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PubMed Journals Articles About "Does The Timing Of When High Intensity Intermittent Exercise Is Undertaken Matter?" RSS

12:07 EST 17th November 2019 | BioPortfolio

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Showing "Does Timing When High Intensity Intermittent Exercise Undertaken" PubMed Articles 1–25 of 35,000+

Intensity Matters: High-intensity Interval Exercise Enhances Motor Cortex Plasticity More Than Moderate Exercise.

A single bout of cardiovascular exercise can enhance plasticity in human cortex; however, the intensity required for optimal enhancement is debated. We investigated the effect of exercise intensity on motor cortex synaptic plasticity, using transcranial magnetic stimulation. Twenty healthy adults (Mage = 35.10 ± 13.25 years) completed three sessions. Measures of cortico-motor excitability (CME) and inhibition were obtained before and after a 20-min bout of either high-intensity interval exercise, m...


Tabata training: one of the most energetically effective high-intensity intermittent training methods.

For decades, high-intensity interval/intermittent exercise training methods have been used by elite athletes to improve their performance in sports. One of the most effective training methods, i.e., 'Tabata training,' is reviewed herein from the viewpoint of the energetics of exercise. The prior research describing the metabolic profile and effects of Tabata training is also summarized, with some historical anecdotes.

Timing of high-intensity intermittent exercise affects ad libitum energy intake in overweight inactive men.

The present study sought to clarify the impact of exercise intensity and timing on energy intake and appetite-related blood variables. Fourteen inactive overweight men were included in the study. Firstly, maximal aerobic power (MAP) was measured. Participants randomly performed 5 experimental sessions consisting of 30 min of steady-state exercise (SSE) at 50% of MAP, high-intensity intermittent exercise (HIIE) with 30s repetitions at MAP and 30s of passive recovery or no exercise (CTRL). Sessions were per...


Cytokine and Sclerostin Response to High-Intensity Interval Running versus Cycling.

This study examined whether the exercise-induced changes in inflammatory cytokines differ between impact and no-impact high intensity interval exercise, and whether they are associated with post-exercise changes in sclerostin.

The Acute Effect of High-Intensity Exercise on Executive Function: A Meta-Analysis.

High-intensity exercise has recently emerged as a potent alternative to aerobic regimens, with ramifications for health and brain function. As part of this trend, single sessions of intense exercise have been proposed as powerful, noninvasive means for transiently enhancing cognition. However, findings in this field remain mixed, and a thorough synthesis of the evidence is lacking. Here, we synthesized the literature in a meta-analysis of the acute effect of high-intensity exercise on executive function. We...

Effect of high-intensity exercise on cardiorespiratory fitness in stroke survivors: a systematic review and meta-analysis.

Knowledge of the optimal protocol and safety of particularly high-intensity exercise applied to individuals with stroke is lacking.

QTc interval prolongation during recovery from brief high-intensity intermittent exercise in obese adults.

The risk of malignant arrhythmias is higher during extremely intense exercise and after its cessation. It is still unclear whether high-intensity interval exercise (HIE), an increasingly popular option in preventive and rehabilitative medicine, can lead to an impaired electrophysiological milieu, as revealed by QT interval prolongation on an electrocardiogram. This study investigated heart rate-corrected QT interval (QTc) dynamics during recovery from HIE in obese adults. In total, 13 obese males (age: 24.3...

Appetite control and exercise: Does the timing of exercise play a role?

The prevention and management of chronic diseases, particularly overweight and obesity, relies on multidisciplinary strategies mainly combining dietary approaches with physical activity. Recently, the timing of exercise (time of the day as well as delay/position relative to a meal) has been suggested as an important parameter to consider when prescribing physical activity. Some studies have for instance shown the interest of the timing of exercise on the glycemia, sleep and body composition regulation. Howe...

Aerobic exercise with blood flow restriction affects mood state in a similar fashion to high intensity interval exercise.

We investigated the acute effects of aerobic exercise with blood flow restriction (BFR) on mood state in American football athletes. Twenty-two male American football athletes were randomly assigned to three experimental conditions: 1) aerobic exercise (AE: 40% VO), 2) aerobic exercise with BRF (AE + BFR: 40% VO), and 3) high-intensity interval exercise (HIIE: 80% and 40% VO during exercise and the active intervals, respectively). Mood state and total mood disturbance (TMD) were assessed before, immedia...

