test the hypothesis that recreational football training would improve the health-related physical fitness in healthy 9- to 10-year-old boys, compared to the outcome from non-exercise boys. METHODS: Forty boys were randomly allocated into the football and control groups...
October 28, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27763581/match-analysis-of-an-elite-beach-soccer-team
#7
Rosario Scarfone, Antonio Ammendolia
BACKGROUND: The aim of this study was to investigate the physiological demands and technical-tactical performances of field players in Italian elite beach soccer team. METHODS: Three official matches of the Italian First Division beach soccer tournament were analyzed to evaluate the heart rate (HR) and time-motion analysis considering: standing, walking, jogging, running and sprinting, and technical-tactical aspects. Repeated-measures ANOVAs were used to determine the effects of time on the physiological measures and time motion analysis...
October 20, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27757386/effects-of-high-intensity-swimming-training-on-the-bones-of-ovariectomized-rats
#8
Taewoong Oh, Sakura Tanaka, Tatsuki Naka, Shoji Igawa
PURPOSE: This study was performed to assess the effects of high-intensity intermittent swimming training(HIT) on bone in ovariectomized rats. METHODS: Six-week-old female Sprague-Dawley rats were randomly assigned to either sham operation or bilateral ovariectomy. After surgery, they were divided into the following four groups: 1) sham-operated sedentary (S), 2) sham-operated exercise training (SE), 3) OVX sedentary (O), 4) OVX exercise training (OE) 5) OVX given 17β-estradiol (OE2) and 6) OVX exercise training and given 17β-estradiol (OEE)...
September 2016: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/27751748/-intensive-training-and-menstrual-disorders-in-young-female-impact-on-bone-mass
#9
L Maïmoun, F Paris, O Coste, C Sultan
Participation in recreational physical activity is widely acknowledged to provide significant health benefits. Conversely, intense training imposes several constraints, such as intermittent or chronic metabolic and psychogenic training stressors and maintenance of very low body fat to maximize performance. Adolescent and adult athletic women are therefore at risk of overtraining and/or poor dietary intake, which may have several consequences for endocrine function particularly on hypothalamic-pituitary-gonadal axis...
October 14, 2016: Gynécologie, Obstétrique & Fertilité
https://www.readbyqxmd.com/read/27677081/the-effect-of-active-versus-passive-recovery-periods-during-high-intensity-intermittent-exercise-on-local-tissue-oxygenation-in-18-30-year-old-sedentary-men
#10
Yuri Kriel, Hugo A Kerhervé, Christopher D Askew, Colin Solomon
PURPOSE: High intensity interval training (HIIT) has been proposed as a time-efficient format of exercise to reduce the chronic disease burden associated with sedentary behaviour. Changes in oxygen utilisation at the local tissue level during an acute session of HIIT could be the primary stimulus for the health benefits associated with this format of exercise. The recovery periods of HIIT effect the physiological responses that occur during the session. It was hypothesised that in sedentary individuals, local and systemic oxygen utilisation would be higher during HIIT interspersed with active recovery periods, when compared to passive recovery periods...
2016: PloS One
https://www.readbyqxmd.com/read/27626795/effects-of-low-intensity-endurance-and-resistance-training-on-mobility-in-chronic-stroke-survivors-a-pilot-randomized-controlled-study
#11
Nicola Lamberti, Sofia Straudi, Anna M Malagoni, Matteo ARGIRò, Michele Felisatti, Eleonora Nardini, Christel Zambon, Nino Basaglia, Fabio Manfredini
BACKGROUND: Chronic stroke survivors are exposed to long-term disability and physical deconditioning, effects that may impact their independence and quality of life. Community-based programs optimizing the dose of exercise therapy that are simultaneously low risk and able to achieve high adherence should be identified. AIM: We tested the hypothesis that an 8-week, community-based, progressive mixed endurance- resistance exercise program at lower cardiovascular and muscular load yielded more mobility benefits than a higher-intensity program in chronic stroke survivors...
September 14, 2016: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27617566/assessing-overreaching-with-hrr-what-is-the-minimal-exercise-intensity-required
#12
Yann Le Meur, Martin Buchheit, Anaël Aubry, Aaron J Coutts, Christophe Hausswirth
PURPOSE: Faster heart rate recovery (HRR) following high-to-maximal exercise (≥90% HRmax) has been reported in athletes suspected of functional overreaching (f-OR). This study investigated whether this response would also occur at lower exercise intensity. METHODS AND RESULTS: HRR and rate of perceived exertion (RPE) responses were compared during an incremental intermittent running protocol to exhaustion in twenty experienced male triathletes (8 control and 13 overload subjects led to f-OR) before (Pre), immediately after an overload training period (Mid) and following a 1-week taper (Post)...
September 6, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27617389/increases-in-circulating-cell-free-dna-during-aerobic-running-depend-on-intensity-and-duration
#13
Nils Haller, Suzan Tug, Sarah Breitbach, Arne Jörgensen, Perikles Simon
PURPOSE: Increases in cfDNA concentrations have recently been demonstrated to occur in a variety of exhausting and vigorous exercise settings. Here we assessed the association of cfDNA with exercise duration and intensity in a controlled test-retest setting of a regenerative up to moderate aerobic run. METHODS: In a pre-test the lactate threshold (LT) was determined in 13 subjects (range: 10.8-13.4 km/h) by means of a step-wise incremental running test. Speed of the two endurance runs was set to 9...
