scholarly journals High-Intensity Intermittent Swimming Improves Cardiovascular Health Status for Women with Mild Hypertension

2014 ◽  
Vol 2014 ◽  
pp. 1-9 ◽  
Author(s):  
Magni Mohr ◽  
Nikolai Baastrup Nordsborg ◽  
Annika Lindenskov ◽  
Hildigunn Steinholm ◽  
Hans Petur Nielsen ◽  
...  
Keyword(s):  
Health Status ◽  
High Intensity ◽  
Cardiovascular Health ◽  
Mild Hypertension ◽  
Premenopausal Women ◽  
Blood Lipid ◽  
Moderate Intensity ◽  
Blood Lipid Profile ◽  
Training Strategy ◽  
Before And After

To test the hypothesis that high-intensity swim training improves cardiovascular health status in sedentary premenopausal women with mild hypertension, sixty-two women were randomized into high-intensity (n=21; HIT), moderate-intensity (n=21; MOD), and control groups (n=20; CON). HIT performed 6–10 × 30 s all-out swimming interspersed by 2 min recovery and MOD swam continuously for 1 h at moderate intensity for a 15-week period completing in total44±1and43±1sessions, respectively. In CON, all measured variables were similar before and after the intervention period. Systolic BP decreased (P<0.05) by6±1and4±1 mmHg in HIT and MOD; respectively. Resting heart rate declined (P<0.05) by5±1bpm both in HIT and MOD, fat mass decreased (P<0.05) by1.1±0.2and2.2±0.3 kg, respectively, while the blood lipid profile was unaltered. In HIT and MOD, performance improved (P<0.05) for a maximal 10 min swim (13±3% and22±3%), interval swimming (23±3% and8±3%), and Yo-Yo IE1 running performance (58±5% and45±4%). In conclusion, high-intensity intermittent swimming is an effective training strategy to improve cardiovascular health and physical performance in sedentary women with mild hypertension. Adaptations are similar with high- and moderate-intensity training, despite markedly less total time spent and distance covered in the high-intensity group.

Influence of Moderate, Daily Physical Activity On Body Composition and Blood Lipid Profile in Swedish Adults

2012 ◽  
Vol 9 (6) ◽  
pp. 867-874 ◽  
Author(s):  
Peter Pagels ◽  
Anders Raustorp ◽  
Trevor Archer ◽  
Ulf Lidman ◽  
Marie Alricsson
Keyword(s):  
Physical Activity ◽  
Energy Expenditure ◽  
Lipid Profile ◽  
Inverse Correlation ◽  
Blood Lipid ◽  
Daily Physical Activity ◽  
Moderate Intensity ◽  
Control Group ◽  
Brisk Walking ◽  
Blood Lipid Profile

Background:Health organizations suggest that adults ought to engage in at least 30 minutes of moderate-intensity daily physical activity. This study investigated the effects of a 30-minute single daily bout of brisk walking upon risk factors for coronary heart disease with blood lipid profile in particular.Methods:Thirty-three (25–45 y) adults, were randomly assigned into an exercise group (EG; n = 16, 9w) and a control group (CG; n = 17, 6w). The EG walked briskly 30 minutes daily during the 3-week test period. Compliance/adherence was maximal throughout the 3-week intervention due to stringent daily monitoring.Results:The EG showed a significant decrease in concentrations of low density lipoprotein cholesterol (LDL-C) and total cholesterol (TC) during the intervention period. A significant inverse correlation between Δ energy expenditure/day and Δ LDL-C (r = –0.39, P < .05) and an improvement in weight and BMI in the EG was found. Average steps during 30 minutes brisk walking bout was 3669 steps/bout generating a mean energy expenditure of 191 kcal/ bout.Conclusions:The most unique findings were that daily single bouts of moderate-intensity physical activity for 30 minutes, during 3 weeks, induced favorable effects upon body weight, BMI, and blood concentration of LDL-C and TC in healthy adults.

scholarly journals Effect of Combined Endurance Training and MitoQ on Cardiac Function and Serum Level of Antioxidants, NO, miR-126, and miR-27a in Hypertensive Individuals

2022 ◽  
Vol 2022 ◽  
pp. 1-13
Author(s):  
Yaser Masoumi-Ardakani ◽  
Hamid Najafipour ◽  
Hamid Reza Nasri ◽  
Soheil Aminizadeh ◽  
Shirin Jafari ◽  
...  
Keyword(s):  
Cardiac Function ◽  
Endurance Training ◽  
Cardiovascular Health ◽  
Serum Levels ◽  
Cycle Ergometer ◽  
Moderate Intensity ◽  
Double Blind ◽  
Treatment Groups ◽  
Before And After ◽  
And Control

