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Intermittent training

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https://www.readbyqxmd.com/read/28538295/relationship-between-internal-load-indicators-and-changes-on-intermittent-performance-after-the-preseason-in-professional-soccer-players
#1
Miguel A Campos-Vazquez, Francisco J Toscano-Bendala, José C Mora-Ferrera, Luis J Suarez-Arrones
Campos-Vazquez, MA, Toscano-Bendala, FJ, Mora-Ferrera, JC, and Suarez-Arrones, LJ. Relationship between internal load indicators and changes on intermittent performance after the preseason in professional soccer players. J Strength Cond Res 31(6): 1477-1485, 2017-The aim of this study was to examine the effects of accumulated internal training load (ITL) during the preseason (4 weeks) on changes in the intermittent performance, in a professional soccer team. Twelve professionals soccer players (Mean ± SD age: 27...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28515159/intermittent-fasting-pretreatment-prevents-cognitive-impairment-in-a-rat-model-of-chronic-cerebral-hypoperfusion
#2
Yuan Hu, Ying Yang, Miao Zhang, Min Deng, Jun-Jian Zhang
Background: Whether intermittent fasting (IF) pretreatment can prevent vascular cognitive dysfunction remains unknown to our knowledge.Objective: We investigated the effects and underlying mechanisms of IF pretreatment on cognitive dysfunction in a permanent 2-vessel occlusion (2VO) vascular dementia rat model.Methods: Male Wistar rats weighing 200 g were subjected to either IF or ad libitum feeding for 12 wk before 2VO surgery. Rats in the IF protocol underwent alternative-day feed deprivation (FD). Memory of the animals was assessed by using the Morris water maze (MWM) and the novel object recognition (NOR) test 6 wk after the surgery...
May 17, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28503530/caffeine-supplementation-affects-the-immunometabolic-response-to-concurrent-training
#3
Fabrício Eduardo Rossi, Valéria Leme Gonçalves Panissa, Paula Aulves Monteiro, José Gerosa-Neto, Érico Chagas Caperuto, Jason Michael Cholewa, Alessandro Moura Zagatto, Fábio Santos Lira
The aim of the present study was to investigate the effects of caffeine (CAF) and carbohydrate (CHO) intake on strength performance and its metabolic and inflammatory responses during concurrent training. Seven active males ingested a double-placebo (P), CAF (capsule 5 mg/kg) or CHO (20% maltodextrin solution) supplementation before strength exercise. Participants performed three randomized sessions of 5,000-m high-intensity intermittent aerobic exercise at maximal intensity followed by strength exercise, performing after the P, CHO, and CAF intake...
April 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28490448/intermittent-hypoxia-training-blunts-cerebrocortical-presenilin-1-overexpression-and-amyloid-%C3%AE-accumulation-in-ethanol-withdrawn-rats
#4
Myoung-Gwi Ryou, Robert T Mallet, Daniel B Metzger, Marianna E Jung
Abrupt cessation of chronic alcohol consumption triggers signaling cascades that harm vulnerable brain regions and produce neurobehavioral deficits. We have demonstrated that a program of intermittent, normobaric hypoxia training (IHT) in rats prevents neurobehavioral impairment resulting from abrupt ethanol withdrawal (EW). Moreover, EW induced expression of stress-activated protein kinase p38 and presenilin 1 (PS1), the γ-secretase component that produces the neurotoxic amyloid-β (Aβ) peptides, Aβ40 and Aβ42...
May 10, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28488831/reduced-leptin-level-is-independently-of-fat-mass-changes-and-hunger-scores-from-high-intensity-intermittent-plus-strength-training
#5
Daniela S Inoue, Valéria L Gonçalves Panissa, Barbara Mello Antunes, Flaviane Poleto de Oliveira, Raoni Bernardes Malta, Renan Santos Caldeira, Eduardo Zapaterra Campos, Gustavo Duarte Pimentel, Emerson Franchini, Fábio Santos Lira
BACKGROUND: This study aimed to analyze the effects of high-intensity intermittent training (HIIT) plus strength training on body composition, hormone related to energetic balance (leptin), and hunger scores in physically active non-obese men. METHODS: Sixteen men were allocated in two different groups, training group (n=10) performed a combined HIIT (5 km, 1 min of effort interspersed by 1 min of rest in passive recovery) followed by strength exercise session (three sets, with load of 8-12 repetition maximum) twice a week, during 8 weeks, while control group (n=6) did not suffer any intervention...