September 6, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27604656/exercise-intensity-and-hypertension-what-s-new
#14
Y N Boutcher, S H Boutcher
One bout of aerobic exercise and regular participation in aerobic exercise has been shown to result in a lowering of office and ambulatory blood pressure of hypertensive individuals. Higher-intensity aerobic exercise, up to 70% of maximal oxygen consumption, does not produce a greater hypotensive effect, compared with moderate-intensity aerobic exercise. Intermittent aerobic and anaerobic exercise, however, performed at an intensity >70% of maximal oxygen uptake has been shown to significantly reduce office and ambulatory blood pressure of hypertensive individuals...
September 8, 2016: Journal of Human Hypertension
https://www.readbyqxmd.com/read/27537411/acute-responses-to-resistance-and-high-intensity-interval-training-in-adolescents
#15
Nigel Harris, Deborah Dulson, Greig Logan, Isaac Warbrick, Fabrice Merien, David Lubans
The purpose of this study was to compare the acute physiological responses within and between resistance training (RT) and high intensity interval training (HIIT) matched for time and with comparable effort, in a school setting. Seventeen early adolescents (12.9 ± 0.3 y) performed both RT (2-5 repetitions perceived short of failure at the end of each set) and HIIT (90% of age predicted maximum heart rate), equated for total work set and recovery period durations comprising of 12 'sets' of 30 s work followed by 30 s recovery (total session time 12 min)...
August 16, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27465126/carbohydrate-supplementation-stabilises-plasma-sodium-during-training-with-high-intensity
#16
M Schrader, B Treff, T Sandholtet, N Maassen, V Shushakov, J Kaesebieter, M Maassen
BACKGROUND: Investigations of the effect of beverages containing carbohydrates, only, on the sodium and fluid balance during intermittent exercise of high intensity are rare. Therefore, we compared the effects of water and carbohydrate supplementation on plasma, blood volume, and electrolyte shifts during intermittent exercise. METHODS: Ten male subjects performed an intermittent exercise test twice. In one trial, tap water (4 ml/kg/15 min) was consumed (Plac trial)...
September 2016: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/27445856/high-intensity-intermittent-training-positively-affects-aerobic-and-anaerobic-performance-in-judo-athletes-independently-of-exercise-mode
#17
Emerson Franchini, Ursula F Julio, Valéria L G Panissa, Fábio S Lira, José Gerosa-Neto, Braulio H M Branco
PURPOSE: The present study investigated the effects of high-intensity intermittent training (HIIT) on lower- and upper-body graded exercise and high-intensity intermittent exercise (HIIE, four Wingate bouts) performance, and on physiological and muscle damage markers responses in judo athletes. METHODS: Thirty-five subjects were randomly allocated to a control group (n = 8) or to one of the following HIIT groups (n = 9 for each) and tested pre- and post-four weeks (2 training d·wk(-1)): (1) lower-body cycle-ergometer; (2) upper-body cycle-ergometer; (3) uchi-komi (judo technique entrance)...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27437401/evaluating-a-nationwide-recreational-football-intervention-recruitment-attendance-adherence-exercise-intensity-and-health-effects
#18
Liljan Av Fløtum, Laila S Ottesen, Peter Krustrup, Magni Mohr
The present study evaluated a nationwide exercise intervention with Football Fitness in a small-scale society. In all, 741 adult participants (20-72 yrs) were successfully recruited for Football Fitness training in local football clubs, corresponding to 2.1% of the adult population. A preintervention test battery including resting heart rate (RHR), blood pressure, and body mass measurements along with performance tests (Yo-Yo Intermittent Endurance level 1 (Yo-Yo IE1), the Arrowhead Agility Test, and the Flamingo Balance Test) were performed (n = 502)...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27436343/influence-of-oxygen-uptake-kinetics-on-physical-performance-in-youth-soccer
#19
Greg Doncaster, Simon Marwood, John Iga, Viswanath Unnithan
PURPOSE: To examine the relationship between oxygen uptake kinetics (VO2 kinetics) and physical measures associated with soccer match play, within a group of highly trained youth soccer players. METHODS: Seventeen highly trained youth soccer players (age: 13.3 ± 0.4 year, self-assessed Tanner stage: 3 ± 1) volunteered for the study. Players initially completed an incremental treadmill protocol to exhaustion, to establish gaseous exchange threshold (GET) and VO2max (59...
September 2016: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/27418883/branched-chain-amino-acids-arginine-citrulline-alleviate-central-fatigue-after-3-simulated-matches-in-taekwondo-athletes-a-randomized-controlled-trial
#20
I-Fan Chen, Huey-June Wu, Chung-Yu Chen, Kuei-Ming Chou, Chen-Kang Chang
BACKGROUND: The decline in cognitive performance has been shown after fatiguing exercise. Branched-chain amino acids (BCAA) have been suggested to alleviate exercise-induced central fatigue. Arginine and citrulline could remove the excess NH3 accumulation accompanied with BCAA supplementation by increasing nitric oxide biosynthesis and/or urea cycle. The purpose of this study is to investigate the effect of the combined supplementation of BCAA, arginine, and citrulline on central fatigue after three simulated matches in well-trained taekwondo athletes...
2016: Journal of the International Society of Sports Nutrition
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