Objectives. Hypertension (HTN) is one of the most important risk factors for cardiovascular diseases. Despite advances in treatment and control of HTN, the prevalence of HTN is still increasing. MitoQ is a supplement that acts on mitochondria and attenuates reactive oxygen species (ROS), which plays an important role in cardiovascular health. miRNAs play an important role in the pathophysiology of HTN. We evaluated the effects of MitoQ supplementation and endurance training (ET), alone and in combination, on functional indices of the heart and serum levels of miR-126, miR-27a, antioxidants, and NO, in patients with HTN. Methods. In a double-blind randomized clinical trial, 52 male participants (age 40-55 years) were randomly divided into four groups ( n = 13 ) of placebo, MitoQ (20 mg/day, oral), ET (cycle ergometer, moderate intensity, 40-60% VO2 peak, heart rate 120-140 b/min, 45 min a day, three days/week for six weeks), and MitoQ+ET. Cardiac function indices were assessed by echocardiography before and after interventions. Results. Systolic blood pressure (SBP) significantly decreased in all intervention groups ( P < 0.001 ) while DBP ( P < 0.01 ) and LV hypertrophy ( P < 0.05 ) were significantly decreased only in the MitoQ+ET group. Serum levels of SOD, GPx, and NO and the level of miR-126 significantly increased in all treatment groups, while miR-27a reduced in the ET ( P < 0.05 ) and MitoQ+ET ( P < 0.01 ) groups. Conclusions. Compared to MitoQ and ET alone, their combination has more prominent improving effects on cardiac health and amelioration of BP in the patients with HTN. These effects are through miR-126 and miR-27a modulation and ameliorating mitochondrial ROS production.

scholarly journals High-Intensity Interval Training After Stroke: An Opportunity to Promote Functional Recovery, Cardiovascular Health, and Neuroplasticity

2018 ◽  
Vol 32 (6-7) ◽  
pp. 543-556 ◽  
Author(s):  
Jennifer Crozier ◽  
Marc Roig ◽  
Janice J. Eng ◽  
Marilyn MacKay-Lyons ◽  
Joyce Fung ◽  
...  
Keyword(s):  
High Intensity ◽  
Stroke Rehabilitation ◽  
Cardiovascular Health ◽  
Interval Training ◽  
Moderate Intensity ◽  
Current Evidence ◽  
High Intensity Interval Training ◽  
Cardiovascular Exercise ◽  
Increased Risk ◽  
High Intensity Interval

Introduction. Stroke is the leading cause of adult disability. Individuals poststroke possess less than half of the cardiorespiratory fitness (CRF) as their nonstroke counterparts, leading to inactivity, deconditioning, and an increased risk of cardiovascular events. Preserving cardiovascular health is critical to lower stroke risk; however, stroke rehabilitation typically provides limited opportunity for cardiovascular exercise. Optimal cardiovascular training parameters to maximize recovery in stroke survivors also remains unknown. While stroke rehabilitation recommendations suggest the use of moderate-intensity continuous exercise (MICE) to improve CRF, neither is it routinely implemented in clinical practice, nor is the intensity always sufficient to elicit a training effect. High-intensity interval training (HIIT) has emerged as a potentially effective alternative that encompasses brief high-intensity bursts of exercise interspersed with bouts of recovery, aiming to maximize cardiovascular exercise intensity in a time-efficient manner. HIIT may provide an alternative exercise intervention and invoke more pronounced benefits poststroke. Objectives. To provide an updated review of HIIT poststroke through ( a) synthesizing current evidence; ( b) proposing preliminary considerations of HIIT parameters to optimize benefit; ( c) discussing potential mechanisms underlying changes in function, cardiovascular health, and neuroplasticity following HIIT; and ( d) discussing clinical implications and directions for future research. Results. Preliminary evidence from 10 studies report HIIT-associated improvements in functional, cardiovascular, and neuroplastic outcomes poststroke; however, optimal HIIT parameters remain unknown. Conclusion. Larger randomized controlled trials are necessary to establish ( a) effectiveness, safety, and optimal training parameters within more heterogeneous poststroke populations; (b) potential mechanisms of HIIT-associated improvements; and ( c) adherence and psychosocial outcomes.

scholarly journals The effect of moderate versus high intensity exercise on heart rate variability in sedentary office workers

