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Blood flow restriction training

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https://www.readbyqxmd.com/read/28500081/quadriceps-strengthening-with-and-without-blood-flow-restriction-in-the-treatment-of-patellofemoral-pain-a-double-blind-randomised-trial
#1
Lachlan Giles, Kate E Webster, Jodie McClelland, Jill L Cook
BACKGROUND: Quadriceps strengthening exercises are part of the treatment of patellofemoral pain (PFP), but the heavy resistance exercises may aggravate knee pain. Blood flow restriction (BFR) training may provide a low-load quadriceps strengthening method to treat PFP. METHODS: Seventy-nine participants were randomly allocated to a standardised quadriceps strengthening (standard) or low-load BFR. Both groups performed 8 weeks of leg press and leg extension, the standard group at 70% of 1 repetition maximum (1RM) and the BFR group at 30% of 1RM...
May 12, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28483555/blood-flow-restriction-walking-and-physical-function-in-older-adults-a-randomized-control-trial
#2
Matthew John Clarkson, Louise Conway, Stuart Anthony Warmington
OBJECTIVES: The progressive age-related declines in muscle health and physical function in older adults are related to muscle size and strength. Walking with an applied blood flow restriction is an alternative to maintain muscle volume in older adults to increase the value for time spent walking. Therefore, the aim of this study was to examine the effect of adding blood flow restriction to low-intensity walking on clinical measures of physical function. DESIGN/METHODS: Sedentary older men and women were randomised to either a low-intensity blood flow restriction walking group (BFRW; n=10), or a non-blood flow restriction walking control group (CON; n=9)...
April 21, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28481416/blood-flow-restricted-training-leads-to-myocelullar-macrophage-infiltration-and-upregulation-of-heat-shock-proteins-but-no-apparent-muscle-damage
#3
Jakob L Nielsen, Per Aagaard, Tatyana A Prokhorova, Tobias Nygaard, Rune Dueholm Bech, Charlotte Suetta, Ulrik Frandsen
Previous studies indicate that low-load muscle contractions performed under local blood-flow restriction (BFR) may initially induce muscle damage and stress. However, whether these factors are evoked with longitudinal BFR training remains unexplored at the myocellular level. Two distinct study protocols were conducted (3 wk/1 wk). Subjects performed BFR exercise (100 mmHg, 20%-1RM) to concentric failure (BFRE) (3 wk/1 wk), while controls performed work-matched (LLE)(3 wk) or high-load (HLE; 70%-1RM)(1 wk), free-flow exercise...
May 8, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28451748/effects-of-4%C3%A2-weeks-of-low-load-unilateral-resistance-training-with-and-without-blood-flow-restriction-on-strength-thickness-v-wave-and-h-reflex-of-the-soleus-muscle-in-men
#4
David Colomer-Poveda, Salvador Romero-Arenas, Antonio Vera-Ibáñez, Manuel Viñuela-García, Gonzalo Márquez
PURPOSE: To test the effects of 4 weeks of unilateral low-load resistance training (LLRT), with and without blood flow restriction (BFR), on maximal voluntary contraction (MVC), muscle thickness, volitional wave (V wave), and Hoffmann reflex (H reflex) of the soleus muscle. METHODS: Twenty-two males were randomly distributed into three groups: a control group (CTR; n = 8); a low-load blood flow restriction resistance training group (BFR-LLRT; n = 7), who were an inflatable cuff to occlude blood flow; and a low-load resistance training group without blood flow restriction (LLRT; n = 7)...
April 27, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28448687/postexercise-blood-flow-restriction-does-not-enhance-muscle-hypertrophy-induced-by-multiple-set-high-load-resistance-exercise
#5
Haruhiko Madarame, Satoshi Nakada, Takahisa Ohta, Naokata Ishii
To test the applicability of postexercise blood flow restriction (PEBFR) in practical training programmes, we investigated whether PEBFR enhances muscle hypertrophy induced by multiple-set high-load resistance exercise (RE). Seven men completed an eight-week RE programme for knee extensor muscles. Employing a within-subject design, one leg was subjected to RE + PEBFR, whereas contralateral leg to RE only. On each exercise session, participants performed three sets of unilateral knee extension exercise at approximately 70% of their one-repetition maximum for RE leg first, and then performed three sets for RE + PEBFR leg...
