NASA, Athletes, and Physiotherapy: Why Real EMS Isn't Beauty Tech
About the Authors
Bertica M. Rubio, M.D.
Medical Director, Antiaging Regenerative Medicine Clinic | Board-Certified Physician | Dartmouth Medical School
Dr. Bertica M. Rubio is a board-certified physician and Medical Director of the Antiaging Regenerative Medicine Clinic in Redlands, California. She earned her Bachelor of Science degree from Loyola Marymount University and her Doctor of Medicine from Dartmouth Medical School (Geisel School of Medicine). She completed her pediatrics residency at UC Irvine Medical Center.
With decades of clinical experience, Dr. Rubio specializes in age management medicine, regenerative medicine, wound healing, and growth factor therapies. Her practice integrates evidence-based medical science with advanced aesthetic and regenerative treatments, helping patients achieve optimal health and youthful vitality.
Dr. Rubio is passionate about educating patients on the science behind skincare, facial rejuvenation, and non-invasive technologies like EMS (Electrical Muscle Stimulation) for facial toning. Her articles for PureLift LAB combine rigorous medical knowledge with practical guidance for achieving real, lasting results.
Andrew Conrad Barile, PT, DPT
Doctorate of Physical Therapy (DPT), Licensed Physical Therapist (PT)
Dr. Andrew Conrad Barile is a Doctor of Physical Therapy and the CEO and Founder of Xtreem Pulse LLC. He earned his Doctorate in Physical Therapy from Daemen College and brings over two decades of clinical and entrepreneurial experience in pediatric physical therapy, craniosacral therapy, and medical device innovation. His deep understanding of human anatomy, muscle physiology, and therapeutic technology provides invaluable science-backed approach to facial rejuvenation and anti-aging solutions.
Daniel Grinberg, MD, FACS
Board-Certified Otolaryngologist & Head and Neck Surgeon | Fellow, American College of Surgeons | Assistant Clinical Professor, Mount Sinai School of Medicine
Daniel Grinberg, MD, FACS is a Board-Certified Otolaryngologist and Head & Neck Surgeon at ENT and Allergy Associates in West Nyack, NY. He earned his medical degree from Columbia University College of Physicians and Surgeons, completed his Otolaryngology residency at New York University Medical Center, and serves as Assistant Clinical Professor at Mount Sinai School of Medicine. He is a Fellow of both the American College of Surgeons and the American Academy of Otolaryngology.
Dr. Grinberg's head-and-neck surgical perspective brings PureLift LAB readers a wider clinical lens — connecting at-home EMS practice to the underlying medical anatomy with the same scientific rigor we apply to every device specification.
Prof. Dr. med. Ivo Buschmann
Chair of Angiology, Medizinische Hochschule Brandenburg | Clinic Director, University Clinic for Angiology, Brandenburg University Hospital | Former Senior Consultant, Charité Universitätsmedizin Berlin
Prof. Dr. med. Ivo Buschmann is Chair of Angiology at the Medizinische Hochschule Brandenburg Theodor Fontane (MHB) and Clinic Director of the University Clinic for Angiology at the Brandenburg University Hospital. He completed his medical training at the University of Hamburg, served as a Max-Planck Society Fellow at the Max-Planck-Institute for Heart and Lung Research, and held senior consultant positions at the Charité Universitätsmedizin Berlin Campus Virchow before being appointed Chair at MHB in 2016.
Prof. Buschmann is one of Europe's leading authorities on arteriogenesis — the flow-driven growth and remodeling of blood vessels — with more than 150 peer-reviewed publications and several US and EU patents on devices that stimulate collateral blood vessel growth through controlled shear-rate therapy. His research connects mechanical and electrical stimulation to vascular adaptation, microcirculation, and tissue perfusion.
Prof. Buschmann's contributions bring PureLift LAB readers a vascular-biology perspective that complements our existing clinical, physical-therapy, and surgical-anatomy authorship — explaining how EMS stimulation engages not only facial muscles but also the microcirculation that supplies them, and why smart delivery matters at the level of blood flow as much as muscle contraction.
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When you look at the at-home facial device aisle, every product looks similar — a small handheld unit with a metal head, marketed as a "lifting" or "sculpting" tool. The marketing language flattens the distinctions between devices and obscures something important about the strongest of them: real electrical muscle stimulation is not a beauty technology that migrated upward into the skincare category. It is a medical technology that migrated downward from clinical rehabilitation, sports performance, and even spaceflight.
This article walks through the actual clinical lineage of EMS — what it does, where it's used, who uses it — so the next time you read "lift, tone, sculpt" on a product page you have a frame for understanding which devices are actually delivering medical-grade technology and which are using the language without the substance.
EMS in physiotherapy: 70 years of clinical practice
Neuromuscular electrical stimulation has been used clinically since the 1950s. Its primary clinical application is rehabilitation after surgery or injury — particularly when a patient cannot voluntarily contract a muscle with enough force or frequency to maintain its strength during the recovery period.