2021 ◽  
Vol 16 (1) ◽  
pp. 16-23
Author(s):  
Vibha Gangwar ◽  
Manish Kumar Verma ◽  
Ritesh Singh Gangwar ◽  
Nitin Ashok John ◽  
Rajani Bala Jasrotia
Keyword(s):  
Heart Rate ◽  
Exercise Training ◽  
High Intensity ◽  
High Intensity Exercise ◽  
Office Workers ◽  
Moderate Intensity ◽  
Moderate Intensity Exercise ◽  
Group I ◽  
Before And After ◽  
Group Ii

Background: Sedentary behavior is one of the leading modifiable risk factors for cardiovascular disease and all-cause mortality. Physical exercise exerts beneficial physiological effects on cardiovascular fitness. Different grades of physical exercise have different effects on cardiovascular health. Objective: To compare the effect of moderate and high intensity exercise training on heart rate variability (HRV) in sedentary office workers. Methods: This study was conducted on 40 healthy sedentary volunteers aged between 20-40 years of both the genders. Participants were distributed into two groups of 20 subjects each. Subjects of group I and group II performed moderate intensity and high intensity exercise respectively on bicycle ergometer for 12 weeks. Their 5- minute ECG recording was done by three channel physiograph, and frequency domain indices of HRV and heart rate (HR) were analyzed and compared before and after exercise training. Their blood pressure was also recorded and compared before and after exercise training. Independent sample t-test and paired sample ttest were used for statistical analysis. Results: HF, systolic and diastolic blood pressure reduced significantly after exercise in group II (p=0.015, 0.005, and 0.015 respectively) while HR and LF/HF ratio reduced in both group I and group II (p=0.000 for HR, and 0.034, 0.001 for LF/HF). The decrease in HR was greater after high intensity exercise than moderate intensity exercise (p= 0.025). Conclusion: Parasympathetic activity improves after moderate and high intensity exercise but improvement is more after high intensity exercise training. Therefore, high intensity exercise training is more beneficial than moderate intensity exercise training. J Bngladesh Soc Physiol 2021;16(1): 16-23

scholarly journals Effects of Wine and Tyrosol on the Lipid Metabolic Profile of Subjects at Risk of Cardiovascular Disease: Potential Cardioprotective Role of Ceramides

Antioxidants ◽  
2021 ◽  
Vol 10 (11) ◽  
pp. 1679
Author(s):  
Jose Rodríguez-Morató ◽  
Anna Boronat ◽  
Gabriele Serreli ◽  
Laura Enríquez ◽  
Alex Gomez-Gomez ◽  
...  
Keyword(s):  
Cardiovascular Disease ◽  
Endothelial Function ◽  
Blood Lipid ◽  
White Wine ◽  
Cvd Risk ◽  
Blood Lipid Profile ◽  
Beneficial Effects ◽  
Before And After ◽  
Risk Biomarkers

Ceramides are a class of sphingolipids which have recently been shown to be better cardiovascular disease (CVD) risk predictors than traditional CVD risk biomarkers. Tyrosol (TYR) is a dietary phenolic compound known to possess cardioprotective effects per se or through its in vivo active metabolite hydroxytyrosol. The purpose of this study was to evaluate the effects of the co-administration of white wine (WW) and TYR on circulating levels of ceramides and other lipids in humans at high CVD risk. Volunteers underwent a randomized controlled crossover clinical trial (4-week duration per intervention) with three different interventions: control, WW, and WW enriched with a capsule of TYR (WW + TYR). Endothelial function cardiovascular biomarkers and plasma lipidomic profile were assessed before and after each intervention. It was found that the WW + TYR intervention resulted in lower levels of three ceramide ratios, associated with an improvement of endothelial function (Cer C16:0/Cer C24:0, Cer C18:0/Cer C24:0, and Cer C24:1/Cer C24:0), when compared to the control intervention. Moreover, WW + TYR was able to minimize the alterations in plasma diacylglycerols concentrations observed following WW. Overall, the results obtained show that the antioxidant TYR administered with WW exerts beneficial effects at the cardiovascular level, in part by modulating blood lipid profile.

Both aerobic endurance and strength training programmes improve cardiovascular health in obese adults

2008 ◽  
Vol 115 (9) ◽  
pp. 283-293 ◽  
Author(s):  
Inga E. Schjerve ◽  
Gjertrud A. Tyldum ◽  
Arnt E. Tjønna ◽  
Tomas Stølen ◽  
Jan P. Loennechen ◽  
...  
Keyword(s):  
Endothelial Function ◽  
Strength Training ◽  
Aerobic Exercise ◽  
High Intensity ◽  
Cardiovascular Health ◽  
Aerobic Training ◽  
Work Capacity ◽  
Moderate Intensity ◽  
Maximal Heart Rate ◽  
Training Programmes