April 27, 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/28416903/effects-of-strength-training-with-blood-flow-restriction-on-torque-muscle-activation-and-local-muscular-endurance-in-healthy-subjects
#6
Jbc Sousa, G R Neto, H H Santos, J P Araújo, H G Silva, M S Cirilo-Sousa
The present study aimed to analyse the effects of six weeks of strength training (ST), with and without blood flow restriction (BFR), on torque, muscle activation, and local muscular endurance (LME) of the knee extensors. Thirty-seven healthy young individuals were divided into four groups: high intensity (HI), low intensity with BFR (LI+BFR), high intensity and low intensity + BFR (COMB), and low intensity (LI). Torque, muscle activation and LME were evaluated before the test and at the 2(nd), 4(th) and 6(th) weeks after exercise...
March 2017: Biology of Sport
https://www.readbyqxmd.com/read/28392959/restricted-blood-flow-exercise-in-sedentary-overweight-african-american-females-may-increase-muscle-strength-and-decrease-endothelial-function-and-vascular-autoregulation
#7
Vernon Bond, Bryan Heath Curry, Krishna Kumar, Sudhakar Pemminati, Vasavi Rakesh Gorantla, Kishan Kadur, Richard Mark Millis
OBJECTIVES: Exercise with partially restricted blood flow is a low-load, low-intensity resistance training regimen which may have the potential to increase muscle strength in the obese, elderly and frail who are unable to do high-load training. Restricted blood flow exercise has also been shown to affect blood vessel function variably and can, therefore, contribute to blood vessel dysfunction. This pilot study tests the hypothesis that unilateral resistance training of the leg extensors with partially restricted blood flow increases muscle strength and decreases vascular autoregulation...
March 2017: Journal of Pharmacopuncture
https://www.readbyqxmd.com/read/28346701/effect-of-resistance-training-with-vibration-and-compression-on-the-formation-of-muscle-and-bone
#8
Christoph Zinner, Bettina Baessler, Kilian Weiss, Jasmine Ruf, Guido Michels, Hans-Christer Holmberg, Billy Sperlich
INTRODUCTION: In this study we investigated the effects of resistance training with vibration in combination with leg compression to restrict blood flow on strength, muscle oxygenation, muscle mass, and bone formation. METHODS: Twelve participants were tested before and after 12 weeks of resistance training with application of vibration (VIBRA; 1-2 mm, 30 Hz) to both legs and compression (∼35 mm Hg, VIBRA+COMP) to only 1 leg. RESULTS: VIBRA+COMP and VIBRA improved 1 repetition maximum (1-RM), increased the number of repetitions preceding muscle exhaustion, enhanced cortical bone mass, and lowered the mass and fat fraction in the thigh, with no changes in total muscle mass...
March 27, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28259850/blood-flow-restriction-training-in-clinical-musculoskeletal-rehabilitation-a-systematic-review-and-meta-analysis
#9
REVIEW
Luke Hughes, Bruce Paton, Ben Rosenblatt, Conor Gissane, Stephen David Patterson
BACKGROUND AND OBJECTIVE: Low-load exercise training with blood flow restriction (BFR) can increase muscle strength and may offer an effective clinical musculoskeletal (MSK) rehabilitation tool. The aim of this review was to systematically analyse the evidence regarding the effectiveness of this novel training modality in clinical MSK rehabilitation. DESIGN: This is a systematic review and meta-analysis of peer-reviewed literature examining BFR training in clinical MSK rehabilitation (Research Registry; researchregistry91)...
March 4, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28224640/low-load-resistance-training-with-low-relative-pressure-produces-muscular-changes-similar-to-high-load-resistance-training
#10
Daeyeol Kim, Jeremy P Loenneke, Xin Ye, Debra A Bemben, Travis W Beck, Rebecca D Larson, Michael G Bemben
INTRODUCTION: This study compares the acute and chronic response of high-load resistance training (HL) to low-load resistance training with low blood flow restriction (LL-BFR) pressure. METHODS: Participants completed elbow flexion with either HL or LL-BFR or nonexercise. In the chronic study, participants in the HL and LL-BFR groups were trained for 8 weeks to determine differences in muscle size and strength. The acute study examined the changes in pretesting/posttesting (Pre/Post) torque, muscle swelling, and blood lactate...
