by Sasha Marvin on Fri Jun 18, 2010 2:07 am
Muscle time reaction is 25 ms, 0,025 seconds. A complete cicle relaxation >---> contraction is 50ms.
So muscle will react with real contraction, like in walking, from 20 to 25 Hz. The magnitude has to be at least 4 mm.
Below 18Hz there is more muscle relaxation, below 15 only relaxation...
Over 30 Hz the muscle will not react to all the impulses from the vibration, so at 40Hz they will work randomly like at 20Hz.
These are results from the studies.
The machine you gave me the frequencies operates below 15 Hz.
Vibration max intensity: 70 [useless]
Motor vibration per second 43.33 [useless]
Measured Plate vibrations/second (Hz) 14.42 (with what amplitude and magnitude ?)
Frequency body reactions/second 28.8 [useless and totally misleading]
They say the body receive 30 stimulation per second, this is true but has no sense, we have to see how the muscles work. Example: if we work on a uniform plate like powerplate, do we make a sum of both the legs when we work at 35Hz? Do we say we work at 70Hz? No.
The CNS receive 30 Hz and this is good for balance, not for muscle work, though. Without muscle work there is no metabolic reaction, no muscle power improvement, just detuning.
The machine give a vertical impulse before on one foot and then to the other. So we have to consider only one side to see what happen to the muscle.
You have to see what happen on one leg only, the muscles receive 15 impulses maximum per second. A typical relax or recovery program on side alternating machines.
Galileo, which is the reference for the whole research and scientific studies, works on muscles from 18Hz to 30Hz.
So the muscle on the left receive a 18Hz thru 30Hz modulated vibration.
from 5 to 14 balance.
from 10 to 12 usually massage.
from 16 to 18 warm up or recovery
from 18 to 24 muscle tune
from 25 to 30 muscle power
The main problem is that to build a machine that work over 15 Hz you have to spend a lot in technology, otherwise the machine will begin to lift from the ground and the vibrations to the pavement can damage the machine and the pavement also. The neighborhoods will kill you.
Galileo system is patented, and nobody has developed a similar system, simply because it is too expensive to produce. Novotec manufactures directly. The other brands buy from third party.
To make a machine that works below 15 cost 200 USD, if you buy from china even 100 USD. Then some guys sell at 800-2000 USD over the internet and in the worse cases 9000 in the beauty farms. But people has to understand those are not devices to work on the muscles but just vibro-massage devices!
Following this logic, a Galileo should cost 40000 USD, while the most expensive device is 9700 euro. The Galileo Basic starts from 3600 euro. I have no idea of the Vibraflex prices.
I hope I gave you enough information to understand what is a vibration machine to see the difference from what claims to be.
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Sasha MarvinVibration Training Device Admin