Effects of three low-volume, high-intensity exercise conditions on affective valence.

A common barrier to exercise is "lack of time". Accordingly, interest in low-volume, high-intensity training has grown exponentially since this activity is considered time-efficient. However, the high-intensity nature of this exercise may frequently result in feelings of displeasure creating another barrier for many people. The purpose of this study was to compare affective (pleasure-displeasure) responses to three low-volume, high-intensity exercise conditions, including a novel shortened-sprint protocol. ...

Low intensity blood flow restriction exercise: Rationale for a hypoalgesia effect.

Exercise-induced hypoalgesia is characterised by a reduction in pain sensitivity following exercise. Recently, low intensity exercise performed with blood flow restriction has been shown to induce hypoalgesia. The purpose of this manuscript is to discuss the mechanisms of exercise-induced hypoalgesia and provide rationale as to why low intensity exercise performed with blood flow restriction may induce hypoalgesia. Research into exercise-induced hypoalgesia has identified several potential mechanisms, inclu...

Heart rate variability mediates motivation and fatigue throughout a high-intensity exercise program.

High-intensity exercise interventions are often promoted as a time-efficient public health intervention to combat chronic disease. However, increased physical effort and subsequent fatigue can be barriers to long-term maintenance of high-intensity exercise programs. The purpose of the present study was to determine if heart rate variability (HRV) mediated state traits related to exercise program adherence. Fifty-five healthy men and women (ages 19-35 years) used a commercially available smartphone applicati...

Hyperinsulinaemia and hyperglycaemia promote glucose utilization and storage during low- and high-intensity exercise.

The effect of hyperglycaemia with and without additional insulin was explored at a low and high intensity of exercise (40% vs 70% VO) on glucose utilization (GUR), carbohydrate oxidation, non-oxidative glucose disposal (NOGD), and muscle glycogen.

Exercise Intensity Matters in Chronic Nonspecific Low Back Pain Rehabilitation.

Exercise therapy (ET) is advocated as a treatment for chronic nonspecific low back pain (CNSLBP). However, therapy effect sizes remain low. In other chronic disorders, training at higher intensity has resulted in greater improvements on both general health related and disease specific outcomes compared to lower intensity ET. Possibly, high intensity training also improves effect sizes in CNSLBP.

Time Lag and Accuracy of Continuous Glucose Monitoring During High Intensity Interval Training in Adults with Type 1 Diabetes.

This study investigated the accuracy of real-time continuous glucose monitoring (rtCGM) during high intensity interval training (HIIT) in patients with type 1 diabetes (T1D). Seventeen participants with T1D, using multiple daily injections (MDI) with basal insulin glargine 300 U/mL (Gla-300), completed four fasted HIIT sessions over 4 weeks while wearing a Dexcom rtCGM G4 Platinum system. Each exercise consisted of high intensity interval cycling and multimodal training over 25 min. Reference venous pl...

Patient perspectives of vigorous intensity aerobic interval exercise prehabilitation prior to radical cystectomy: a qualitative focus group study.

Preoperative cardiopulmonary fitness is increasingly being recognized as an important factor influencing postoperative recovery outcomes in cancer patients. The aim of this study was to explore patient perspectives of preoperative high intensity aerobic interval exercise before radical cystectomy. Focus groups involving a purposive convenience sample of patients with bladder cancer ( = 14; mean age ± SD: 72.3 ± 6.0 years) were undertaken in a hospital education department. Data were analyze...

Inducing incentive sensitization of exercise reinforcement among adults who do not regularly exercise-A randomized controlled trial.

Increasing exercise reinforcement, or decreasing sedentary reinforcement, may reduce sedentary activity and promote habitual exercise. Repeated exposures to a reinforcer may increase its reinforcing value (i.e., incentive sensitization). It is not yet known whether incentive sensitization occurs for exercise or factors associated with incentive sensitization for exercise reinforcement. The purpose was to determine whether exercise exposures increase exercise reinforcement relative to a sedentary alternative...

