Download or read book The Effect of High Intensity Interval Training on VO2 Peak and Performance in Trained High School Rowers written by Natasha Carr and published by . This book was released on 2011 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: High Intensity Interval Training (HIIT) is a phrase quickly becoming popularized through current research due to the physical and physiological success this method of training has proven to yield in both untrained and trained individuals. There is no set definition used to describe HIIT, but it typically refers to repeated bouts of fairly brief intermittent exercise. A great deal of research outlines the benefits associated with utilizing HIIT in untrained and recreationally trained individuals. However, research on the effect HIIT has or could possibly have on the well-trained endurance athlete is limited, specifically in the sport of rowing. The purpose of this study was to analyze the effect of HIIT on VO2 peak and performance in trained rowers when compared to traditional, endurance training. It was hypothesized that HIIT would be just as effective at improving VO2 peak and performance as the endurance training protocol in well-trained rowers. A total of 20 high school female rowers participated in the study (mean ± SD; age = 16 ± 1). Baseline testing was comprised of a 2000m time-trial test on the Concept IIc Rowing Ergometer and a maximal exercise test, which was also completed on the Concept IIc Ergometer, in order to determine VO2 peak. Subjects were randomly assigned to a HIIT or endurance group for four weeks of intervention. Three days/week the HIIT group completed a 6 by 30second repeated Wingate protocol on the Concept II Ergometer at or above 100% VO2 peak, in which each 30s maximal effort was immediately followed by an active recovery of four-minutes. The endurance group completed 30 minutes of sub-maximal rowing at 65% of VO2 peak three days/week. After four weeks of intervention, post-testing took place, which was identical to baseline testing. Results from this study suggest HIIT was just as effective as endurance training at improving 2k time (mean ± SD; HIIT: 498.7 ± 23.1; Endurance: 497.5 ± 17.6). There were no significant within or between group differences in VO2 peak post-intervention (mean ± SD; HIIT: 44.8 ± 4.0; Endurance: 45.8 ± 5.6). The current study suggests four-weeks of HIIT training can yield similar adaptations in performance when compared to endurance training.

Download or read book ISPHE 2020 written by Oktia Handayani and published by European Alliance for Innovation. This book was released on 2020-09-29 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sports Science Faculty, Universitas Negeri Semarang is the host of the 5th International Seminar on Physical Health and Education (ISPHE), which were held virtually on July 22nd, 2020 in Semarang (Indonesia), in collaboration with the Health Education National Networking (JNPK) Indonesia, the Indonesian Public Health Association (IAKMI) and some prominent Indonesia universities in health education and sport (Malang State University, Gorontalo State University, and Manado State University). This seminar brings together academic experts and practitioners from South East Asia and beyond to share new knowledge, ideas, and experiences pertaining to Health Education, Physical Activities, and Applied Technology for Health as well as those in related fields in order to accommodate more aspirations and expressions of sport’s and health communities.

