Choosing the Right Electrical Muscle Stimulator - MFI Medical

Electrical muscle stimulators are a cornerstone in physiotherapy and rehabilitation. They offer a non-invasive method to stimulate motor nerves, contract muscles, and, ultimately, alleviate pain and speed up recovery. This blog will review electric muscle stimulators from renowned manufacturers Amrex, Dynatronics, Chattanooga, and Mettler, all accessible at MFI Medical.

Amrex MS Series

Amrex MS Series - MFI Medical

The Amrex MS322 Low Volt AC Muscle Stimulator is an electrical stimulator for muscles that offers flexible, reliable, and comfortable stimulation with twin peak pulsed muscle stimulation capabilities.


The Amrex MS322 Low Volt AC Muscle Stimulator offers various features for effective muscle stimulation. It is a single-channel stimulator with two pads, allowing for targeted treatment. Users can adjust pulsation and surge rates to suit their needs, and the surge mode is ramped for gradual intensity changes. The built-in 30-minute timer enables intensity resets as needed. This simulator is commonly employed in combination therapy, making it a versatile and valuable tool for therapeutic applications.

Whereas the Amrex MS324A and Amrex MS324AB Low Volt AC electrical stimulators for muscles provide dual channels, offering additional versatility to the user.

Dynatronics Dynatron Series

Dynatronics Dynatron Series - MFI Medical

The Dynatronics Dynatron 525 3-Channel Stim Unit and Dynatronics Dynatron 625 5-Channel Stim Unit electric muscle stimulators deliver advanced electrotherapy with multiple channels. This allows the simultaneous treatment of various body parts or multiple patients, making them ideal for busy clinics.

The treatment parameters are user-friendly and prominently displayed, allowing for effortless adjustments with a simple touch. By utilizing the TARGET touchpad, treatment focus can be precisely directed to the patient's pain area by gliding a finger across the pad. This quick and intuitive process enables setup in just three key presses for most treatments, streamlining the treatment procedure and enhancing overall efficiency.

Chattanooga Intelect Series

Chattanooga Intelect Series - MFI Medical

The Chattanooga Intelect NMES Portable Electrotherapy electric muscle stimulator offers the convenience of portability with the clinical capabilities of a stationary unit.

The digital NMES unit offers adjustable pulse frequency, pulse amplitude, and contraction/relaxation time settings. With dual independent channels, it includes an LCD screen and three stim modes (Alternate, Constant, and Synchronous).

Chattanooga Continuum Neuromuscular Electrical Stimulator - MFI Medical

The Chattanooga Continuum Neuromuscular Electrical Stimulator offers a broad range of stimulations for various rehabilitation requirements, making it a comprehensive solution for diverse patient needs.

It offers 1+1 function with two separate channels, allowing users to use the same or different programs simultaneously. It provides 13 preprogrammed and two custom regimens for NMES and TENS, with adjustable parameters for waveform type, pulse rates, cycling, and more. The balanced waveforms ensure powerful yet comfortable muscle stimulation. Powered by AA batteries with a belt clip for portability, it also features a built-in kickstand for support. The handheld remote trigger allows easy activation of stimulation by the clinician or patient. User-friendly, it enables effective TENS and NMES treatments.

Mettler Sys*Stim Series

Mettler Sys*Stim Series - MFI Medical

The Mettler Sys*Stim 228 Neuromuscular Stimulator and Mettler Sys*Stim 240 Neuromuscular Stimulator offer flexible parameters, ergonomic design, and precise stimulations. These electric muscle stimulators are suitable for clinicians who demand high precision in their treatments.

The Mettler Sys*Stim 228 Neuromuscular Stimulator features a built-in handle, four stimulation waveforms, an easy-to-navigate interface, and a bright LED display. It offers pain management options, Medium Frequency, and biphasic waveforms for rehabilitation needs. The device includes a pin to banana adapter for convenient combination therapy with Mettler ultrasound.

The Mettler Sys*Stim 240 Neuromuscular Stimulator offers nine waveforms, three timers for multi-treatment capability, touch-sensitive technology, high-res color display, easy navigation, customizable treatment protocols, and compatibility with ultrasound for combination therapy. Available in multiple languages, ETL/ C-ETL listed, with optional laser/cluster therapy.


In conclusion, the choice of electrical muscle stimulator depends on the specific requirements of your clinic and patients. Key factors to consider include versatility, number of channels, precision, and portability.

At MFI Medical, we supply an extensive collection of Electrical Muscle Stimulators from industry-leading manufacturers. We're committed to aiding clinicians in delivering excellent patient care by providing them with the right tools. Explore our selection and reach out to us if you need assistance in choosing the appropriate device for your practice. We hope this comparison assists you in making an informed decision for your electrical muscle stimulation needs. Remember, the right equipment can enhance your therapeutic offerings and improve patient outcomes.