The most cited paper in the modern NMES literature is Snyder-Mackler et al. (1995), published in the Journal of Bone and Joint Surgery. The trial randomized 110 patients post-anterior cruciate ligament reconstruction across four protocols: high-intensity NMES, high-level volitional exercise, low-intensity NMES, and a combination. Result, verbatim: "Results support the use of high-intensity electrical stimulation and do not support the use of low-intensity or battery-powered stimulators when the goal is recovery of quadriceps femoris muscle force production."
This is the foundational finding that anchors the entire concept of EMS as a real-world muscle stimulation modality. High-intensity stimulation produces measurable muscle force recovery in patients who otherwise could not generate that force voluntarily. The principle transfers across muscle groups, including the smaller, more superficial muscles of the face.
EMS in elite sport: 50 years and counting
In the early 1970s, Soviet sports scientist Yakov Kots developed a stimulation technique now known internationally as Russian Current. The architecture: alternating current at 2.5 kHz, modulated into 50 Hz bursts. Kots reported force gains of up to 40% in elite athletes from this stimulation pattern. The methodology was reviewed in the Western physical therapy literature decades later in Ward & Shkuratova (2002), Physical Therapy.
Russian Current is not the same waveform PureLift uses — PureLift operates at 1.37–1.73 kHz with continuous random modulation across 361 frequencies, a more sophisticated architecture than Kots' fixed-burst design — but the operating principle, kHz-band alternating current to engage motor units with comparatively low discomfort, is direct lineage from the original Soviet sports-science work.
EMS on the International Space Station — July 2025
One of the most striking recent applications of NMES is in spaceflight. In July 2025, NASA initiated onboard ISS testing of neuromuscular electrical stimulation on flight engineers Nichole Ayers and Anne McClain, to investigate the technology's potential to counteract the muscle atrophy that occurs during long-duration spaceflight (NASA Space Station Blog, 21 July 2025).
The reason astronauts use EMS is the same reason post-surgical patients use it. When you cannot load your muscles through voluntary movement — in microgravity or with a knee immobilized — the muscle progressively atrophies. Externally applied electrical stimulation, at sufficient amperage and the right frequency, replaces the motor neuron signal that voluntary movement would have provided. The muscle contracts. The muscle stays conditioned.
This is the application that demonstrates what real EMS is: a medical-grade technology used by NASA to keep astronauts' muscles functioning when nothing else can.
EMS in clinical rehabilitation today
Beyond ACL recovery and spaceflight, NMES is in active clinical use for stroke rehabilitation (to assist regaining motor function in affected limbs), spinal cord injury (functional electrical stimulation for standing, stepping, and reaching), critical illness recovery (preventing muscle wasting in ICU patients), and chronic obstructive pulmonary disease (peripheral muscle training when exercise tolerance is severely reduced).
The dominant clinical authority on NMES methodology is Nicola Maffiuletti at the Schulthess Clinic in Zurich. His 2010 review in the European Journal of Applied Physiology and his 2018 follow-up in Archives of Physical Medicine & Rehabilitation are the standard references for how to deliver, measure, and evaluate NMES protocols. From Maffiuletti et al. (2018), verbatim: "the major determinant of NMES effectiveness is the intrinsically determined muscle tension generated by the current (i.e., evoked force)."
Translation: when researchers evaluate whether an NMES protocol works, they measure the muscle. Not the spec sheet, not the user's subjective sense of intensity, not the marketing claims. The muscle.
What this means for the at-home facial category
The vast majority of "lifting" devices in the beauty aisle are not NMES. They are microcurrent (1–8 Hz, microampere range) — a different technology category operating at a different physiological level. Microcurrent has legitimate documented effects at the cellular and dermal layer, but the current is approximately a thousand times too weak to cross the motor contraction threshold.
Real EMS in a facial device requires the same architectural elements as clinical EMS: milliampere-range current, kHz-band operation, modulated waveforms to defeat neuromuscular accommodation. PureLift is built on the same operating principles a physiotherapist uses in clinic — adapted for facial musculature, with the engineering to make it safe and effective for daily home use.
This is the credibility frame Roger and our authors come back to consistently. EMS is not beauty technology. It is medical technology with a 70-year clinical lineage, an Olympic-sport lineage, and now a spaceflight application. PureLift's role is making that technology — properly engineered, modulated correctly, with sufficient power to actually engage muscle — available outside the clinic, on your bathroom counter, in a form designed for the facial musculature specifically.
For the full evidence base, see The Research Behind PureLift LAB: 17 Peer-Reviewed Studies. To experience medical-grade EMS architecture in an at-home device, the PureLift Pro+ with Activator Serum is the cleanest expression of the technology in our line.
References: Snyder-Mackler L et al. (1995). Strength of the quadriceps femoris muscle and functional recovery after reconstruction of the anterior cruciate ligament. Journal of Bone & Joint Surgery (American). PubMed ID: 7642660. Ward AR & Shkuratova N. (2002). Russian Electrical Stimulation: The Early Experiments. Physical Therapy 82(10):1019–1030. PubMed ID: 12350217. Maffiuletti NA et al. (2018). Clinical Use of Neuromuscular Electrical Stimulation for Neuromuscular Rehabilitation. Archives of Physical Medicine & Rehabilitation 99(4):806–812. PubMed ID: 29233625. NASA Space Station Blog. Week Starts with Muscle Stimulation and Cellular Research During Cargo Transfers, 21 July 2025.