Patients or post-operative patients, high load and high intensity workouts may not be scientifically suitable.
Blood Circulation Limitation (BFR) training is a technique that combines low intensity workout with blood circulation occlusion that produces comparable outcomes to high intensity training. It has actually been utilized in the health club setting for a long time but it is acquiring appeal in medical settings. Blood Flow Restriction (BFR) Training [modify modify source] BFR training was at first established in the 1960's in Japan and understood as KAATSU training.
It can be used to either the upper or lower limb. The cuff is then inflated to a particular pressure with the objective of obtaining partial arterial and complete venous occlusion. Muscle hypertrophy is the increase in size of the muscle as well as an increase of the protein content within the fibres.
Muscle stress and metabolic stress are the 2 primary elements 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 happen.
Insulin-like development aspect and development hormonal agent are accountable for increased collagen synthesis after workout and help muscle recovery. Growth hormonal agent itself does not straight cause muscle hypertrophy but it assists muscle healing 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 inhibits cell development in muscle tissue. Resistance training results in the compression of blood vessels within the muscles being trained.
This causes an increase in anaerobic lactic metabolic process and the production of lactate. When there is blood pooling and a build-up of metabolites cell swelling occurs. This swelling within the cells triggers an anabolic reaction and leads to muscle hypertrophy. The cell swelling might really cause mechanical tension which will then activate the myogenic stem cells as discussed above.
The cuff is put proximally to the muscle being exercise and low intensity workouts can then be performed. Since the outflow of blood is limited utilizing the cuff capillary blood that has a low oxygen material collects and there is a boost in protons and lactic acid. The exact same physiological adjustments to the muscle (eg release of hormones, hypoxia and cell swelling) will occur during the BFR training and low strength workout as would accompany high intensity exercise.
( 1) Low strength BFR (LI-BFR) results in a boost in the water content of the muscle cells (cell swelling). It likewise speeds up the recruitment of fast-twitch muscle fibres. It is also hypothesized that as soon as the cuff is removed a hyperemia (excess of blood in the capillary) will form and this will cause additional cell swelling.
These boosts resembled gains obtained as a result of high-intensity workout without BFR A study comparing (1) high strength, (2) low strength, (3) low and high intensity with BFR and (4) low intensity with BFR. While all 4 exercise routines produced boosts in torque, muscle activations and muscle endurance over a 6 week period - the high intensity (group 1) and BFR (groups 3 and 4) produced the greatest result size and were similar to each other.