scholarly journals High Intensity Interval Training Leads to Greater Improvements in Acute Heart Rate Recovery and Anaerobic Power as High Volume Low Intensity Training

2017 ◽  
Vol 8 ◽  
Author(s):  
Thomas L. Stöggl ◽  
Glenn Björklund
Keyword(s):  
Heart Rate ◽  
High Intensity ◽  
Heart Rate Recovery ◽  
Anaerobic Power ◽  
Interval Training ◽  
High Volume ◽  
High Intensity Interval Training ◽  
Low Intensity ◽  
High Intensity Interval ◽  
Intensity Training

scholarly journals The Effect of Short-Term Wingate-Based High Intensity Interval Training on Anaerobic Power and Isokinetic Muscle Function in Adolescent Badminton Players

Children ◽  
2021 ◽  
Vol 8 (6) ◽  
pp. 458
Author(s):  
Duk-Han Ko ◽  
Yong-Chul Choi ◽  
Dong-Soo Lee
Keyword(s):  
Heart Rate ◽  
High Intensity ◽  
Muscle Function ◽  
Anaerobic Power ◽  
Interval Training ◽  
High Intensity Interval Training ◽  
Short Term ◽  
Power Test ◽  
High Intensity Interval ◽  
Knee Muscle

Badminton requires both aerobic fitness and anaerobic ability for high performance. High intensity interval training (HIIT) is a traditional training method for improving fitness. In this study, we investigated whether short-term Wingate-based HIIT is effective for improving anaerobic activity in youth badminton players. Participants included 32 total badminton players in middle school and high school. They were divided into two groups (HIIT and moderate continuous training (MCT)). Training occurred for 4 weeks in total, three times a week, for 30 min each session. A body composition test, isokinetic knee muscle function test (60°/s, 240°/s), Wingate anaerobic power test (30 s × 5 sets), and analysis of heart rate changes were undertaken before and after training. After 4 weeks, body fat decreased in the HIIT group (p = 0.019); they also showed superior anaerobic ability compared to the MCT group. Differences were statistically significant in 3–4 sets (three sets, p = 0.019; four sets, p = 0.021). Regarding fatigue, the HIIT group showed superior fatigue improvement after training and better fatigue recovery ability in 3~5 sets (three sets, p = 0.032; four sets, p = 0.017; five sets, p = 0.003) than the MCT group. Neither group exhibited changes in heart rate during the anaerobic power test after training. Both groups improved in terms of isokinetic knee muscle function at 60°/s with no differences. However, at 240°/s, the HIIT group showed a statistically significant improvement (p = 0.035). Therefore, HIIT for 4 weeks improved the athletes’ performance and physical strength.

scholarly journals Impact of Modality and Intensity of Early Exercise Training on Ventricular Remodeling after Myocardial Infarction

2020 ◽  
Vol 2020 ◽  
pp. 1-6
Author(s):  
Diego Fernando Batista ◽  
Bertha Furlan Polegato ◽  
Renata Candido da Silva ◽  
Renan Turini Claro ◽  
Paula Shmidt Azevedo ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Myocardial Infarction ◽  
Exercise Training ◽  
High Intensity ◽  
Interval Training ◽  
High Intensity Interval Training ◽  
Energetic Metabolism ◽  
Low Intensity ◽  
High Intensity Interval ◽  
Intensity Training

The objective of this study was to analyze the impact of different modalities and intensities of exercise training on cardiac remodeling started early after experimental myocardial infarction (MI). Male Wistar rats, weighing 200–250 g, were subjected to experimental MI. After 5 days, the animals were allocated into three experimental groups and observed for three months: S (sedentary control animals), C (animals subjected to continuous low-intensity training), and HIT (animals subjected to high-intensity interval training). Low-intensity exercise training was performed at a treadmill speed corresponding to 40% VO2 max, which was kept unchanged throughout the entire session (i.e., continuous low-intensity training). High-intensity interval training was performed in such a way that rats run during 3 min at 60% VO2 max, followed by 4-minute intervals at 85% VO2 max (i.e., high-intensity interval training). After the follow-up period, we studied hypertrophy and ventricular geometry, functional alterations in vivo and in vitro, oxidative stress, apoptosis, and cardiac energetic metabolism. Our data showed that both high-intensity interval and continuous low-intensity modalities improved cardiac energetic metabolism variables in comparison with sedentary infarcted animals. In addition, high-intensity interval training decreased cardiac oxidative stress, associated with improved diastolic function. On the other hand, the continuous low-intensity group showed impairment of cardiac function. Therefore, altogether, our data suggest that high-intensity interval training could be the best modality for early physical exercise after MI and should be better studied in this clinical scenario.