Download or read book The Effects of High Intensity Interval Training in Conjunction with Functional Training Equipment on VO2max and Peak Power in Recreationally Trained Individuals written by Christopher Sataray and published by . This book was released on 2016 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book High Intensity Exercise in Hypoxia Beneficial Aspects and Potential Drawbacks written by Olivier Girard and published by Frontiers Media SA. This book was released on 2018-01-25 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the past, ‘traditional’ moderate-intensity continuous training (60-75% peak heart rate) was the type of physical activity most frequently recommended for both athletes and clinical populations (cf. American College of Sports Medicine guidelines). However, growing evidence indicates that high-intensity interval training (80-100% peak heart rate) could actually be associated with larger cardiorespiratory fitness and metabolic function benefits and, thereby, physical performance gains for athletes. Similarly, recent data in obese and hypertensive individuals indicate that various mechanisms – further improvement in endothelial function, reductions in sympathetic neural activity, or in arterial stiffness – might be involved in the larger cardiovascular protective effects associated with training at high exercise intensities. Concerning hypoxic training, similar trends have been observed from ‘traditional’ prolonged altitude sojourns (‘Live High Train High’ or ‘Live High Train Low’), which result in increased hemoglobin mass and blood carrying capacity. Recent innovative ‘Live Low Train High’ methods (‘Resistance Training in Hypoxia’ or ‘Repeated Sprint Training in Hypoxia’) have resulted in peripheral adaptations, such as hypertrophy or delay in muscle fatigue. Other interventions inducing peripheral hypoxia, such as vascular occlusion during endurance/resistance training or remote ischemic preconditioning (i.e. succession of ischemia/reperfusion episodes), have been proposed as methods for improving subsequent exercise performance or altitude tolerance (e.g. reduced severity of acute-mountain sickness symptoms). Postulated mechanisms behind these metabolic, neuro-humoral, hemodynamics, and systemic adaptations include stimulation of nitric oxide synthase, increase in anti-oxidant enzymes, and down-regulation of pro-inflammatory cytokines, although the amount of evidence is not yet significant enough. Improved O2 delivery/utilization conferred by hypoxic training interventions might also be effective in preventing and treating cardiovascular diseases, as well as contributing to improve exercise tolerance and health status of patients. For example, in obese subjects, combining exercise with hypoxic exposure enhances the negative energy balance, which further reduces weight and improves cardio-metabolic health. In hypertensive patients, the larger lowering of blood pressure through the endothelial nitric oxide synthase pathway and the associated compensatory vasodilation is taken to reflect the superiority of exercising in hypoxia compared to normoxia. A hypoxic stimulus, in addition to exercise at high vs. moderate intensity, has the potential to further ameliorate various aspects of the vascular function, as observed in healthy populations. This may have clinical implications for the reduction of cardiovascular risks. Key open questions are therefore of interest for patients suffering from chronic vascular or cellular hypoxia (e.g. work-rest or ischemia/reperfusion intermittent pattern; exercise intensity; hypoxic severity and exposure duration; type of hypoxia (normobaric vs. hypobaric); health risks; magnitude and maintenance of the benefits). Outside any potential beneficial effects of exercising in O2-deprived environments, there may also be long-term adverse consequences of chronic intermittent severe hypoxia. Sleep apnea syndrome, for instance, leads to oxidative stress and the production of reactive oxygen species, and ultimately systemic inflammation. Postulated pathophysiological changes associated with intermittent hypoxic exposure include alteration in baroreflex activity, increase in pulmonary arterial pressure and hematocrit, changes in heart structure and function, and an alteration in endothelial-dependent vasodilation in cerebral and muscular arteries. There is a need to explore the combination of exercising in hypoxia and association of hypertension, developmental defects, neuro-pathological and neuro-cognitive deficits, enhanced susceptibility to oxidative injury, and possibly increased myocardial and cerebral infarction in individuals sensitive to hypoxic stress. The aim of this Research Topic is to shed more light on the transcriptional, vascular, hemodynamics, neuro-humoral, and systemic consequences of training at high intensities under various hypoxic conditions.

Download or read book The Effects of Three Weeks of High intensity Interval Training Versus High volume Training in Female Collegiate Rowers written by Teddi R. Dwyer and published by . This book was released on 2011 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Oxford Textbook of Children s Sport and Exercise Medicine 4e written by and published by Oxford University Press. This book was released on 2023-07-26 with total page 785 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 4th edition of the Oxford Textbook of Children's Sport and Exercise Medicine is the definitive single-volume reference in the field presented in four sections Exercise Science; Exercise Medicine; Sport Science; and Sport Medicine.

Download or read book Effects of a Novel High Intensity Interval Training Protocol Versus Continuous Training in National and International Class Collegiate Rowers on Indices of Aerobic and Anaerobic Power written by Sylvie Danielle Richer and published by . This book was released on 2015 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this investigation was to compare 6 high intensity interval training (HIIT) sessions with predominately continuous training (CONT) over 11 days on highly trained rowers. Two groups (n=8) completed an incremental ramp test to determine Peak Aerobic Power (PAP), and a Critical Power test (CP). HIIT sessions consisted of 10 bouts of 10 s work (140% of PAP) with 5 s recovery, followed by 8 min of active recovery; repeated 6 times. 60 s power decreased in CONT (510±167-489±171W; p=0.02). CP increased in both groups (HIIT: 336±59-360±59W; CONT: 290±73-316±74W; p≤0.05). W' decreased in CONT only (14256±7022-11303±7360J; p=0.01). Mean Power Output Measure (MPOM) (10s, 60s, CP, and PAP) showed an improvement for HIIT (464±158- 496±184W; p=0.01) vs. CONT (433±186-433±181W; p30.05). This study has demonstrated that 6 sessions of a novel HIIT protocol will increase MPOM, while maintaining anaerobic capacity compared to a predominantly CONT training protocol in elite rowers.

