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Personalized blood circulation restriction rehabilitation training (PBFR) is a game-changing injury healing therapy that is producing dramatically positive results: Decrease atrophy and loss of strength from disuse and non-weight bearing after injuries Increase strength with only 30% loads Boost hypertrophy with only 30% loads Enhance muscle endurance in 1/3 the time Improve muscle protein synthesis in the elderly Improve strength and hypertrophy after surgery Improve muscle activation Boost growth hormonal agent actions. Muscle weak point commonly takes place in a variety of conditions and pathologies. High load resistance training has been shown to be the most successful ways in enhancing muscular strength and getting muscle hypertrophy. The problem that exists is that in certain populations that require muscle reinforcing eg Chronic Pain Patients or post-operative patients, high load and high strength workouts may not be scientifically proper. Blood Circulation Restriction (BFR) training is a technique that combines low strength exercise with blood flow occlusion that produces similar results to high strength training. It has actually been used in the health club setting for some time but it is gaining appeal in medical settings. Blood Flow Constraint (BFR) Training [edit edit source] BFR training was initially developed in the 1960's in Japan and known as KAATSU training. It can be applied to either the upper or lower limb. The cuff is then inflated to a particular pressure with the aim of obtaining partial arterial and total venous occlusion. The client is then asked to carry out resistance workouts at a low intensity of 20-30% of 1 repetition max (1RM), with high repetitions per set (15-30) and brief rest periods between sets (30 seconds) Understanding the Physiology of Muscle Hypertrophy. [edit edit source] Muscle hypertrophy is the increase in size of the muscle in addition to an increase of the protein content within the fibres. Muscle stress and metabolic stress are the 2 primary factors responsible for muscle hypertrophy. The activation of myogenic stem cells and the raised anabolic hormonal agents result in protein metabolic process and as such muscle hypertrophy can take place. Insulin-like growth factor and development hormone are accountable for increased collagen synthesis after workout and help muscle healing. Growth hormonal agent itself does not straight cause muscle hypertrophy but it assists muscle recovery and thus potentially facilitates the muscle reinforcing process. The build-up of lactate and hydrogen ions (eg in hypoxic training) more increases the release of growth hormone. Myostatin controls and hinders cell growth in muscle tissue. Resistance training results in the compression of blood vessels within the muscles being trained. When there is blood pooling and an accumulation of metabolites cell swelling occurs. This swelling within the cells causes an anabolic response and results in muscle hypertrophy. The cuff is placed proximally to the muscle being workout and low strength workouts can then be performed. Because the outflow of blood is restricted utilizing the cuff capillary blood that has a low oxygen content gathers and there is an increase in protons and lactic acid. The very same physiological adjustments to the muscle (eg release of hormones, hypoxia and cell swelling) will take location during the BFR training and low strength exercise
as would accompany high intensity workout. ( 1) Low strength BFR (LI-BFR) leads to an increase in the water content of the muscle cells (cell swelling). It likewise speeds up the recruitment of fast-twitch muscle fibres. It is also assumed that once the cuff is gotten rid of a hyperemia (excess of blood in the blood vessels) will form and this will cause further cell swelling. These boosts were similar to gains acquired as a result of high-intensity workout without BFR A research study comparing (1) high intensity, (2) low intensity, (3) high and low strength with BFR and (4) low strength with BFR. While all 4 workout routines produced boosts in torque, muscle activations and muscle endurance over a 6 week duration - the high intensity (group 1) and BFR (groups 3 and 4) produced the greatest effect size and were comparable to each other.