February 22, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28174436/cardiovascular-response-to-bouts-of-exercise-with-blood-flow-restriction
#11
Kestutis Bunevicius, Arturas Sujeta, Kristina Poderiene, Birute Zachariene, Viktoras Silinskas, Rimantas Minkevicius, Jonas Poderys
[Purpose] Occlusion training with low-intensity resistance exercises and blood flow restriction increases muscle cross-sectional area and strength. This form of training is used in rehabilitation; therefore, the aim of this study was to examine the effect of one occlusion training session on the cardiovascular response to bouts of exercise. [Subjects and Methods] Two groups took part: a control group without blood flow restriction and an experimental group with blood flow restriction. A single training session was used with the exercise intensity set at 40% of the one repetition maximum...
December 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28143367/does-a-resistance-exercise-session-with-continuous-or-intermittent-blood-flow-restriction-promote-muscle-damage-and-increase-oxidative-stress
#12
Gabriel R Neto, Jefferson S Novaes, Verônica P Salerno, Michel M Gonçalves, Gilmário R Batista, Maria S Cirilo-Sousa
The aim of this study was to compare the effect of low-load resistance exercise (LLRE) with continuous and intermittent blood flow restriction (BFR) on the creatine kinase (CK), lactate dehydrogenase (LDH), protein carbonyl (PC), thiobarbituric acid-reactive substance (TBARS) and uric acid (UA) levels in military men. The study included 10 recreationally trained men aged 19 ± 0.82 years who underwent the following experimental protocols in random order on separate days (72-96 h): 4 LLRE sessions at a 20% 1RM (one-repetition maximum [1RM]) with continuous BFR (LLRE + CBFR); 4 LLRE sessions at 20% 1RM with intermittent BFR (LLRE + IBFR) and 4 high-intensity resistance exercise (HIRE) sessions at 80% 1RM...
January 31, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28143359/the-role-of-blood-flow-restriction-training-for-applied-practitioners-a-questionnaire-based-survey
#13
Stephen D Patterson, Christopher R Brandner
The purpose of the study was to investigate the current use of blood flow restriction (BFR) by practitioners during exercise/training. A questionnaire was developed and data were obtained from 250 participants, with 115 stating that they had prescribed BFR as an intervention. The most common exercise intervention used in combination with BFR was resistance exercise (99/115), followed by during passive (30/115) conditions, and during aerobic exercise (22/115). The main outcome measure for using the technique was to increase muscle mass (32...
February 1, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28127587/corticospinal-excitability-changes-following-blood-flow-restriction-training-of-the-tibialis-anterior-a-preliminary-study
#14
Erhard Trillingsgaard Næss-Schmidt, Morten Morthorst, Asger Roer Pedersen, Jørgen Feldbæk Nielsen, Peter William Stubbs
AIM: To examine the neural excitability of projections to the tibialis anterior (TA) following blood flow restriction training (BFRT). This is the first study to examine the TA following BFRT. METHODS: Ten subjects performed each experiment. Experiment one consisted of BFRT at 130 mmHg (BFRT-low). Experiment two consisted of BFRT at 200 mmHg (BFRT-high), training (TR-only) and blood flow restriction at 200 mmHg (BFR-only) performed on separate days. Blood flow restriction was applied to the thigh and training consisted of rapid dorsiflexion contractions against gravity every 10 s for 15-min...
January 2017: Heliyon
https://www.readbyqxmd.com/read/28121802/delayed-effect-of-blood-flow-restricted-resistance-training-on-rapid-force-capacity
#15
Jakob Lindberg Nielsen, Ulrik Frandsen, Tatyana Prokhorova, Rune Dueholm Bech, Tobias Nygaard, Charlotte Suetta, Per Aagaard
PURPOSE: The aim of the present study was to investigate the effect and time course of high-frequent low-load resistance training with blood-flow restriction (BFR) on rapid force capacity (i.e. rate of torque development (RTD)). METHODS: Ten male subjects (22.8±2.3 years) performed four sets of knee extensor exercise (20%1RM) to concentric failure during concurrent BFR of the thigh (100mmHg), while eight work-matched controls (21.9±3.0 years) trained without BFR (CON)...