Download or read book The Effects of High Intensity Interval Training on Pulmonary Function written by Cali A. Dunham and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: High-intensity interval training (HIT) has been utilized as a time-efficient strategy to induce numerous physiological adaptations and improve performance usually associated with "traditional" endurance training (ET). It is not known however, if HIT might lead to improvements in pulmonary function. Therefore we hypothesized that HIT would increase respiratory muscle strength and expiratory flow rates. Fifteen healthy subjects were randomly assigned to an ET group (n = 7) and a HIT group (n = 8). All subjects performed an incremental test to exhaustion (VO2 max) on a cycle ergometer prior to and after training. Standard pulmonary function tests, maximum inspiratory pressure (PImax), maximum expiratory pressure (PEmax), and maximal flow volume loops, were performed pre training and after each week of training. HIT subjects performed a four week training program on a cycle ergometer at 90% of their VO2 max final workload while the ET subjects performed exercise at 60-70% of their VO2 max final workload. All subjects trained three days/ week. The HIT group performed five one-minute bouts with three minute recovery periods and the ET group cycled for 45 minutes continuously at a constant workload. A five-mile time trial was performed prior to training, after two weeks of training, and after four weeks of training. Both groups showed similar (p0.05) increases in VO2 max (~8-10%) and improvements in time trials following training (HIT 6.5 " 1.3%, ET 4.4 " 1.8%) with no difference (p0.05) between groups. Both groups increased (p0.05) PImax post training (ET ~25%, HIT ~43%) with values significantly higher for HIT than ET. There was no change (p0.05) in expiratory flow rates with training in either group. These data suggest that whole body exercise training is effective in increasing inspiratory muscle strength with HIT leading to greater improvements than ET. Also, HIT offers a time-efficient alternative to ET in improving aerobic capacity and performance.

Download or read book The metabolic effects of high intensity interval training combining rowing and cycling in obesity and type 2 diabetes written by and published by . This book was released on with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Influence of High intensity Interval Training on Endurance Performance in Well Trained Cyclists written by Paul B. Laursen and published by . This book was released on 2003 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Effect of Two High Intensity Interval Training Protocols on Heart Rate Caloric Expenditure and Substrate Utilization During Exercise and Recovery written by Sarah A. McGlinchy and published by . This book was released on 2012 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt: Regular physical activity is recommended for the prevention of many chronic diseases and maintaining healthy body composition. Although the beneficial effects of regular exercise are well known and used to promote exercise videos, the claims made in many advertisements are often not validated. PURPOSE: To determine the effects of two different types of high intensity interval exercise protocols in respect to heart rate (HR) during exercise and recovery, pulmonary O2 uptake (VO2), CO2 output (VCO2), caloric expenditure (CE), and substrate utilization during recovery, and psychological impacts of exercise on feelings in trained individuals. METHODS: Healthy subjects (n=15,11 F, 4 M, 21.8 ± 0.83 yrs, ± SE) participated in this study. Subjects underwent two familiarization sessions prior to data collection where they completed either the Insanity® Plyometric Cardio Circuit (INS) or Turbo Fire® HIIT 30 (TF) exercises in a randomized order. The HR was measured at rest (30 min), during exercise and recovery (60 min) and expressed as % of age-predicted maximal HR (APMHR) and peak HR. Gas exchange was measured at rest and recovery. Responses of VO2, VCO2, RER were averaged at rest and five minute intervals during recovery. The caloric equivalent value for RER was used to find CE (kcal/min) at rest and corresponding five minute intervals during recovery. RESULTS: There was no difference (P>0.05) in peak HR (TF: 176.8 bpm, INS: 179.7 bpm). There was no difference (P>0.05) in % APMHR reached (TF: 89.4%, INS: 90.9%). There was no difference in the amount of time spent at 61-70% (TF: 510s, INS: 630s) and 71-80% APMHR (TF: 575s, INS: 517s), but there was more time spent at 81-90% APMHR (TF: 576.4s, INS: 995s). Six out of 15 subjects reached>91%APMHR in TF, and nine out of 15 subjects in INS. The HR was higher (P0.05) after INS (55min). The recovery HR was higher (P0.05) than resting HR after TF and INS (60min). Values of VO2 were higher (P

