By Thom Salo, COL USA (Ret), NASM CPT, 5x Ironman, Longevity Director Updated May 11, 2026
Pulsed Electromagnetic Field (PEMF) therapy is one of the most technical recovery modalities at Sisu, and one of the most thoroughly researched. The premise is straightforward. The body runs on electrical signaling at the cellular level. That signaling degrades over time, under stress, and with age. A properly calibrated electromagnetic field can restore it. The technology has decades of FDA-cleared clinical use behind it, starting with bone-healing approval in 1979. The wellness version of the same technology brings calibrated PEMF into the recovery room. The simplest way to picture what it does is a grape turning back from a raisin.
What is PEMF Therapy?
Pulsed Electromagnetic Field therapy uses brief, precisely-timed magnetic pulses to interact with the body at the cellular level. The pulses are not heat. They are not vibration. They are calibrated electromagnetic waves that pass through tissue and interact with the electrically-charged components of cells.
The technology is not new. The FDA approved PEMF for non-union bone fractures in 1979, bones that wouldn’t heal on their own with standard treatment. Subsequent clearances followed for cervical fusion adjunctive use and for related electromagnetic therapies in mood and migraine applications. The wellness-market version of the same underlying technology, including the Pulse XL Pro used at Sisu, brings the calibrated electromagnetic stimulation into the recovery setting.
The body evolved within a natural electromagnetic field. The Earth generates its own field, the Schumann Resonance, at approximately 7.83 Hz. Cells maintain their own electrical signature, a voltage of roughly -70 to -90 millivolts across the membrane in a healthy state. The cellular electrical environment is fundamental to how the body imports nutrients, exports waste, communicates between systems, and produces the energy required for every function.
Modern life increasingly disconnects us from the natural electromagnetic environment we evolved within. Concrete buildings, rubber-soled shoes, indoor lighting, and ambient electromagnetic pollution all change the field exposure we operate in. PEMF therapy reintroduces precisely-calibrated electromagnetic exposure in a controlled setting.
A typical PEMF session at Sisu runs 20 to 30 minutes lying on a full-body mat. Most users describe feeling relaxed during the session and notably clearer afterward.
The Grape and the Raisin: How PEMF Works at the Cellular Level
The simplest way to understand what PEMF does is to picture a grape and a raisin sitting side by side.
A healthy cell is the grape. The membrane is plump, the internal environment is well-regulated, and the voltage across the membrane sits in the optimal range. The cell can do its job. Import nutrients. Export waste. Generate ATP energy. Communicate with neighboring cells. Everything works as designed.
A dysfunctional cell is the raisin. The membrane has collapsed. The voltage has drifted below the optimal range. The surface no longer exchanges with its environment the way it should. Nutrients struggle to get in. Waste accumulates. Energy production declines. The cell is still alive, but it is not working at full capacity. Multiply that across millions of cells in a tissue, and you get the symptoms most people associate with feeling depleted: fatigue, slow recovery, persistent inflammation, brain fog, poor sleep, lingering pain.
PEMF restores the grape. The physics behind it is the same physics behind every electrical generator. When a magnetic field changes near a conductor, it induces an electrical current in the conductor. Pass a magnet over a wire and the electrons in the wire move. That is how power plants generate electricity, and it is how PEMF works at the cellular level. Cells are not copper wire, but they are filled with ionic fluid, charged proteins, and electrically active structures. When the pulsed magnetic field passes through tissue, it induces tiny electrical currents in the conductive elements of the cell. Those induced currents help reset membrane voltage, support the ion exchange that keeps the cell functional, and stimulate the mitochondria’s energy production cycle. The raisin becomes a grape again.
The framing matters: PEMF does not repair tissue directly. It does not fuse fractures, regenerate cartilage, or rebuild damaged structures on its own. It restores the cellular electrical conditions that allow the body’s own healing systems to work. The body does the recovery. PEMF helps create the conditions in which recovery can happen.
“We need energy to heal, think, and move. PEMFs don’t cause problems, they reveal problems.”
Dr. William Pawluk, MD, MSc, author of Supercharge Your Health with PEMF Therapy
That single cellular mechanism is why one technology shows up across the research in bone healing, athletic recovery, sleep quality, cognitive function, and pain management. The mechanism is upstream of all those outcomes. Restore cellular function and a wide range of downstream symptoms improve.