January 23, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28118308/delayed-onset-muscle-soreness-and-perceived-exertion-following-blood-flow-restriction-exercise
#16
Christopher R Brandner, Stuart A Warmington
The purpose of this study was to determine the perceptual responses to resistance exercise with either heavy-loads (80% 1 repetition maximum [1-RM]), light-loads (20% 1-RM), or light-loads in combination with blood flow restriction (BFR). Despite the use of light-loads, it has been suggested that the adoption of BFR resistance exercise may be limited due to increases in delayed onset muscle soreness (DOMS) and perceived exertion. Seventeen healthy untrained males participated in this balanced, randomized cross-over study...
January 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28093857/can-blood-flow-restriction-augment-muscle-activation-during-high-load-training
#17
Scott J Dankel, Samuel L Buckner, Matthew B Jessee, Kevin T Mattocks, J Grant Mouser, Brittany R Counts, Gilberto C Laurentino, Jeremy P Loenneke
INTRODUCTION: Blood flow restriction has been shown to augment muscle activation and increase muscle size when combined with low-load training; however, much less is known on whether blood flow restriction can augment muscle activation during high-load exercise. PURPOSE: To determine whether applying blood flow restriction can augment muscle activation with traditional high-load resistance exercise. METHOD: Ten individuals completed two sets of elbow flexion exercise to volitional fatigue...
January 16, 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/28088558/the-effects-of-upper-body-exercise-across-different-levels-of-blood-flow-restriction-on-arterial-occlusion-pressure-and-perceptual-responses
#18
Kevin T Mattocks, Matthew B Jessee, Brittany R Counts, Samuel L Buckner, J Grant Mouser, Scott J Dankel, Gilberto C Laurentino, Jeremy P Loenneke
Recent studies have investigated relative pressures that are applied during blood flow restriction exercise ranging from 40%-90% of resting arterial occlusion pressure; however, no studies have investigated relative pressures below 40% arterial occlusion pressure. The purpose of this study was to characterize the cardiovascular and perceptual responses to different levels of pressures. Twenty-six resistance trained participants performed four sets of unilateral elbow flexion exercise using 30% of their 1RM in combination with blood flow restriction inflated to one of six relative applied pressures (0%, 10%, 20%, 30%, 50%, 90% arterial occlusion pressure)...
January 11, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/27941491/low-intensity-sprint-training-with-blood-flow-restriction-improves-100-m-dash
#19
M Behringer, D Behlau, J Montag, M McCourt, J Mester
PURPOSE: We investigated the effects of practical blood flow restriction (pBFR) of leg muscles during sprint training on the 100 m dash time in well-trained sport students. METHODS: Participants performed 6x100 m sprints at 60-70% of their maximal 100 m sprinting speed twice a week for 6 weeks, either with (IG; n=12) or without pBFR (CG; n=12). RESULTS: The 100 m dash time significantly decreased more in the IG (-0.38±0.24 s) than in the CG (-0...
November 25, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27837041/acute-effects-of-resistance-exercise-with-continuous-and-intermittent-blood-flow-restriction-on-hemodynamic-measurements-and-perceived-exertion
#20
Gabriel R Neto, Jefferson S Novaes, Verônica P Salerno, Michel M Gonçalves, Bruna K L Piazera, Thais Rodrigues-Rodrigues, Maria S Cirilo-Sousa
This study compared the acute effects of low-intensity resistance exercise (RE) sessions for the upper limb with continuous and intermittent blood flow restriction (BFR) and high-intensity RE with no BFR on lactate, heart rate, double product (DP; heart rate times systolic blood pressure), and perceived exertion (RPE). Ten recreationally trained men (1-5 years strength training; age mean = 19 ± 0.82 years) performed three experimental protocols in random order: (a) low-intensity RE at 20% one-repetition maximum (1RM) with intermittent BFR (LI + IBFR), (b) low-intensity RE at 20% 1RM with continuous BFR (LI + CBFR), and (c) high-intensity RE at 80% 1RM...
November 11, 2016: Perceptual and Motor Skills
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