Download or read book THE EFFECTS OF HIGH INTENSITY INTERVAL TRAINING ON THE POST STROKE POPULATION A SYSTEMATIC REVIEW written by Kristian Lynne Wendel and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Objective: Conduct a systematic review to determine the feasibility and effectiveness of high-intensity interval training (HIIT) on the post-stroke population.Data Sources: Academic Search Ultimate, CINAHL, and PubMed Central were searched April 2018-January 2019. Inclusion criteria included: studies published between 2010-2019, in English, participants were of the post-stroke population, and HIIT interventions.Study Selection: Thirteen studies were identified: six randomized controlled trials and seven outcome studies. PEDro scores ranged from three to eight. Points were commonly lost secondary to lack of blind subjects, therapists, and assessors. All articles were included in PEDro scoring, as well as two additional studies used as informational references. Data Extraction: Data was extracted by three authors and analyzed independently.Data Synthesis: Nine studies performed HIIT on a treadmill, one cycling, one NuStep, one task-oriented, and one study on a stepper. HIIT improved VO2 max in the post-stroke population in five out of seven articles. Of the five, one study found continued improvement after one year. Participants in eight out of nine studies had improved walking performance following HIIT. Individually, four studies found gains in grip strength, skill retention, functional reach, and HR peak. HIIT has improved corticomotor excitability and nerve conduction latency in two separate studies. Conclusion: With proper pre-screening and monitoring, HIIT in post-stroke rehabilitation proved to be both feasible and more effective than conventional therapy protocols. Incorporating principles of HIIT into treatment programs can improve walking performance, increase aerobic capacity, and overall quality of life.

Download or read book Science and Application of High Intensity Interval Training written by Laursen, Paul and published by Human Kinetics. This book was released on 2019 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: The popularity of high-intensity interval training (HIIT), which consists primarily of repeated bursts of high-intensity exercise, continues to soar because its effectiveness and efficiency have been proven in use by both elite athletes and general fitness enthusiasts. Surprisingly, few resources have attempted to explain both the science behind the HIIT movement and its sport-specific application to athlete training. That’s why Science and Application of High-Intensity Interval Training is a must-have resource for sport coaches, strength and conditioning professionals, personal trainers, and exercise physiologists, as well as for researchers and sport scientists who study high-intensity interval training.

Download or read book The Effects of High Intensity Interval Training on Resting Mean Arterial Pressure and C reactive Protein Content in Prehypertensive Subjects written by Benjamin C. Skutnik and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Subjects with prehypertension are at risk for developing hypertension (HTN). Hypertension is associated with low-grade systemic inflammation (LGSI). Aerobic exercise training (ET) is a proven means to reduce both blood pressure and LGSI in healthy and diseased subjects. Recently, high intensity interval training (HIIT) has been show to elicit similar cardiovascular and metabolic adaptations as ET in healthy and at-risk populations in a more time efficient manner. Therefore, we hypothesized that HIIT would elicit greater reductions in blood pressure and LGSI than ET. Twelve pre-hypertensive subjects (systolic blood pressure 127.0 ± 8.5 mmHg; diastolic blood pressure 86.2 ± 4.1 mmHg) were randomly assigned to an ET group (n=5) and a HIIT group (n=7). All subjects performed an incremental test to exhaustion (VO2max) on a cycle ergometer prior to, after 4 weeks, and after 8 weeks of training. Resting heart rate and blood pressure were measured prior to and three times a week during training. LGSI was measured via high-sensitivity C-reactive protein (hs-CRP) prior to, after 4 weeks and after 8 weeks of training. ET subjects performed an eight week exercise training program at 40% VO2 reserve determined from the VOVO2[subscript]max test, while HIIT subjects performed exercise at 60% peak power determined from the VO2[subscript]max test. ET group trained four days/week while HIIT trained three days/week. ET exercised for 30 minutes continuously at a constant workload and cadence of 60 rpm while HIIT performed a protocol on a 1:1 work-to-rest ratio at a constant workload and cadence of 100 rpm. Both groups showed similar (p0.05) decreases in mean arterial (ET = -7.3%, HIIT = -4.5%), systolic (ET = -6.6%, HIIT = -8.8%), and diastolic (ET= -9.7, HIIT= -8.2%) blood pressure. HIIT decreased in LGSI ( -33.7%) while ET did not change LGSI (p0.05). VOVO2[subscript]max increased ~25% with both HIIT and ET with no differences (p>0.05) between groups. These data suggest both HIIT and ET similarly decreased resting blood pressure and increased VO2max while HIIT was effective in decreasing LGSI in subjects who were pre-hypertensive.