scholarly journals Influencia del Volumen e Intensidad de la Carga de Entrenamiento en la Frecuencia Cardiaca de Recuperación (Influence of Training Load Volume and Intensity on Heart Rate Recovery)

Retos ◽  
2016 ◽  
pp. 180-183
Author(s):  
Roberto Andrés González-Fimbres ◽  
Héctor Griego Amaya ◽  
Claudia Selene Cuevas-Castro ◽  
Germán Hernández Cruz
Keyword(s):  
Heart Rate ◽  
High Intensity ◽  
Performance Enhancement ◽  
Heart Rate Recovery ◽  
High Volume ◽  
Training Load ◽  
Low Intensity ◽  
Load Volume ◽  
Low Volume ◽  
Intensity Training

Cuantificar los componentes de volumen e intensidad de la carga de entrenamiento es importante para garantizar la mejora del rendimiento. El objetivo de este estudio fue el comparar los efectos del volumen y la intensidad de la carga de entrenamiento sobre la Frecuencia Cardiaca de Recuperación (FCR). Dos mujeres y cuatro hombres, (edad M: 21 ± 1.41, H: 25.75 ± 4.57 años) entrenados en deportes de resistencia llevaron a cabo dos tratamientos con la misma carga interna (TRIMP = 52 unidades arbitrarias) pero con variación en volumen e intensidad (T1 = intensidad alta y volumen bajo [86-91% FCres, 14.5 min, T2 = intensidad baja y volumen alto [72-78% FCres, 30.5 min]). Posterior al ejercicio se monitoreó la FCR en cinco momentos: al finalizar el esfuerzo (R1), 10 (R2), 20 (R3), 30 (R4) y 40 (R5) minutos después del esfuerzo. Se encontraron diferencias significativas (p ≤ .05) entre los valores de FCR en los cinco momentos. Los resultados sugieren que tratamientos de la misma carga interna existen diferencias entre la carga interna de los tratamientos, observando que la intensidad afecta de mayor manera a la FCR que el volumen. Abstract. Quantifing the effects of volume and intensity components of training load (TL) is essential in order to guarantee performance enhancement. The aim of this study was to compare the effects of training load volume and intensity on Heart Rate Recovery (HRR). Two women (age = 21 ± 1.41) and four men (age = 25.75 ± 4.57 years) trained in endurance sports performed two different treatments with equal TL (TRIMP = 52 arbitrary units) but different volume and intensity (Training 1 = high intensity, low volume [86-91% HRres, 14.5 min], Training 2 = low intensity, high volume [72-78% HRres, 30.5 min]). HRR was monitored after exercise in five moments: at the end of training (R1), and 10 (R2), 20 (R3), 30 (R4), and 40 (R5) minutes after effort. Significant differences were found in HRR values at each of the five intervals (p ≤ .05). Results suggest the existence of significant differences in TL between the two treatments. Outcomes also evidenced that intensity has a greater effect than volume on HRR.

Standardized Versus Customized High-Intensity Training: Effects on Cycling Performance

2014 ◽  
Vol 9 (2) ◽  
pp. 292-301 ◽  
Author(s):  
Benoit Capostagno ◽  
Michael I. Lambert ◽  
Robert P. Lamberts
Keyword(s):  
High Intensity ◽  
Heart Rate Recovery ◽  
Time Trial ◽  
Interval Training ◽  
Training Group ◽  
Cycling Performance ◽  
High Intensity Interval Training ◽  
High Intensity Training ◽  
High Intensity Interval ◽  
Intensity Training

