scholarly journals Does Peripheral Lower Body Blood Flow Restriction Training Effect Aerobic Adaptations in Recreationally Active Adults? A Case Series

2022 ◽  
Vol 5 (1) ◽  
Author(s):  
Austin Bennett ◽  
Sean Collins ◽  
Kaitlyn King ◽  
Caitlyn Harper ◽  
Jill Lucas ◽  
...  
Keyword(s):  
Heart Rate ◽  
Blood Flow ◽  
Perceived Exertion ◽  
Case Series ◽  
Blood Flow Restriction ◽  
Aerobic Performance ◽  
Target Tissue ◽  
Flow Restriction ◽  
Significant Difference ◽  
Active Adults

Introduction: Blood flow restriction (BFR) training is a novel training method that has been shown to promote positive aerobic and anaerobic adaptations under low intensity exercise by inhibiting blood flow to target tissue resulting in hypoxia and metabolic byproduct accumulation. This has been shown to have a direct positive effect on aerobic performance adaptation. The purpose was to explore the effect of BFR training on aerobic performance. Methods:  Seven recreationally active adults were randomly assigned to either the BFR group (n=4, BFR) or non-BFR group (n=3, CON). Three testing sessions were conducted throughout the study (Pre-Test, Mid-Test, Post-Test) which consisted of a graded cycle ergometer maximum oxygen consumption (VO2max) test using COSMED-K5 indirect calorimetry. Eleven BFR training sessions were performed consisting of 20-min of cycling at 35-45% of heart rate reserve (HRR) with at 60% (BFR) or 5% (CON) arterial occlusion pressure (AOP) on the BFR cuffs. Results: Absolute VO2max, Relative VO2max, respiratory exchange ratio (RER), maximum heart rate (HRmax), and maximum rate of perceived exertion (RPEmax) reported no significant difference between BFR and CON. There was a significant difference (p < 0.05) found in time to reach VO2max and maximum watts (Wmax) reached which declined over the course of the training intervention. Conclusions: Bilateral lower limb aerobic BFR training resulted in no change in VO2max over seven weeks.  

Tolerance to Intermittent vs. Continuous Blood Flow Restriction Training: A Meta-Analysis

2021 ◽  
Author(s):  
Pierre Sinclair ◽  
Murtaza Kadhum ◽  
Bruce Paton
Keyword(s):  
Blood Flow ◽  
Perceived Exertion ◽  
Meta Analysis ◽  
Training Session ◽  
Blood Flow Restriction ◽  
Current Evidence ◽  
Strength Gain ◽  
Flow Restriction ◽  
Significant Difference ◽  
Low Load

AbstractThe proven beneficial effects of low-load blood flow restriction training on strength gain has led to further exploration into its application during rehabilitation, where the traditional use of heavy loads may not be feasible. With current evidence showing that low-load blood flow restriction training may be less well tolerated than heavy-load resistance training, this review was conducted to decipher whether intermittently deflating the pressure cuff during rest intervals of a training session improves tolerance to exercise, without compromising strength. Four databases were searched for randomized controlled trials that compared the effect of intermittent versus continuous blood flow restriction training on outcomes of exercise tolerance or strength in adults. Nine studies were identified, with six included in the meta-analysis. No significant difference in rate of perceived exertion was found (SMD-0.06, 95% CI-0.41 to 0.29, p=0.73, I 2=80%). Subgroup analysis excluding studies that introduced bias showed a shift towards favoring the use of intermittent blood flow restriction training (SMD-0.42, 95% CI-0.87 to 0.03, p=0.07, I 2=0%). There was no significant difference in strength gain. Intermittent cuff deflations during training intervals does not improve tolerance to exercise during blood flow restriction training.

Acute resistance exercise with blood flow restriction effects on heart rate, double product, oxygen saturation and perceived exertion

2014 ◽  
Vol 36 (1) ◽  
pp. 53-59 ◽  
Author(s):  
Gabriel R. Neto ◽  
Maria S. C. Sousa ◽  
Gabriel V. Costa e Silva ◽  
Ana L. S. Gil ◽  
Belmiro F. Salles ◽  
...  
Keyword(s):  
Heart Rate ◽  
Blood Flow ◽  
Resistance Exercise ◽  
Oxygen Saturation ◽  
Perceived Exertion ◽  
Blood Flow Restriction ◽  
Double Product ◽  
Flow Restriction

scholarly journals Lower Body Blood Flow Restriction Training On Aerobic Adaptations In Minimally Active Adults

2021 ◽  
Vol 53 (8S) ◽  
pp. 9-9
Author(s):  
Austin Bennett ◽  
Caitlyn Harper ◽  
Kaitlyn King ◽  
Jeffery Herrick ◽  
Jill Lucas ◽  
...  
Keyword(s):  
Blood Flow ◽  
Blood Flow Restriction ◽  
Lower Body ◽  
Flow Restriction ◽  
Active Adults

Acute Effects of Resistance Exercise With Continuous and Intermittent Blood Flow Restriction on Hemodynamic Measurements and Perceived Exertion

2016 ◽  
Vol 124 (1) ◽  
pp. 277-292 ◽  
Author(s):  
Gabriel R. Neto ◽  
Jefferson S. Novaes ◽  
Verônica P. Salerno ◽  
Michel M. Gonçalves ◽  
Bruna K. L. Piazera ◽  
...  
Keyword(s):  
Blood Flow ◽  
Resistance Exercise ◽  
Perceived Exertion ◽  
Blood Flow Restriction ◽  
Acute Effects ◽  
Flow Restriction ◽  
Hemodynamic Measurements

scholarly journals Acute respiratory flow restriction affects average power, but not heart rate and subjective perceived exertion in healthy women