Download or read book Changes in Time to Reach VO2max in Subsequent High intensity Intervals written by Adam James Switters and published by . This book was released on 2015 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: During high-intensity exercise, oxygen uptake increases until maximal oxygen consumption (VO2max) is reached. The rate at which the body uptakes oxygen can be described throughVO2 kinetics. When high-intensity exercise is preceded by an additional bout of high-intensity exercise, VO2 kinetics are altered so that VO2max is achieved sooner. Therefore, it is possible that VO2 kinetics are further altered by subsequent bouts of high-intensity exercise. To investigate the time to reach VO2max during subsequent intervals at pVO2max lasting 60% Tmax in well-trained cyclists. Twelve male cyclists completed a graded exercise test (GXT) to determine their pVO2max, followed by a time to fatigue test later that same day to determine their Tmax. After 7 days, subjects returned and completed 5 intervals at pVO2max for a duration of 60% Tmax. In between intervals, subjects pedaled at a low load (20W) for a duration equal to their interval duration. Expired air and heart rate (HR) was recorded as 20-second averages. Analysis of peak values (VO2, HR, and VE) between the GXT and interval trials was completed with a paired t-test. Analysis of interval variables (time to reach VO2max, peak VO2 HR, VE, and RER was completed with a one-way repeated measures ANOVA. A p-level of

Download or read book The Effects of Low Volume High Intensity Interval Training Vs Periodized High Intensity Interval Training on Cardiorespiratory Fitness in Sedentary Women with Obesity written by Amy Clark and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: To investigate effects of two high intensity interval training (HIIT) regimes on changes in maximal oxygen uptake (VO2max), O2 pulse and ventilatory threshold (VT) in obese, sedentary women. Methods: 17 obese sedentary women (age and BMI=37.5±10.5 years and 39.0±4.7 kg/m2) participated in a six-week exercise intervention with three training sessions per week. Participants were randomized to low volume HIIT (LOW) (n=9, VO2max=21.5±3.2 mL/kg/min) or periodized HIIT (PER) (n=8, VO2max=17.3±2.4mL/kg/min). VO2max and peak power output (PPO) were measured on a cycle ergometer at baseline and at 3 and at 6 weeks using a ramp exercise test. Women in LOW completed repeated 60 second bouts of HIIT at 70-85% PPO; whereas, women in PER performed a different number of bouts and intensities each week. Results: There was a significant difference in relative (p=0.002; LOW: 21.5±3.2 vs. 22.5±3.2 mL/kg/min; PER: 17.3±2.41 vs. 18.0±2.2 mL/kg/min) and absolute (p=0.001; LOW: 2.1±0.3 vs. 2.2±0.3 L/min; PER: 1.9±0.4 vs. 2.0±0.3 L/min) VO2max across time, but no interaction (p=0.79 and p=0.53). There was no change in VT expressed as VT % VO2max (p=0.24) yet there was a group X time interaction (p=0.043). VT expressed in Watts was significantly different over time (p=0.001) but there was no group X time interaction (p=0.09). O2 pulse significantly increased from pre- to post-training (p=.003) but there was no time X group interaction (p=0.95). Conclusion: Although there were no significant differences between regimes, HIIT elicits significant changes in VO2max, O2 pulse and VT in sedentary women with obesity, which are improve health status.

Download or read book Cumulated Index Medicus written by and published by . This book was released on 1979 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt: