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.

Short-Term High-Intensity Interval Training Is Superior to Moderate-Intensity Continuous Training in Improving Cardiac Autonomic Function in Children

Cardiology ◽  
2018 ◽  
Vol 141 (1) ◽  
pp. 1-8 ◽  
Author(s):  
Anneke van Biljon ◽  
Andrew J. McKune ◽  
Katrina D. DuBose ◽  
Unathi Kolanisi ◽  
Stuart J. Semple
Keyword(s):  
Heart Rate ◽  
Standard Deviation ◽  
High Intensity ◽  
Interval Training ◽  
Moderate Intensity ◽  
High Intensity Interval Training ◽  
Short Term ◽  
Continuous Training ◽  
High Intensity Interval ◽  
The Impact

Objectives: This study aimed to investigate the impact of 3 isocaloric exercise programs on cardiac autonomic nervous system (ANS) functioning in children. Methods: One hundred nine children (39% boys and 61% girls) aged 10–13 years (mean 11.07 ± 0.81) were conveniently assigned to 1 of 4 groups as follows: Moderate-intensity continuous training (MICT; n = 29) at 65–70% of the predicted maximum heart rate (MHR), High-intensity interval training (HIIT; n = 29) at > 80% of the predicted MHR, HIIT and MICT combined on alternate weeks (ALT; n = 27), and a control group (n = 24). Morning ANS activity was assessed via analysis of heart rate variability (HRV), with the patient in supine position for 10 min, before and after the exercise intervention. Data Analysis: A 2-way analysis of variance was used to evaluate the effects of training on all HRV parameters (p < 0.05/4 = 0.0125). Results: After 5 weeks of training, significant improvements were observed for ln of the standard deviation of normal-to-normal intervals (p < 0.0001), ln of the root mean square of successive difference (p < 0.0001), and ln of standard deviation 1 (p < 0.0001), with superior results reported in the HIIT group (effect size [ES] = 2.22, 2.69, and 2.69) compared with the MICT (ES = 1.67, 1.75, and 1.75) and ALT (ES = 0.87, 1.06, and 1.06) groups, respectively. Conclusion: Short-term HIIT seems to induce superior alterations in cardiac ANS activity compared to MICT and ALT in children through enhanced vagal activity.

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.

Short-term High-intensity Interval Training and The Physiological Stress Response

2011 ◽  
Vol 43 (Suppl 1) ◽  
pp. 905-906
Author(s):  
Michael J. Ormsbee ◽  
Amber W. Kinsey ◽  
Minwook Chong ◽  
Heather S. Friedman ◽  
Tonya Dodge ◽  
...  
Keyword(s):  
Stress Response ◽  
High Intensity ◽  
Physiological Stress ◽  
Interval Training ◽  
High Intensity Interval Training ◽  
Short Term ◽  
Physiological Stress Response ◽  
High Intensity Interval

scholarly journals Short-Term High-Intensity Interval Training on Body Composition and Blood Glucose in Overweight and Obese Young Women

2016 ◽  
Vol 2016 ◽  
pp. 1-9 ◽  
Author(s):  
Zhaowei Kong ◽  
Shengyan Sun ◽  
Min Liu ◽  
Qingde Shi
Keyword(s):  
Body Composition ◽  
Blood Glucose ◽  
Cardiorespiratory Fitness ◽  
Young Women ◽  
High Intensity ◽  
Interval Training ◽  
Moderate Intensity ◽  
High Intensity Interval Training ◽  
Short Term ◽  
High Intensity Interval