Regular exercise training is recognized as a powerful tool to improve work capacity, endothelial function and the cardiovascular risk profile in obesity, but it is unknown which of high-intensity aerobic exercise, moderate-intensity aerobic exercise or strength training is the optimal mode of exercise. In the present study, a total of 40 subjects were randomized to high-intensity interval aerobic training, continuous moderate-intensity aerobic training or maximal strength training programmes for 12 weeks, three times/week. The high-intensity group performed aerobic interval walking/running at 85–95% of maximal heart rate, whereas the moderate-intensity group exercised continuously at 60–70% of maximal heart rate; protocols were isocaloric. The strength training group performed ‘high-intensity’ leg press, abdominal and back strength training. Maximal oxygen uptake and endothelial function improved in all groups; the greatest improvement was observed after high-intensity training, and an equal improvement was observed after moderate-intensity aerobic training and strength training. High-intensity aerobic training and strength training were associated with increased PGC-1α (peroxisome-proliferator-activated receptor γ co-activator 1α) levels and improved Ca2+ transport in the skeletal muscle, whereas only strength training improved antioxidant status. Both strength training and moderate-intensity aerobic training decreased oxidized LDL (low-density lipoprotein) levels. Only aerobic training decreased body weight and diastolic blood pressure. In conclusion, high-intensity aerobic interval training was better than moderate-intensity aerobic training in improving aerobic work capacity and endothelial function. An important contribution towards improved aerobic work capacity, endothelial function and cardiovascular health originates from strength training, which may serve as a substitute when whole-body aerobic exercise is contra-indicated or difficult to perform.

scholarly journals A short period of high-intensity interval training improves skeletal muscle mitochondrial function and pulmonary oxygen uptake kinetics

2016 ◽  
Vol 120 (11) ◽  
pp. 1319-1327 ◽  
Author(s):  
Peter M. Christensen ◽  
Robert A. Jacobs ◽  
Thomas Bonne ◽  
Daniela Flück ◽  
Jens Bangsbo ◽  
...  
Keyword(s):  
Skeletal Muscle ◽  
Oxygen Uptake ◽  
Mitochondrial Function ◽  
High Intensity ◽  
System Capacity ◽  
Oxidative Enzymes ◽  
Moderate Intensity ◽  
Pulmonary Oxygen Uptake ◽  
Short Period ◽  
Before And After

The aim of the present study was to examine whether improvements in pulmonary oxygen uptake (V̇o2) kinetics following a short period of high-intensity training (HIT) would be associated with improved skeletal muscle mitochondrial function. Ten untrained male volunteers (age 26 ± 2 yr; mean ± SD) performed six HIT sessions (8-12 × 60 s at incremental test peak power; 271 ± 52 W) over a 2-wk period. Before and after the HIT period, V̇o2 kinetics was modeled during moderate-intensity cycling (110 ± 19 W). Mitochondrial function was assessed with high-resolution respirometry (HRR), and maximal activities of oxidative enzymes citrate synthase (CS) and cytochrome c oxidase (COX) were accordingly determined. In response to HIT, V̇o2 kinetics became faster (τ: 20.4 ± 4.4 vs. 28.9 ± 6.1 s; P < 0.01) and fatty acid oxidation (ETFP) and leak respiration (LN) both became elevated ( P < 0.05). Activity of CS and COX did not increase in response to training. Both before and after the HIT period, fast V̇o2 kinetics (low τ values) was associated with large values for ETFP, electron transport system capacity (ETS), and electron flow specific to complex II (CIIP) ( P < 0.05). Collectively, these findings support that selected measures of mitochondrial function obtained with HRR are important for fast V̇o2 kinetics and better markers than maximal oxidative enzyme activity in describing the speed of the V̇o2 response during moderate-intensity exercise.

scholarly journals Effect of Real-Time Online High-Intensity Interval Training on Physiological and Physical Parameters for Abdominally Obese Women: A Randomized Pilot Study

2021 ◽  
Vol 11 (24) ◽  
pp. 12129
Author(s):  
Ah-hyun Hyun
Keyword(s):  
High Intensity ◽  
Interval Training ◽  
Stress Index ◽  
Moderate Intensity ◽  
Smart Device ◽  
Physical Parameters ◽  
Obese Women ◽  
High Intensity Interval Training ◽  
Blood Lipid Profile ◽  
High Intensity Interval