Dynamics of the power-duration relationship during prolonged endurance exercise and influence of carbohydrate ingestion.

We tested the hypotheses that the parameters of the power-duration relationship, estimated as the end-test power (EP) and work done above EP (WEP) during a 3-min all out exercise test (3MT), would be reduced progressively following 40 min, 80 min and 2 h of heavy-intensity cycling, and that carbohydrate (CHO) ingestion would attenuate the reduction in EP and WEP. Sixteen participants completed a 3MT without prior exercise (control), immediately after 40 min, 80 min and 2-h of heavy-intensity exercise while ...

PERCEPTUAL RESPONSES TO CONTINUOUS VERSUS INTERMITTENT BLOOD FLOW RESTRICTION EXERCISE: A RANDOMIZED CONTROLLED TRIAL.

We investigated the perceptual responses to resistance exercise (RE) with continuous and intermittent blood flow restriction (BFR). Fourteen males randomly completed the following exercise conditions: low-load RE with continuous BFR (cBFR), low-load RE with intermittent BFR (iBFR), low-load RE without BFR (LI), and traditional high-load RE (HI). Participants completed 4 sets of 30-15-15-15 repetitions of bilateral leg press and knee extension exercises during the low-load conditions, at 20% of one-repetitio...

High-Intensity Physical Exercise in a Glioblastoma Patient under Multimodal Treatment.

Glioblastoma multiforme (GBM) carries a strongly unfavorable prognosis despite intensive multidisciplinary therapy. Physical exercise is rarely offered to patients for fear of adverse events such as falls, epileptic seizures, or bleeding, despite little supporting evidence. Here, we report a study of high-level and long-term exercise in a GBM patient.

Impact of High-intensity Interval Exercise and Moderate-Intensity Continuous Exercise on the Cardiac Troponin T Level at an Early Stage of Training.

An elevation in cardiac troponin T (cTnT), as a highly specific biomarker of cardiomyocyte damage, after moderate-intensity continuous exercise (MCE) has been described. The exercise-induced cTnT response distorts the diagnostic role of the cTnT assay. Although high-intensity interval exercise (HIE) is growing in popularity and concerns remain about its safety, available data related to cTnT release after HIE is limited, which hampers the use of HIE as a health intervention. Here, we present three represent...

A Prior High-Intensity Exercise Bout Attenuates the Vascular Dysfunction Resulting From a Prolonged Sedentary Bout.

This study sought to determine the impact of an acute prior bout of high-intensity interval aerobic exercise on attenuating the vascular dysfunction associated with a prolonged sedentary bout.

Assessment of behavioral determinants influencing success of supervised exercise therapy in patients with intermittent claudication: A cross sectional survey.

Supervised exercise therapy is the first step in treatment of intermittent claudication. However, adherence to supervised exercise therapy is low. Limited access and reimbursement issues are known reasons, though lack of motivation is often leading. Behavioral determinants influencing motivation and thus adherence to supervised exercise therapy remain to be investigated. In this study we sought to determine which behavioral determinants would be of influence on the long-term adherence of supervised exercise...

Moderate-to-high intensity exercise with person-centered guidance influences fatigue in older adults with rheumatoid arthritis.

Fatigue is described as a dominant and disturbing symptom of rheumatoid arthritis (RA) regardless of the advances in pharmacological treatment. Fatigue is also found to correlate with depression. The objective was to evaluate the impact of moderate-to-high intensity, aerobic and resistance exercise with person-centered guidance on fatigue, anxiety and depression, in older adults with RA. Comparisons were made between older adults (> 65 years) with RA taking part in a 20-week moderate-to-high intensity ex...

The effects of moderate and high intensity exercise on circulating markers of endothelial integrity and activation in young, healthy men.

Endothelial function typically exhibits a hormetic response to exercise. It is unknown whether endothelial damage occurs in response to acute exercise and could be a contributing mechanism. We sought to determine the effects of acute exercise on endothelial-derived circulating factors proposed to reflect endothelial integrity and activation. Ten young, healthy men underwent 30-minute moderate continuous (MOD) and high intensity interval (HII) cycling exercise bouts. Venous blood samples were taken immediate...


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