2021 ◽  
Vol 43 ◽  
Author(s):  
Rousseau Silva da Veiga ◽  
Camila Borges Müller ◽  
Gustavo Dias Ferreira ◽  
Eraldo dos Santos Pinheiro ◽  
Fabrício Boscolo Del Vecchio
Keyword(s):  
Heart Rate ◽  
Perceived Exertion ◽  
Average Power ◽  
Acute Effects ◽  
Fatigue Index ◽  
Flow Restriction ◽  
Healthy Women ◽  
Respiratory Flow ◽  
Significant Difference

ABSTRACT This study aims to verify the effect of the restriction of the ventilatory flow on HR, RPE, and power during HIT-test performed by healthy women. The participants (n=8) underwent HIT-test without and with ventilatory flow restriction. HR, power, and RPE was measured. HRpost showed no significant difference between conditions (p=0,053). The average power presented higher values in the condition without the restriction of ventilatory flow (619,51±144,33W; 565,99±108,43W; p=0,001), but without differences in the fatigue index (p=0,383). In both conditions, increases in RPE were observed during the efforts (p<0,001). It is concluded that HR and RPE did not suffer acute effects from the restriction of ventilatory flow; however, the average power is decreased during HIT-test.

Acute Responses to On-Court Repeated-Sprint Training Performed With Blood Flow Restriction Versus Systemic Hypoxia in Elite Badminton Athletes

2019 ◽  
Vol 14 (9) ◽  
pp. 1280-1287 ◽  
Author(s):  
Pedro L. Valenzuela ◽  
Guillermo Sánchez-Martínez ◽  
Elaia Torrontegi ◽  
Javier Vázquez-Carrión ◽  
Manuela González ◽  
...  
Keyword(s):  
Heart Rate ◽  
Blood Flow ◽  
Heart Rate Variability ◽  
Creatine Kinase ◽  
Perceived Exertion ◽  
Sprint Training ◽  
Flow Restriction ◽  
Repeated Sprint ◽  
Systemic Hypoxia ◽  
Acute Responses

Purpose: Repeated-sprint training (RS) is commonly conducted in normoxia, but its completion with localized (blood-flow restriction [BFR]) or systemic hypoxia has been proven effective for performance enhancement. Yet, few studies have applied these types of RS sessions in racket sports. The authors aimed to determine the acute responses to these types of training in elite badminton players. Methods: Eight male elite badminton players participated in this randomized crossover study. They performed 3 on-court RS sessions, each consisting of 3 sets of 10 repetitions of 10-s badminton-specific movements in normoxia (RSN), systemic normobaric hypoxia (RSH, FiO2 = 14%), or with BFR (RS-BFR, 40% arterial occlusion pressure). Performance, perceptual (ie, rating of perceived exertion), and physiological (ie, pulse saturation, muscle oxygenation, blood lactate, creatine kinase, heart-rate variability) responses were measured after each set and up to 48 h postsession. Results: RS-BFR induced a greater performance impairment (lower distance and accelerations) and a higher local perceived exertion in the legs than RSN and RSH (P < .05), whereas greater overall fatigue was reported with RSH (P < .05). RSH induced a lower saturation (P < .001), but no differences were observed in muscle oxygenation between conditions. No differences in creatine kinase or heart-rate variability were observed at any time point (from baseline up to 48 h after the session). Conclusions: RS-BFR—and, to a lower extent, RSH—resulted in impaired performance and a higher perceived strain than RSN. However, these 2 hypoxic methods do not seem to induce a long-lasting (post 24–48 h) physiological stress in elite badminton players.

Hemodynamic and Pressor Responses to Combination of Yoga and Blood Flow Restriction

2020 ◽  
Author(s):  
Savannah V. Wooten ◽  
Sten Stray-Gundersen ◽  
Hirofumi Tanaka
Keyword(s):  
Blood Pressure ◽  
Blood Flow ◽  
Perceived Exertion ◽  
Oxygen Demand ◽  
Blood Flow Restriction ◽  
Rating Of Perceived Exertion ◽  
Myocardial Oxygen Demand ◽  
Flow Restriction ◽  
Pressor Responses ◽  
The Impact

AbstractA combination of yoga and blood flow restriction, each of which elicits marked pressor responses, may further increase blood pressure and myocardial oxygen demand. To determine the impact of a combination of yoga and blood flow restriction on hemodynamic responses, twenty young healthy participants performed 20 yoga poses with/without blood flow restriction bands placed on both legs. At baseline, there were no significant differences in any of the variables between the blood flow restriction and non-blood flow restriction conditions. Blood pressure and heart rate increased in response to the various yoga poses (p<0.01) but were not different between the blood flow restriction and non-blood flow restriction conditions. Rate-pressure products, an index of myocardial oxygen demand, increased significantly during yoga exercises with no significant differences between the two conditions. Rating of perceived exertion was not different between the conditions. Blood lactate concentration was significantly greater after performing yoga with blood flow restriction bands (p=0.007). Cardio-ankle vascular index, an index of arterial stiffness, decreased similarly after yoga exercise in both conditions while flow-mediated dilation remained unchanged. In conclusion, the use of lower body blood flow restriction bands in combination with yoga did not result in additive or synergistic hemodynamic and pressor responses.

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