This study was to determine the effects of five-week high-intensity interval training (HIIT) on cardiorespiratory fitness, body composition, blood glucose, and relevant systemic hormones when compared to moderate-intensity continuous training (MICT) in overweight and obese young women.Methods. Eighteen subjects completed 20 sessions of HIIT or MICT for five weeks. HIIT involved 60 × 8 s cycling at ~90% of peak oxygen consumption (V˙O2peak) interspersed with 12 s recovery, whereas MICT involved 40-minute continuous cycling at 65% ofV˙O2peak.V˙O2peak, body composition, blood glucose, and fasting serum hormones, including leptin, growth hormone, testosterone, cortisol, and fibroblast growth factor 21, were measured before and after training.Results. Both exercise groups achieved significant improvements inV˙O2peak(+7.9% in HIIT versus +11.7% in MICT) and peak power output (+13.8% in HIIT versus +21.9% in MICT) despite no training effects on body composition or the relevant systemic hormones. Blood glucose tended to be decreased after the intervention (p=0.062). The rating of perceived exertion in MICT was higher than that in HIIT (p=0.042).Conclusion. Compared with MICT, short-term HIIT is more time-efficient and is perceived as being easier for improving cardiorespiratory fitness and fasting blood glucose for overweight and obese young women.

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.

scholarly journals Impairment of Cycling Capacity in the Heat in Well-Trained Endurance Athletes After High-Intensity Short-Term Heat Acclimation

2019 ◽  
Vol 14 (8) ◽  
pp. 1058-1065 ◽  
Author(s):  
Thomas Reeve ◽  
Ralph Gordon ◽  
Paul B. Laursen ◽  
Jason K.W. Lee ◽  
Christopher J. Tyler
Keyword(s):  
High Intensity ◽  
Interval Training ◽  
Heat Acclimation ◽  
Endurance Athletes ◽  
Stress Tests ◽  
High Intensity Interval Training ◽  
Short Term ◽  
High Intensity Interval ◽  
C 50 ◽  
Perceived Strain

Purpose: To investigate the effects of short-term, high-intensity interval-training (HIIT) heat acclimation (HA). Methods: Male cyclists/triathletes were assigned into either an HA (n = 13) or a comparison (COMP, n = 10) group. HA completed 3 cycling heat stress tests (HSTs) to exhaustion (60% Wmax; HST1, pre-HA; HST2, post-HA; HST3, 7 d post-HA). HA consisted of 30-min bouts of HIIT cycling (6 min at 50% Wmax, then 12 × 1-min 100%-Wmax bouts with 1-min rests between bouts) on 5 consecutive days. COMP completed HST1 and HST2 only. HST and HA trials were conducted in 35°C/50% relative humidity. Cycling capacity and physiological and perceptual data were recorded. Results: Cycling capacity was impaired after HIIT HA (77.2 [34.2] min vs 56.2 [24.4] min, P = .03) and did not return to baseline after 7 d of no HA (59.2 [37.4] min). Capacity in HST1 and HST2 was similar in COMP (43.5 [8.3] min vs 46.8 [15.7] min, P = .54). HIIT HA lowered resting rectal (37.0°C [0.3°C] vs 36.8°C [0.2°C], P = .05) and body temperature (36.0°C [0.3°C] vs 35.8°C [0.3°C], P = .03) in HST2 compared with HST1 and lowered mean skin temperature (35.4°C [0.5°C] vs 35.1°C [0.3°C], P = .02) and perceived strain on day 5 compared with day 1 of HA. All other data were unaffected. Conclusions: Cycling capacity was impaired in the heat after 5 d of consecutive HIIT HA despite some heat adaptation. Based on data, this approach is not recommended for athletes preparing to compete in the heat; however, it is possible that it may be beneficial if a state of overreaching is avoided.

scholarly journals Effects of Heart Rate vs. Speed-Based High Intensity Interval Training on Aerobic and Anaerobic Capacity of Female Soccer Players

Sports ◽  
2017 ◽  
Vol 5 (3) ◽  
pp. 57 ◽  
Author(s):  
Hamid Arazi ◽  
Abbas Keihaniyan ◽  
Amin EatemadyBoroujeni ◽  
Amir Oftade ◽  
Sheida Takhsha ◽  
...  
Keyword(s):  
Heart Rate ◽  
High Intensity ◽  
Anaerobic Capacity ◽  
Interval Training ◽  
Soccer Players ◽  
High Intensity Interval Training ◽  
High Intensity Interval ◽  
Aerobic And Anaerobic
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