May 9, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28488826/soccer-training-high-intensity-interval-training-is-mood-disturbing-while-small-sided-games-ensure-mood-balance
#6
Okba Selmi, Monoem Haddad, Lina Majed, Wissam Ben Khalifa, Marzougui Hamza, Karim Chamari
BACKGROUNDː The aim of the study was to compare the effects of high-intensity intermittent training (HIIT) versus small-sided games (SSG) in soccer on both the physiological responses and the mood state of players. METHODS: Sixteen professional soccer players took part in the study (age: 24.1±0.9 years). Testing of players was conducted on separate days in a randomized and counter-balanced order (each training session: 28-min: 4x4 minutes work with 3-min of passive recovery in-between)...
May 9, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28486332/short-term-heat-acclimation-and-precooling-independently-and-combined-improve-5-km-running-performance-in-the-heat
#7
C A James, A J Richardson, A G B Willmott, P W Watt, O R Gibson, N S Maxwell
Following heat acclimation (HA), endurance running performance remains impaired in hot vs temperate conditions. Combining HA with precooling demonstrates no additive benefit in intermittent sprint, or continuous cycling exercise protocols, during which heat strain may be less severe compared to endurance running. This study investigated the effect of short-term heat acclimation (STHA) combined with mixed-methods precooling, on endurance running performance and directly compared precooling and HA. Nine amateur trained runners completed 5 km treadmill time trials in the heat (32°C, 60% RH) under four conditions; no intervention (CON), precooling (PC), short-term heat acclimation (5 days - HA) and short-term heat acclimation with precooling (HA+PC)...
May 5, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28474871/effects-of-hydrogen-rich-water-on-prolonged-intermittent-exercise
#8
Alessandro DA Ponte, Nicola Giovanelli, Daniele Nigris, Stefano Lazzer
BACKGROUND: Recent studies showed a positive effect of Hydrogen Rich Water (HRW) intake on acid-basic homeostasis at rest. We investigated 2-weeks of HRW intake on repeated sprint performance and acid-base status during prolonged intermittent cycling exercise. METHODS: In a cross over single-blind protocol, eight trained male cyclists (age [mean ± SD] 41±7 years, body mass 72.3±4.4 kg, height 1.77±0.04 m, maximal oxygen uptake [V̇ O2max] 52.6±4.4 ml·kg-1·min-1) were provided daily with 2 liters of placebo normal water (PLA, pH 7...
April 26, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28469754/effects-of-the-off-season-period-on-field-and-assistant-soccer-referees-physical-performance
#9
Daniel Castillo, Jesús Cámara, Carlo Castagna, Javier Yanci
The evolution of referees' physical fitness has been studied over one or several seasons, however, the variation of the physical performance between the end of the competitive season (T1) and the start of the following pre-season (T2) has not been ascertained. Therefore, the aim of this study was to analyze the effects of the transition period on physical performance variables (i.e. linear straight sprint, change of direction ability and endurance) in National Soccer Division referees. Forty-five Spanish referees volunteered to participate in this study...
February 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28469751/physiological-acute-response-to-high-intensity-intermittent-and-moderate-intensity-continuous-5-km-running-performance-implications-for-training-prescription
#10
Carolina Cabral-Santos, José Gerosa-Neto, Daniela S Inoue, Fabrício E Rossi, Jason M Cholewa, Eduardo Z Campos, Valéria L G Panissa, Fábio S Lira
The aim of this study was to investigate the physiological responses to moderate-intensity continuous and high-intensity intermittent exercise. Twelve physically active male subjects were recruited and completed a 5-km run on a treadmill in two experimental sessions in randomized order: continuously (70% sVO2max) and intermittently (1:1 min at sVO2max). Oxygen uptake, excess post-exercise oxygen consumption, lactate concentration, heart rate and rating of perceived exertion data were recorded during and after each session...
February 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28467942/sprinting-toward-fitness
#11
Martin J Gibala, John A Hawley
Intense intermittent exercise, or interval training, is a powerful stimulus to induce many of the physiological adaptations typically associated with traditional, moderate-intensity continuous training. While coaches and athletes have recognized the value of interval training to enhance performance for over a century, recent scientific interest has focused on the application of this training method for health promotion. Despite renewed attention, the mechanistic basis for the physiological remodeling that occurs after interval training and the role that the stochastic nature of this type of exercise plays in mediating adaptive responses remains to be elucidated...
May 2, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28467495/identification-of-shedders-of-elephant-endotheliotropic-herpesviruses-among-asian-elephants-elephas-maximus-in-switzerland
#12
Mathias Ackermann, Jean-Michel Hatt, Nelli Schetle, Hanspeter Steinmetz
Elephants, particularly Asian (Elephas maximus), are threatened by lethal elephant hemorrhagic disease (EHD) due to elephant endotheliotropic herpesviruses (EEHV). At least five of seven known EEHV types have been associated to EHD, with types 1, 4, and 5 predominantly affecting Asian elephants. In Switzerland, at least three Asian elephants have been lost due to EHD but nothing is known about the present EEHV1 circulation. Moreover, the prevalence of other EEHV types has never been assessed. Intermittent shedding of EEHV can be monitored through collecting trunk secretions and analyzing them by PCR methods that discriminate the different EEHV types...
2017: PloS One
https://www.readbyqxmd.com/read/28466014/physical-and-physiological-demands-of-recreational-team-handball-for-adult-untrained-men
#13
Susana C A Póvoas, Carlo Castagna, Carlos Resende, Eduardo Filipe Coelho, Pedro Silva, Rute Santos, André Seabra, Juan Tamames, Mariana Lopes, Morten Bredsgaard Randers, Peter Krustrup
Lack of motivation to exercise was reported as a major cause of sedentary behavior in adulthood. This descriptive study examines the acute physical and physiological demands of recreational team handball and evaluates whether it could be suggested as an exercise mode for fitness and health enhancement in 33-55-year-old untrained men. Time-motion, heart rate (HR), and blood lactate analyses were obtained from 4 recreational matches. Mean distance covered during the 60 min matches was 6012 ± 428 m. The players changed match activity 386 ± 70 times, of which high-intensity runs and unorthodox movements amounted to 59 ± 18 and 26 ± 26 per match, respectively...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28464406/sustained-apnea-induces-endothelial-activation
#14
Lars Eichhorn, Ramona Dolscheid-Pommerich, Felix Erdfelder, Muhammad Ajmal Ayub, Theresa Schmitz, Nikos Werner, Felix Jansen
BACKGROUND: Apnea diving has gained worldwide popularity, even though the pathophysiological consequences of this challenging sport on the human body are poorly investigated and understood. This study aims to assess the influence of sustained apnea in healthy volunteers on circulating microparticles (MPs) and microRNAs (miRs), which are established biomarkers reflecting vascular function. HYPOTHESIS: Short intermittent hypoxia due to voluntary breath-holding affects circulating levels of endothelial cell-derived MPs (EMPs) and endothelial cell-derived miRs...
May 2, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28463901/a-mechanism-underlying-preventive-effect-of-high-intensity-training-on-colon-cancer
#15
Kaori Matsuo, Koji Sato, Ken Suemoto, Eri Miyamoto-Mikami, Noriyuki Fuku, Kazuhiko Higashida, Katsunori Tsuji, Yuzhong Xu, Xin Liu, Motoyuki Iemitsu, Takafumi Hamaoka, Izumi Tabata
INTRODUCTION: We examined effects of high intensity training on chemically induced aberrant crypt foci (ACF) in rat colon. We also investigated mechanisms that may underlie the results obtained, with a focus on secreted protein acidic and rich in cysteine (SPARC), which has been proposed as an exercise-related factor of colon cancer prevention. METHODS: After an administration of 1,2-dimethylhydrazine (DMH), F344 rats executed high-intensity intermittent swimming training (HIIST) (twelve 20-sec swimming with a weight [16% body weight] with 10-sec pauses between the bouts) 5 days/week for 4 weeks...