Purpose:To determine whether a submaximal cycling test could be used to monitor and prescribe high-intensity interval training (HIT).Methods:Two groups of male cyclists completed 4 HIT sessions over a 2-wk period. The structured-training group (SG; n = 8, VO2max = 58.4 ± 4.2 mL · min−1 · kg−1) followed a predetermined training program while the flexible-training group (FG; n = 7, VO2max = 53.9 ± 5.0 mL · min−1 · kg−1) had the timing of their HIT sessions prescribed based on the data of the Lamberts and Lambert Submaximal Cycle Test (LSCT).Results:Effect-size calculations showed large differences in the improvements in 40-km time-trial performance after the HIT training between SG (8 ± 45 s) and FG (48 ± 42 s). Heart-rate recovery, monitored during the study, tended to increase in FG and remain unchanged in SG.Conclusions:The results of the current study suggest that the LSCT may be a useful tool for coaches to monitor and prescribe HIT.

Effects of interval training on risk markers for arrhythmic death: a randomized controlled trial

2019 ◽  
Vol 33 (8) ◽  
pp. 1320-1330 ◽  
Author(s):  
Maxime Boidin ◽  
Mathieu Gayda ◽  
Christine Henri ◽  
Doug Hayami ◽  
Lukas D Trachsel ◽  
...  
Keyword(s):  
Heart Rate ◽  
Acute Coronary Syndrome ◽  
High Intensity ◽  
Heart Rate Recovery ◽  
Interval Training ◽  
Moderate Intensity ◽  
High Intensity Interval Training ◽  
Continuous Training ◽  
Coronary Syndrome ◽  
High Intensity Interval

Objective: To compare the effects of high-intensity interval training versus moderate-intensity continuous training on risk markers of arrhythmic death in patients who recently suffered from an acute coronary syndrome. Design: Double-blind (patient and evaluator) randomized controlled trial. Setting: Cardiovascular Prevention and Rehabilitation Centre (EPIC Centre) of the Montreal Heart Institute, Montreal, Canada. Subjects: A total of 43 patients were randomized following an acute coronary syndrome. Interventions: Patients were assigned to either high-intensity interval training (n = 18) or isocaloric moderate-intensity continuous training (n = 19), three times a week for a total of 36 sessions. Main measures: Heart rate recovery for 5 minutes, heart rate variability for 24 hours, occurrence of ventricular arrhythmias, and QT dispersion were measured before and after the 36 sessions of training. Results: Among the 43 patients randomized, 6 participants in the high-intensity interval training group stopped training for reasons unrelated to exercise training and were excluded from the analyses. Heart rate recovery improved solely in the high-intensity interval training group, particularly at the end of recovery period ( p < 0.05). There were no differences in heart rate variability, occurrence of ventricular arrhythmias, or QT dispersion parameters between the groups at study end. Conclusion: Despite the lack of power to detect any large difference between the two interventions with respect to risk markers of arrhythmic death, high-intensity interval training appears safe and may be more effective at improving heart rate recovery relative to moderate-intensity continuous training in our patients following acute coronary syndrome.

Is high-intensity interval training a time-efficient exercise strategy to improve health and fitness?

2014 ◽  
Vol 39 (3) ◽  
pp. 409-412 ◽  
Author(s):  
Jenna B. Gillen ◽  
Martin J. Gibala
Keyword(s):  
High Intensity ◽  
Disease Risk ◽  
Interval Training ◽  
High Volume ◽  
Oxidative Capacity ◽  
High Intensity Interval Training ◽  
Exercise Participation ◽  
Cardiometabolic Disorders ◽  
Low Volume ◽  
High Intensity Interval

Growing research suggests that high-intensity interval training (HIIT) is a time-efficient exercise strategy to improve cardiorespiratory and metabolic health. “All out” HIIT models such as Wingate-type exercise are particularly effective, but this type of training may not be safe, tolerable or practical for many individuals. Recent studies, however, have revealed the potential for other models of HIIT, which may be more feasible but are still time-efficient, to stimulate adaptations similar to more demanding low-volume HIIT models and high-volume endurance-type training. As little as 3 HIIT sessions per week, involving ≤10 min of intense exercise within a time commitment of ≤30 min per session, including warm-up, recovery between intervals and cool down, has been shown to improve aerobic capacity, skeletal muscle oxidative capacity, exercise tolerance and markers of disease risk after only a few weeks in both healthy individuals and people with cardiometabolic disorders. Additional research is warranted, as studies conducted have been relatively short-term, with a limited number of measurements performed on small groups of subjects. However, given that “lack of time” remains one of the most commonly cited barriers to regular exercise participation, low-volume HIIT is a time-efficient exercise strategy that warrants consideration by health practitioners and fitness professionals.