The Science: Decades of Research
PEMF is one of the most-researched recovery modalities. The clinical and laboratory evidence base stretches back to the 1970s and continues to expand.
Bone healing. The 1979 FDA approval for non-union bone fractures established PEMF as the first electromagnetic field therapy with regulatory clearance. Clinical studies in delayed unions and nonunions have documented success rates around 77% with PEMF protocols of approximately 3 hours per day over an average of 29.5 weeks (Assiotis et al., 2012). Bassett (1989) provided the foundational review of mechanisms and clinical applications in bone healing.
Bone density. Tabrah and colleagues (1990) showed that pulsed electromagnetic field exposure significantly increased bone mineral density in the radius of osteoporosis-prone women, with effects sustained beyond the treatment period.
Knee osteoarthritis. Pipitone and Scott (2001) ran a 75-patient randomized trial of PEMF in knee osteoarthritis. After 6 weeks, the PEMF group showed significant improvements in WOMAC global score (p=0.018) and quality of life (p=0.001) compared to sham.
Cellular ATP production. Markov (2007) reviewed PEMF mechanisms in the bioelectromagnetics literature. Research on PEMF effects on mitochondrial function has documented substantial increases in cellular ATP production under specific frequency conditions. The mechanism appears to be enhanced electron transport chain function in the mitochondria, the cell’s natural energy production cycle.
NASA cellular research. Goodwin (2003), in a NASA technical paper from the Johnson Space Center, examined the effects of time-varying electromagnetic fields on human cell growth and tissue repair. The research was prompted by concerns about bone density loss and muscle deterioration in astronauts in microgravity environments and contributed to NASA’s broader interest in electromagnetic exposure as a countermeasure for cellular dysfunction in space.
Inflammation. Cadossi and colleagues (2020) summarized the cellular mechanisms by which PEMF reduces inflammatory cytokines, particularly through adenosine receptor signaling involved in bone healing and joint preservation.
Athletic performance. A 2024 review in Frontiers in Sports and Active Living (Ghanbari Ghoshchi et al.) summarized the evidence for PEMF as an adjunct to exercise and recovery. PEMF has been studied and used in athletic and sports medicine settings for decades. PEMF is not a doping concern: no chemicals are added to the body, and the mechanism is electrical, working with the body’s own signaling.
PEMF has been adopted across professional sports. NBA, NFL, MLB, and Olympic athletes have used PEMF as a regular part of recovery protocols. The technology shows up in NFL locker rooms and Olympic training centers, in elite endurance teams, and in the recovery setups of marquee professional athletes across disciplines.
“The beauty of magnetic field therapy on a daily basis is that you don’t give the underlying issue a chance to come back.”
Dr. William Pawluk, MD, MSc
Sisu’s Role: A Wellness Facility, Not a Medical Provider
PEMF has both clinical and wellness applications. The same basic technology is used in clinical settings under physician supervision for FDA-cleared applications and in wellness settings as a recovery and longevity tool.
Sisu Longevity Studio is a wellness facility. We are not a medical facility. We do not employ physicians or licensed therapists in a clinical capacity, we do not diagnose or treat medical conditions, and we do not provide PEMF as a clinical or medical-prescription service. The Pulse XL Pro at Sisu and the rest of the modalities at the studio are wellness tools, not medical treatments.
For members in active medical care, Sisu plays a supporting role. We work with care providers. We welcome members who wish to use PEMF as part of a wellness or recovery protocol prescribed or recommended by their own physician.
What we won’t do is inject ourselves into the patient-provider relationship. Sisu provides the tool and the space. The clinical judgment stays where it belongs.
What Makes Sisu’s PEMF Different
Sisu uses the Pulse XL Pro by Pulse Centers, a professional-grade PEMF system. A few details matter.
Solid-state technology. The Pulse XL Pro uses solid-state electronics rather than older spark-gap designs. The pulses are consistent, the output stays calibrated over time, and the system delivers the same exposure session after session.
19 pulse rate settings. Most home and lower-tier consumer PEMF devices offer a small number of preset programs. The Pulse XL Pro provides 19 distinct pulse rates. That range lets the system match the goal of the session, whether deep relaxation, active recovery, sleep preparation, or recovery from a hard training day.
