PEMF (Pulsed Electromagnetic Field) therapy is a type of therapy that uses low-level electromagnetic waves to stimulate cells and tissues in the body. PEMF therapy can be used for various medical applications, including pain relief, wound healing, and bone regeneration.
It is essential to understand the role of intensity and frequency in PEMF therapy to achieve optimal results.
What are PEMF Intensity and Frequency?
PEMF intensity refers to the strength of the magnetic field produced by the device. It is usually measured in Gauss or Tesla, and the intensity can range from a few microteslas (μT) to several hundred Gauss (G).
The depth of penetration into the body’s tissues is determined by the intensity of the magnetic field. The magnetic field can penetrate deeper into the body with higher intensities, while lower intensities can only penetrate more superficially.
PEMF frequency, on the other hand, refers to the number of times the magnetic field pulses per second. It is usually measured in Hertz (Hz), and the frequency can range from a few Hz to several hundred Hz.
The frequency of the magnetic field determines the type of response elicited in the body’s tissues. The body can experience different effects from various frequencies, such as stimulating cell growth or reducing inflammation.
Does Power Level Matter for PEMF?
The power level of a PEMF device is directly related to its intensity. A high-power device can produce a stronger magnetic field that can penetrate deeper into the body. However, it is important to note that more power does not always mean better results.
The ideal power level depends on the specific condition you are treating, the location of the treatment, and the patient’s individual needs.
How Do Frequencies Work in PEMF?
Different frequencies of PEMF can have different effects on the body. Low frequencies are ideal for pain relief and relaxation. A study conducted among rheumatoid arthritis and fibromyalgia patients suggests that low-frequency PEMF has beneficial analgesic properties (1).
Higher frequencies are used for tissue healing and regeneration, cell growth, and better circulation.
A study on rats with daily administration of active PEMF with an intensity of 10 mT and a frequency of 25 Hz showed promising results in enhancing proliferation and collagen deposition during the early phase of healing (2).
One of the mechanisms by which PEMF works is by inducing electrical changes in cells and tissues. The magnetic field generated by the device can stimulate the movement of charged particles within the cells and activate various biochemical pathways.
These pathways can then trigger the release of growth factors, cytokines, and other molecules that promote healing and tissue repair.
Low-Level PEMF Devices
Low-level PEMF devices are those with an intensity of less than 100 Gauss. These devices are generally considered safe and do not produce any adverse effects. Low-level PEMF devices are used for pain relief, relaxation, and improving the quality of sleep.
What PEMF Frequency Should I Use?
The ideal frequency for PEMF therapy depends on the specific condition you are treating. As mentioned earlier, different frequencies can have various effects on the body.
For example, low frequencies (less than 10 Hz) are typically used for pain relief, while higher frequencies (above 100 Hz) are for cell growth and circulation.
It is important to note that the frequency should also be tailored to the individual’s needs. Some people may respond better to specific frequencies than others, and the ideal frequency may vary depending on the location and severity of the condition you are treating.
However, not all frequencies are created equal, and understanding the difference between high-end and low-end frequencies is crucial to achieving optimal cellular resonance and promoting healing.
High-end frequencies, typically from 1000Hz to 10,000Hz, are considered more aggressive and stimulating to the cells. They may help with pain from acute injuries or conditions, promote circulation, and increase cellular metabolism.
PEMF devices with low frequencies, on the other hand, range from 1Hz to 1000Hz and are considered to be more relaxing and calming to the cells. They may help promote relaxation, reduce inflammation, and provide pain relief for chronic conditions.
Best PEMF Frequency for Sleep:
Low frequencies from 1Hz to 10Hz can promote better sleep. These frequencies may help reduce stress, calm the mind, and promote relaxation. Additionally, frequencies from 10Hz to 14Hz may help enhance deep sleep and promote restorative sleep.
PEMF therapy is a well-known method for inducing relaxation, while also promoting the production of important hormones such as the Human Growth Hormone and Melatonin. These hormones are essential for improving sleep quality and longevity.
In a recent study, the experimental group showed a significant increase in growth rate and IGF-1 levels, which can be attributed to the non-invasive stimulation of the growth plate through PEMF therapy. Although the study was on animals, further research is necessary to determine its efficacy in humans (3).
Some PEMF therapy devices have a biorhythm clock that offers a night-time setting with theta-delta frequencies that may help induce the brain with the frequencies commonly associated with deep relaxation and sleep. These low-frequency pulsating magnetic waves can help the mind and body achieve restful sleep by mimicking the brain’s frequency during deep sleep, which is crucial for feeling well-rested and maintaining good health.
Best PEMF Frequency for Healing:
Frequencies from 10Hz to 100Hz are recommended for general healing and tissue repair. These frequencies may help increase cellular metabolism, promote circulation, and reduce inflammation.
A study on rats examined the impact of high-frequency PEMFs on fracture healing in vivo. The results demonstrated that High-Frequency PEMFs led to accelerated fracture healing in rats (4).
Understanding the difference between high-end and low-end frequencies and their effects on cellular resonance is crucial to achieving optimal healing results with PEMF therapy. The optimal frequency for a specific condition may vary depending on the individual’s response to the therapy.
With the guidance of a healthcare professional, PEMF therapy can be an effective and safe approach to support cellular health and promote healing.
- Shupak, N M, et al. “Exposure to a Specific Pulsed Low-Frequency Magnetic Field: A Double-Blind Placebo-Controlled Study of Effects on Pain Ratings in Rheumatoid Arthritis and Fibromyalgia Patients.” Pain Research & Management, U.S. National Library of Medicine, 2006, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2585480/.
- Choi, Harry M C, et al. “Effects of Pulsed Electromagnetic Field (PEMF) on the Tensile Biomechanical Properties of Diabetic Wounds at Different Phases of Healing.” PloS One, U.S. National Library of Medicine, 11 Jan. 2018, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5764361/.
- Sung, Yoon-Young, et al. “Effect of Pulsed Electromagnetic Field Stimulation on the Growth Plate of the Tibia Bone of Rats: An in Vivo Study.” MDPI, Multidisciplinary Digital Publishing Institute, 18 Aug. 2021, https://www.mdpi.com/2076-3417/11/16/7571.
- Oltean-Dan, Daniel, et al. “Enhancement of Bone Consolidation Using High-Frequency Pulsed Electromagnetic Fields (HF-Pemfs): An Experimental Study on Rats.” Bosnian Journal of Basic Medical Sciences, U.S. National Library of Medicine, 20 May 2019, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6535386/.