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Blood restriction training

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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
#1
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/28398950/a-ketone-ester-drink-increases-postexercise-muscle-glycogen-synthesis-in-humans
#2
David A Holdsworth, Peter J Cox, Tom Kirk, Huw Stradling, Samuel G Impey, Kieran Clarke
INTRODUCTION: Physical endurance can be limited by muscle glycogen stores, in that glycogen depletion markedly reduces external work. During carbohydrate restriction, the liver synthesises the ketone bodies, D-β-hydroxybutyrate and acetoacetate, from fatty acids. In animals and in the presence of glucose, D-β-hydroxybutyrate promotes insulin secretion and increases glycogen synthesis. Here we determined whether a dietary ketone ester, combined with plentiful glucose, can increase post-exercise glycogen synthesis in human skeletal muscle...
April 10, 2017: Medicine and Science in Sports and Exercise
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
#3
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/28349529/continuous-chest-compression-versus-interrupted-chest-compression-for-cardiopulmonary-resuscitation-of-non-asphyxial-out-of-hospital-cardiac-arrest
#4
REVIEW
Lei Zhan, Li J Yang, Yu Huang, Qing He, Guan J Liu
BACKGROUND: Out-of-hospital cardiac arrest (OHCA) is a major cause of death worldwide. Cardiac arrest can be subdivided into asphyxial and non asphyxial etiologies. An asphyxia arrest is caused by lack of oxygen in the blood and occurs in drowning and choking victims and in other circumstances. A non asphyxial arrest is usually a loss of functioning cardiac electrical activity. Cardiopulmonary resuscitation (CPR) is a well-established treatment for cardiac arrest. Conventional CPR includes both chest compressions and 'rescue breathing' such as mouth-to-mouth breathing...
March 27, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28346701/effect-of-resistance-training-with-vibration-and-compression-on-the-formation-of-muscle-and-bone
#5
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/28276183/dietitians-practice-in-giving-carbohydrate-advice-in-the-management-of-type-2-diabetes-a-mixed-methods-study
#6
P D McArdle, S M Greenfield, A Avery, G G Adams, P S Gill
BACKGROUND: Carbohydrate is accepted as the principal nutrient affecting blood glucose in diabetes; however, current guidelines are unable to specify the optimal quantity of carbohydrate for glycaemic control. No studies exist that describe current practice amongst healthcare professionals giving carbohydrate advice in type 2 diabetes. The present study aims to improve understanding of the degree of variation in the current practice of UK registered dietitians (RDs) by describing how RDs advise patients...
November 7, 2016: Journal of Human Nutrition and Dietetics: the Official Journal of the British Dietetic Association
https://www.readbyqxmd.com/read/28259850/blood-flow-restriction-training-in-clinical-musculoskeletal-rehabilitation-a-systematic-review-and-meta-analysis
#7
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/28239404/impact-of-a-6-week-non-energy-restricted-ketogenic-diet-on-physical-fitness-body-composition-and-biochemical-parameters-in-healthy-adults
#8
Paul Urbain, Lena Strom, Lena Morawski, Anja Wehrle, Peter Deibert, Hartmut Bertz
BACKGROUND: The ketogenic diet (KD) is a very low-carbohydrate, high-fat and adequate-protein diet that without limiting calories induces different metabolic adaptations, eg, increased levels of circulating ketone bodies and a shift to lipid metabolism. Our objective was to assess the impact of a 6-week non-energy-restricted KD in healthy adults beyond cohorts of athletes on physical performance, body composition, and blood parameters. METHODS: Our single arm, before-and-after comparison study consisted of a 6-week KD with a previous preparation period including detailed instructions during classes and individual counselling by a dietitian...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28224640/low-load-resistance-training-with-low-relative-pressure-produces-muscular-changes-similar-to-high-load-resistance-training
#9
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
#10
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/28143495/self-monitoring-of-blood-glucose-in-non-insulin-treated-type-2-diabetes-the-smbg-study-study-protocol-for-a-randomised-controlled-trial
#11
RANDOMIZED CONTROLLED TRIAL
Sharon Parsons, Stephen Luzio, Stephen Bain, John Harvey, Jillian McKenna, Atir Khan, Sam Rice, Alan Watkins, David R Owens
BACKGROUND: The benefit of Self-monitoring of Blood Glucose (SMBG) in people with non-insulin treated type 2 diabetes remains unclear with inconsistent evidence from randomised controlled trials fuelling the continued debate. Lack of a consistent finding has been attributed to variations in study population and design, including the SMBG intervention. There is a growing consensus that structured SMBG, whereby the person with diabetes and health care provider are educated to detect patterns of glycaemic abnormality and take appropriate action according to the blood glucose profiles, can prove beneficial in terms of lowering HbA1c and improving overall well-being...
January 26, 2017: BMC Endocrine Disorders
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/28012598/mechanisms-underpinning-protection-against-eccentric-exercise-induced-muscle-damage-by-ischemic-preconditioning
#19
Alexander Franz, Michael Behringer, Kazunori Nosaka, Bettina Alexandra Buhren, Holger Schrumpf, Constantin Mayer, Christoph Zilkens, Moritz Schumann
Eccentric exercise training is effective for increasing muscle mass and strength, and improving insulin sensitivity and blood lipid profiles. However, potential muscle damage symptoms such as prolonged loss of muscle function and delayed onset of muscle soreness may restrict the use of eccentric exercise, especially in clinical populations. Therefore, strategies to reduce eccentric exercise-induced muscle damage (EIMD) are necessary, and an extensive number of scientific studies have tried to identify potential intervention modalities to perform eccentric exercises without adverse effects...
January 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/27999852/effect-of-a-high-protein-energy-restricted-diet-combined-with-resistance-training-on-metabolic-profile-in-older-individuals-with-metabolic-impairments
#20
T Amamou, E Normandin, J Pouliot, I J Dionne, M Brochu, E Riesco
Adequate protein intake and resistance training are effective strategies to maintain muscle mass, but the effect of their combination on metabolic profile during weight loss remains to be determined in older adults. The main objective of this study was to determine the effect of a 16-week high-protein caloric restriction combined with resistance training on chronic disease risk factors in obese older individuals with metabolic impairments. A total of 26 overweight adults aged between 60 and 75 years (BMI 32...
2017: Journal of Nutrition, Health & Aging
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