scholarly journals The Effects of High-Intensity Interval Training vs. Moderate-Intensity Continuous Training on Heart Rate Variability in Physically Inactive Adults

2018 ◽  
Vol 15 (7) ◽  
pp. 1508 ◽  
Author(s):  
Abdullah Alansare ◽  
Ken Alford ◽  
Sukho Lee ◽  
Tommie Church ◽  
Hyun Jung
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
High Intensity ◽  
Interval Training ◽  
Moderate Intensity ◽  
High Intensity Interval Training ◽  
Continuous Training ◽  
Significant Interaction Effect ◽  
High Intensity Interval ◽  
Physically Inactive

Physically inactive adults are prevalent worldwide. This study compared the effects of short-term high-intensity interval training (HIIT) versus moderate-intensity continuous training (MICT) on heart rate variability (HRV) in physically inactive adults as a preliminary study. Thirteen physically inactive male adults (27.5 ± 3.80 years) were randomly assigned to HIIT (N = 7) or MICT (N = 6). The HIIT program consisted of 20 min of interval training with cycling to rest ratio of 10/50 s at ≥90% HRpeak, while the MICT program consisted of 40 min of continuous cycling at 60–75% HRpeak. Both groups completed eight sessions of training within two weeks. Time and frequency domains of HRV were measured for 20 min with Actiwave-Cardio monitor (CamNtech, UK). The number of R-R interval and inter-beat interval (IBI) were significantly improved (p < 0.05) in both HIIT and MICT programs following eight sessions of training. A significant interaction effect for group by time was found in the lnLF/HF ratio (p < 0.05) where it was only improved in the HIIT group from pre- to post-test. The HIIT program is superior to MICT in improving HRV in physically inactive adults. The HIIT program can be applied as a time-efficient program for improving cardiac-autoregulation.

Comparison of different volumes of high intensity interval training on cardiac autonomic function in sedentary young women

2017 ◽  
Vol 31 (6) ◽  
Author(s):  
Pooja Bhati ◽  
Vishal Bansal ◽  
Jamal Ali Moiz
Keyword(s):  
Heart Rate ◽  
Body Composition ◽  
Muscle Strength ◽  
Young Women ◽  
High Intensity ◽  
High Frequency ◽  
Interval Training ◽  
Treadmill Running ◽  
High Intensity Interval Training ◽  
High Intensity Interval

Abstract Purpose The present study was conducted to compare the effects of low volume of high intensity interval training (LVHIIT) and high volume of high intensity interval training (HVHIIT) on heart rate variability (HRV) as a primary outcome measure, and on maximum oxygen consumption (VO2max), body composition, and lower limb muscle strength as secondary outcome measures, in sedentary young women. Methods Thirty-six participants were recruited in this study. The LVHIIT group (n = 17) performed one 4-min bout of treadmill running at 85%–95% maximum heart rate (HRmax), followed by 3 min of recovery by running at 70% HRmax, three times per week for 6 weeks. The HVHIIT group (n = 15) performed four times 4-min bouts of treadmill running at 85%–95% HRmax, interspersed with 3-min of recovery by running at 70% HRmax, 3 times per week for 6 weeks. All criterion measures were measured before and after training in both the groups. Results Due to attrition of four cases, data of 32 participants was used for analysis. A significant increase in high frequency (HF) power (p < 0.001) and decrease in the ratio of low frequency to high frequency power (LF/HF) ratio (p < 0.001) in HRV parameters, was observed post-HVHIIT, whereas, these variables did not change significantly (HF: p = 0.92, LF/HF ratio: p = 0.52) in LVHIIT group. Nevertheless, both the interventions proved equally effective in improving aerobic capacity (VO2max), body composition, and muscle strength. Conclusion The study results suggest that both LVHIIT and HVHIIT are equally effective in improving VO2max, body composition, and muscle strength, in sedentary young women. However, HVHIIT induces parasympathetic dominance as well, as measured by HRV.

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