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Frequently
Asked Questions about Pulsed Electromagnetic Field Therapy Page
2
PEMF
Home | FAQ
page 1 FAQ
page 2 | FAQ page
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13. What is the difference between regular magnets and PEMF?
14. What is Electromagnetism?
15. What has Lorenz force to do with PEMF?
16. Electricity within the human body?
17. PEMF influences oxygen levels within cells?
18. How do I know that the effect will be real and not just placebo?
19. Flat treatment pads versus bulky body coils?
20. Do energy levels above 10 milli Tesla always work?
21. And what about energy levels under 0.1 milli Tesla?
22. Does the PEMF penetrate the whole body?
23. Can I actually feel the electromagnetic pulses?
24. What about battery powered systems?
What is the difference between regular magnets and PEMF?
Our body's natural magnetic field is created by the flow of electrically charged ions in and out of cells and the transmission of electric impulses through cell membranes. Only Pulsing ElectroMagnetic Field (PEMF) force and not static magnets can influence on a cellular level. The magnetic strength value of static magnets (expressed in Gauss value) is not relevant at all, since the measured field strengths of permanent magnets range from 300 gauss to 16000 gauss at the surface, at 2 cm distance around 10 gauss and at 10 cm distance; absolutely nothing. In addition static magnets cannot create any electrical induction at all without being mechanically moved the whole time!
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What is Electromagnetism?
The interaction of electrical and magnetic effect is known as electromagnetism. Electromagnetism is one of the most important concepts in physical science. An electromagnet consists of a piece of soft iron with electrical wire wrapped around it. When an electric current flows through the wire, it produces a magnetic field around the wire and the iron is magnetized. The greater the current, the stronger the magnetic field. By coiling up the wire many times, the magnetic field produced can be made even stronger.
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What has Lorenz force to do with PEMF?
Electrical current in a coil causes a magnetic field. The magnetic field curls around electric wire in which the current flows. Electricity and magnetism are interrelated in many ways. They are manifestations of the same fundamental physical concepts. Maxwell equations show the relation between the electricity and magnetism. The combined effects of electrical and magnetic fields, is called Lorenz force. As result of induced Lorenz force pulsing electromagnetism will produce electricity in cells and this is the basis for Pulsing Electromagnetic Field Therapy.
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Electricity within the human body?
It is long known that there is electricity in our bodies: electrocardiogram (ECG), electroencephalogram (EEG) and electromyogram (EMG). In 1956 the piezoelectric effect in bone was discovered by Fukada and Yasuda; a physicist and an orthopaedic surgeon in Japan. The combined effects of electric and magnetic force explain that pulsing electromagnetic fields induce electrical changes on a cellular level within the body and cell metabolism is influenced.
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PEMF influences oxygen levels within cells?
This can only be accomplished when the pulsing electromagnetic fields penetrate sufficiently deep within the human body. The electrical influence and increase of the membrane cell potential, causes an increase in oxygenation, which in turn increase the supply of nutrients. This results in disposal of waste products from the cells and cell detoxification.
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How do I know that the effect will be real and not just placebo?
Most scientific clinical studies clearly show that in order to obtain clinical relevant results the minimum pulsing field strength must be at least 3-5 milli Tesla (30 to 50 Gauss). In order to generate piezoelectricity inside bone and cells the field strength must exceed 10 milli Tesla (100 gauss). There are different variations of large and expensive coil systems mounted on arms or beds, but none of these systems is able to generate energies higher than 100 gauss.
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Flat treatment pads versus bulky body coils?
Additional disadvantage of large coil systems is that the magnetic field is very localized and mainly within the coil area only and not suitable for full body energizing. Many manufacturers use the latter method due to technological difficulties and complications in manufacturing and controlling high-density electrical currents within flat surface coils. Also creating stable and effective electromagnetic fields exceeding by far the 10 milli Tesla (100 gauss) level seems to be problematic for other manufacturers.
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Do energy levels above 10 milli Tesla always work?
NO! The speed of change of the electromagnetic field induced into the body is very important to obtain the maximum possible force and thus penetration inside the body. This speed of magnetic induction is one of the most important parameters for obtaining nice and clear pictures in Magnetic Resonance Imaging (MRI) machines in hospitals, to obtain high speed tilting of hydrogen atoms in the body. These atoms emit the radio frequency signals, which are measured by the MRI coils and used to create the diagnostic picture. This explanation also clearly shows that a static magnetic field cannot generate any piezoelectric effect inside the body since there is no speed of change component when applying a permanent magnet.
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And what about energy levels under 0.1 milli Tesla?
There are systems, which generate less than 0.1 milli Tesla (1 Gauss), which is much less than the normal background magnetic field in any regular household (fridge, TV etc.). There cannot be expected anything by the use of such a device, except for a placebo effect.
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Does the PEMF penetrate the whole body?
Absolutely. The combination of the generated energy level and the speed of change of the pulses guarantee full body penetration, under condition that the minimum amount of energy generated is also sufficient.
Can I actually feel the electromagnetic pulses?
Just take the supplied test magnet in your own hand and feel the pulses! Maximum energy setting with the coil electrode even enables you to feel the pulses at a distance of over 40" (1 meter) or at the other side of your body!
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What about battery powered systems?
Battery powered equipment generate very short square, triangle or exponential pulses. In addition they are unable to generate the necessary high energy, electromagnetic fields simultaneously at each individual coil, otherwise the battery would be exhausted in a very short time. These systems will not induce any sufficient energy transfer into the body in order to obtain any realistic electron movement. The minuscule amounts of generated energy will not create any relevant or beneficial piezoelectric effect inside cells.
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The 2000HT, and devices and services offered at Emerson WorldWide, are not substitutes for regular medical care, for medical assistance and treatment, see your medical doctor, or alternate health care professional. Please read and heed all the information provided by medical professionals and in the manual provided with the products we sell.
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