May 2, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28457971/double-dissociation-of-the-anterior-and-posterior-dorsomedial-caudate-putamen-in-the-acquisition-and-expression-of-associative-learning-with-the-nicotine-stimulus
#16
Sergios Charntikov, Steven T Pittenger, Natashia Swalve, Ming Li, Rick A Bevins
Tobacco use is the leading cause of preventable deaths worldwide. This habit is not only debilitating to individual users but also to those around them (second-hand smoking). Nicotine is the main addictive component of tobacco products and is a moderate stimulant and a mild reinforcer. Importantly, besides its unconditional effects, nicotine also has conditioned stimulus effects that may contribute to the tenacity of the smoking habit. Because the neurobiological substrates underlying these processes are virtually unexplored, the present study investigated the functional involvement of the dorsomedial caudate putamen (dmCPu) in learning processes with nicotine as an interoceptive stimulus...
April 27, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28436583/physical-activity-and-exercise-for-chronic-pain-in-adults-an-overview-of-cochrane-reviews
#17
REVIEW
Louise J Geneen, R Andrew Moore, Clare Clarke, Denis Martin, Lesley A Colvin, Blair H Smith
BACKGROUND: Chronic pain is defined as pain lasting beyond normal tissue healing time, generally taken to be 12 weeks. It contributes to disability, anxiety, depression, sleep disturbances, poor quality of life, and healthcare costs. Chronic pain has a weighted mean prevalence in adults of 20%.For many years, the treatment choice for chronic pain included recommendations for rest and inactivity. However, exercise may have specific benefits in reducing the severity of chronic pain, as well as more general benefits associated with improved overall physical and mental health, and physical functioning...
April 24, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28435687/an-evaluation-of-low-volume-high-intensity-intermittent-training-hiit-for-health-risk-reduction-in-overweight-and-obese-men
#18
Benjamin M Kelly, Soteris Xenophontos, James A King, Myra A Nimmo
ᅟ: Both sprint interval training (SIT) and high-intensity intermittent training (HIIT) have been described as time-efficient strategies for inducing favourable metabolic and cardiorespiratory adaptations in healthy and diseased participants. BACKGROUND: To date, little attention has been given to profiling the potential health benefits of HIIT or modified HIIT training within overweight and obese cohorts with particular focus on inflammation. Within this pilot trial, we tested the hypothesis that 6 sessions of HIIT performed over 2 weeks with 1-2 days' rest would improve aerobic capacity, glucose metabolism and inflammatory profile in an overweight and obese male cohort...
2017: BMC Obesity
https://www.readbyqxmd.com/read/28430695/cerebral-recovery-index-reliable-help-for-prediction-of-neurologic-outcome-after-cardiac-arrest
#19
Marleen C Tjepkema-Cloostermans, Jeannette Hofmeijer, Albertus Beishuizen, Harold W Hom, Michiel J Blans, Frank H Bosch, Michel J A M van Putten
OBJECTIVE: Early electroencephalography measures contribute to outcome prediction of comatose patients after cardiac arrest. We present predictive values of a new cerebral recovery index, based on a combination of quantitative electroencephalography measures, extracted every hour, and combined by the use of a random forest classifier. DESIGN: Prospective observational cohort study. SETTING: Medical ICU of two large teaching hospitals in the Netherlands...
April 20, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28429462/kinship-nomadism-and-humanitarian-aid-among-somalis-in-ethiopia
#20
Lauren Carruth
This paper draws on extended ethnographic and health policy research in eastern Ethiopia to reconsider kinship and nomadism among Somalis, as both of these cultural features transform in the contexts of recurrent humanitarian crises and episodic relief operations. The emergence and importance of new patterns of travel and migration among Somalis in Ethiopia reveal significant changes in the configurations and enactments of Somali kinship, on which many Somalis' mobility depends. Conversely, an analysis of Somalis' dynamic sub-clan groupings and geographically dispersed kinship networks also highlights emergent patterns of mobility and migration that enable access to training opportunities and employment with relief organisations, as well as to distributions of humanitarian aid...
April 21, 2017: Disasters
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