Purpose: This study aimed to investigate the effects of online high-intensity interval training (HIIT) in abdominally obese women experiencing health complications due to COVID-19. Methods: Sixteen participants were enrolled and divided into the HIIT group (n = 8) and moderate-intensity continuous training (MICT, n = 8) group. The HIIT group underwent 20 min of exercise consisting of 20 s of high-intensity (85–90% HRmax) exercise followed by 30 s of exercise at 60% HRmax using only body weight. The main exercise program for the MICT group included 40 min of stationary bike pedaling at 65–70% HRmax. Exercise was performed three days a week for eight weeks using a smart device and application that enables bidirectional communication. Results: The HIIT group showed reduced body fat (p = 0.036), BMI (p = 0.021), and visceral fat (p = 0.003) compared to the MICT group. Further, the HIIT group also had reduced insulin (p = 0.021) and LDL levels (p = 0.024), increased grip strength (left p = 0.012, right: p = 0.002), and a substantial drop in total stress index (p = 0.004) compared to the MICT group. Conclusions: Thus, online HIIT is a useful means to reduce abdominal fat, improve blood lipid profile and muscle strength, and relieve stress caused by COVID-19.

scholarly journals Acute effects of aerobic running on blood pressure In young normotens adults

2020 ◽  
Vol 31 (1) ◽  
Author(s):  
Wollner Materko ◽  
Alex Lima Brito ◽  
Dilson Rodrigues Belfort
Keyword(s):  
Blood Pressure ◽  
Systolic Blood Pressure ◽  
Cardiovascular Health ◽  
Acute Effect ◽  
Moderate Intensity ◽  
Acute Effects ◽  
Long Duration ◽  
Significant Difference ◽  
Before And After ◽  
Student’S T

The aim of the present study was to investigate the acute effects of blood pressure induced by moderate intensity aerobic exercise in young adults. Thirty-one individuals (18 women and 13 men) were submitted an anthropometric evaluation and a 40-min running protocol between 60% and 70% of the reserve heart rate. Hemodynamic measurements, systolic blood pressure (SBP) and diastolic blood pressure (DBP) were carried out before and after the running protocol through Student's t-test for the dependent variables. All tests assumed α = 0.05. Significant differences were recorded between SBP before (127.1 ± 11.5 mmHg) and after (119.9 ± 10.2 mmHg) the running protocol. The results showed a decrease in systolic blood pressure, which resulted in a mean difference of -7.2 ± 6.2 mmHg, demonstrating a significant difference (p = 0.00001). However, in the DBP before (73.6 ± 8.6 mmHg) and after (72.5 ± 7.8 mmHg) no showing a significant difference (p = 0.36) as an acute effect on the decrease the running protocol. In conclusion, that moderate intensity and long duration running exercise can be aided in the non-pharmacological treatment of arterial hypertension and as an improvement in cardiovascular health.

scholarly journals The Effects Of A Low-Fat Diet And A Low-Carbohydrate Diet With Aerobic Exercise On Changing Of Lipid Profile

2020 ◽  
Vol 3 (2) ◽  
pp. 53
Author(s):  
Ni Made Dewantari ◽  
I Wayan Ambartana ◽  
I Putu Suiraoka ◽  
GA Dewi Kusumayanti ◽  
Desak Putu Sukraniti ◽  
...  
Keyword(s):  
Lipid Profile ◽  
Total Cholesterol ◽  
Blood Lipid ◽  
Low Fat ◽  
Carbohydrate Diet ◽  
Blood Lipid Profile ◽  
Low Carbohydrate Diet ◽  
Low Fat Diet ◽  
Low Carbohydrate ◽  
Before And After

Lifestyle changes become the foundation in primary and secondary prevention of lipid and lipoprotein disorders. The aim of the study was to know the effectiveness of low fat diet and low carbohydrate diet with aerobic exercise toward lipid profile change. Type of experimental research with pre test-post test control group design. The sample of adult women in the city of Denpasar as many as 33 people, aged 30-50 years, IMT 25-30 kg/m2, allocated to 3 groups. Group 1 applied a low-fat diet, group 2 applied a low-carbohydrate diet and a group of 3 controls. Before and after the intervention a blood lipid profile was measured. Changes in blood lipid profile before and after intervention were analyzed by paired t-test. The difference in mean blood lipid profile in all three groups was analyzed by One Way Anova test. Low-fat diet and low-carbohydrate diet can lower total cholesterol and LDL-C significantly (p <0.05). The average decrease in total cholesterol with low fat diet was 16.82 mg/dL and low carbohydrate diet 14.64 mg/dL. Decreased LDL-C with a low-fat diet of 13.36 mg/dL and low-carbohydrate diet of 7.45 mg/dL. There was no significant difference in lipid profile changes between low fat diets compared to low carbohydrate diets (p>0.05). Thus a low-fat diet is as effective as a low-carb diet to improve lipid profile. 

Sign in / Sign up

Export Citation Format

Share Document