Adjustable intensity. Calibrated exposure across a wide range of intensities. The system can be set gently for first-time users or pushed harder for athletes coming in after a serious training day, with consistent and reproducible output at any setting.
Dual accessory ports. Most home PEMF devices use a single mat or a single targeted applicator. The Pulse XL Pro supports simultaneous whole-body mat and focal applicator use, so a session can deliver both general full-body exposure and additional targeted attention on one area without compromise.
Premium accessories. Hand-crafted full-body mats and targeted applicators designed for optimal field penetration. The accessories matter as much as the generator. Cheap accessories produce uneven field exposure, which compromises the benefit.
What a Session Looks Like at Sisu
A typical PEMF session at Sisu runs 30 to 60 minutes.
The user lies on the full-body PEMF mat in the recovery area. Sisu staff walk through program selection and intensity setting for the first session; subsequent sessions are run independently. The pulses themselves are not felt directly. There is no heat, no vibration, no sensation of the field passing through the body. Most users describe the session as restful. Some sleep.
The targeted applicator can be added for a specific area of focus, such as a shoulder, knee, or lower back, while the full-body mat continues to deliver general exposure. Many members layer compression therapy or red light therapy alongside a PEMF session for an integrated recovery block.
The session ends when the timer completes. Most users report feeling relaxed and clear-headed immediately, with energy and recovery effects compounding over a series of sessions. PEMF is one of the modalities at Sisu where the cumulative effect of consistent use matters more than any single session.
Experience PEMF at Sisu
Three ways to begin:
- Schedule a free tour: see the studio, meet the team, no commitment.
- Explore membership tiers: pricing, packs, and how PEMF fits into the Sisu approach.
- Book a single session: drop in and try it.
References
- Assiotis, A., Sachinis, N. P., & Chalidis, B. E. (2012). Pulsed electromagnetic fields for the treatment of tibial delayed unions and nonunions. A prospective clinical study and review of the literature. Journal of Orthopaedic Surgery and Research, 7, 24. DOI: 10.1186/1749-799X-7-24
- Bassett, C. A. L. (1989). Fundamental and practical aspects of therapeutic uses of pulsed electromagnetic fields (PEMFs). Critical Reviews in Biomedical Engineering, 17(5), 451-529. PMID: 2686932
- Cadossi, R., Massari, L., Racine-Avila, J., & Aaron, R. K. (2020). Pulsed Electromagnetic Field Stimulation of Bone Healing and Joint Preservation: Cellular Mechanisms of Skeletal Response. Journal of the American Academy of Orthopaedic Surgeons Global Research & Reviews, 4(5), e1900155. DOI: 10.5435/JAAOSGlobal-D-19-00155
- Ghanbari Ghoshchi, S., Petroni, M. L., Piras, A., Marcora, S. M., & Raffi, M. (2024). Pulsed Electromagnetic Field (PEMF) stimulation as an adjunct to exercise: a brief review. Frontiers in Sports and Active Living, 6, 1471087. DOI: 10.3389/fspor.2024.1471087
- Goodwin, T. J. (2003). Physiological and Molecular Genetic Effects of Time-Varying Electromagnetic Fields on Human Neuronal Cells. NASA Technical Paper NASA/TP-2003-212054. NASA Johnson Space Center. https://ntrs.nasa.gov/citations/20030075722
- Markov, M. S. (2007). Expanding use of pulsed electromagnetic field therapies. Electromagnetic Biology and Medicine, 26(3), 257-274. DOI: 10.1080/15368370701580806
- Pipitone, N., & Scott, D. L. (2001). Magnetic pulse treatment for knee osteoarthritis: a randomised, double-blind, placebo-controlled study. Current Medical Research and Opinion, 17(3), 190-196. DOI: 10.1185/0300799039117061
- Tabrah, F., Hoffmeier, M., Gilbert, F., Batkin, S., & Bassett, C. A. (1990). Bone density changes in osteoporosis-prone women exposed to pulsed electromagnetic fields (PEMFs). Journal of Bone and Mineral Research, 5(5), 437-442. DOI: 10.1002/jbmr.5650050504
Sisu Longevity Studio | 10855 Hidden Pool Heights, Suite 140 | Colorado Springs, CO 80908
