Tesla Chair & Former
These devices use targeted electromagnetic pulses to stimulate muscle contractions, offering an efficient solution for those seeking enhanced muscle strength, body contouring, and overall wellness.

The Tesla Former and Tesla Chair are advanced electromagnetic stimulation (EMS) devices designed to tone, tighten, and sculpt the body with non-invasive, highly effective technology.
How Tesla Former and Chair work
Contractions beyond voluntary effort.
At Dr Jinah Yoo Regenerative Centre, we utilise the Tesla Former and Tesla Chair to help patients achieve their aesthetic goals, whether they are looking to tone specific areas or improve muscle definition. These devices can provide noticeable results without surgery, offering a safe and effective method for body contouring and muscle strengthening.
The Tesla Former and Tesla Chair use high-intensity electromagnetic fields to induce supramaximal muscle contractions. These contractions go beyond what can be achieved through voluntary muscle movement, causing the muscles to grow, strengthen, and tone. With Tesla Former, the device targets specific muscle groups on areas such as the abdomen, buttocks, and thighs. Tesla Chair is specifically designed to help tone and strengthen pelvic floor muscles, improving both aesthetic and functional outcomes.
- Technology
- High-intensity electromagnetic stimulation (EMS)
- Tesla Former
- Abdomen, buttocks and thighs
- Tesla Chair
- Pelvic floor muscles
- Session length
- 20 to 30 minutes
- Typical course
- 4 to 6 sessions, 2 to 3 days apart
- Downtime
- None


Benefits and features
What the devices do for you.
No needles, no incisions: just a quick, non-surgical solution for improving muscle tone and body contour.
Provides muscle-building effects that tone and sculpt the body. It is particularly effective for targeting hard-to-tone areas such as the abdomen and buttocks.
Ideal for individuals looking to improve pelvic health, Tesla Chair uses EMS to strengthen the pelvic floor, potentially aiding in the prevention or management of incontinence and improving sexual health.
Each treatment session typically lasts between 20-30 minutes, and patients can resume their daily activities immediately afterward, with no downtime.
The EMS technology improves circulation, enhances muscle definition, and boosts overall muscle strength, contributing to a more sculpted appearance.
The procedure is non-invasive, with no downtime, allowing patients to return to their normal routines right after treatment.
- Tone the abdomen, buttocks and thighs
- Improve muscle definition without surgery
- Strengthen the pelvic floor
- Manage urinary or faecal incontinence
- Support core strength and lower back comfort
- Improve pelvic and sexual health
- Both devices are FDA-cleared and safe with trained professionals
- Most patients feel a gentle contraction, not pain
- A typical plan is 4 to 6 sessions, 2 to 3 days apart
- Results can last several months
- Maintenance sessions extend the effect
- No downtime; resume activities immediately
Why choose Tesla Former and Chair
Three things we insist on.
These devices are powered by the latest electromagnetic stimulation technology, offering superior muscle toning and body sculpting results.
Our experts assess your body's needs and tailor a treatment plan that targets your specific aesthetic goals, whether that's body contouring, pelvic floor strengthening, or overall muscle tone.
In addition to its aesthetic benefits, the Tesla Chair also improves pelvic health, making it suitable for a variety of medical and wellness applications.
Your consultant
Led by Dr Jinah Yoo.

Dr Jinah Yoo
MBChB FRCP · Consultant Dermatologist · FounderDr Jinah Yoo is a Korean UK-trained consultant dermatologist who is the founder and medical director of Dr Jinah Yoo Dermatology. Dr Yoo has completed intensive dermatology training and developed special interest in cosmetic dermatology, hyperpigmentary disorders and skin lymphoma.
She attended numerous observerships at the World's leading pigment/cosmetic dermatology clinics in USA, Singapore and South Korea and established the first NHS-based hyperpigmentation service at Queen Elizabeth Hospital in 2018.
- GMC-registered consultant dermatologist
- Fellow of the Royal College of Physicians (FRCP)
- Distinction in MSc, University of Manchester
- MSc project work on facial hyperpigmentation
The clinic
45 Albemarle Street, Mayfair.



Frequently asked questions
Tesla Chair & Former FAQs.
Tesla Former and Tesla Chair use electromagnetic stimulation (EMS) to induce powerful muscle contractions that help sculpt and tone the body. Tesla Former targets muscle groups for body contouring, while Tesla Chair focuses on pelvic floor strengthening.
These devices use high-intensity electromagnetic pulses to stimulate muscles beyond voluntary contractions, causing muscles to strengthen and tone more effectively than traditional exercise.
The treatment is comfortable and non-invasive. Most patients report feeling a gentle muscle contraction during the procedure, which is not painful.
For optimal results, a typical treatment plan involves 4-6 sessions, spaced 2-3 days apart. Maintenance sessions may be recommended for long-term benefits.
Yes, Tesla Former and Tesla Chair treatments are non-invasive, with no downtime, so you can resume your usual activities immediately after your session.
Results can last for several months, depending on individual goals and the treatment plan. Maintenance sessions can help to extend the effects of treatment.
Yes, both Tesla Former and Tesla Chair are FDA-cleared and safe when performed by trained professionals.
Tesla Chair uses functional magnetic stimulation to target and strengthen the entire pelvic floor muscles through high-intensity electromagnetic pulses. This non-invasive treatment helps improve muscle tone and control pelvic floor muscles, addressing issues such as weakened pelvic floor strength and overall muscle functionality.
Yes, the Tesla Chair is effective for strengthening the lumbar spine and surrounding muscles, which can alleviate chronic pain in the lower back. By enhancing core muscle strengthening targeting the pelvic area, it supports better posture and spine stability.
Tesla Chair is ideal for individuals experiencing urinary and faecal incontinence, erectile dysfunction, or weakened pelvic muscles caused by ageing, childbirth, or medical conditions. It is particularly effective in managing stress urinary incontinence, urge urinary incontinence, and mixed urinary incontinence by strengthening the entire pelvic floor muscles. The treatment improves pelvic floor strength, restores muscle control ability, and provides comprehensive support for the pelvic region. Additionally, Tesla Chair can enhance sexual health by improving the strength and function of the pelvic floor, which plays a key role in managing sexual dysfunction and overall pelvic wellness.
Next step
Book a consultation to discover a tailored treatment plan.
Your practitioner will confirm whether the Former, the Chair, or both suit your goals, and how many sessions you need.



