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eSense Muscle Home Edition (1-Channel EMG Biofeedback with Web App)

eSense Muscle Home Edition (1-Channel EMG Biofeedback with Web App)

€ 499,00

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€ 499,00

incl. 19% VAT plus Shipping Costs

The eSense Muscle can measure and evaluate electromyographic activity and transmit it to a terminal device via Bluetooth®.

SKU: MFB-eSM-HOME Tags: , ,

Description

General information about EMG (electromyography) biofeedback training

The eSense Muscle is a cutting-edge device that can measure and train electromyographic biofeedback related to muscle activity. It transmits this data to your computer, smartphone, or tablet via Bluetooth® for real-time monitoring and analysis. 

The human musculature plays an essential role in the body, not only for movement but also as a major energy consumer, accounting for approximately 70-80% of our body weight. Muscle contraction is reflected by electrical potential shifts along the fibers of striated muscles, which can be measured through surface electromyography (EMG) at the skin’s surface. This non-invasive method captures electrical activity in the form of summation potentials, resulting in an electromyogram. 

Our transverse striated muscles, which are responsible for voluntary movements, are controlled by the somatic nervous system. Every intentional muscle contraction is visible in the electromyogram, making it a valuable tool in both training and rehabilitation settings. The device can track not only voluntary actions but also involuntary reactions, such as stress, emotional tension, or psychophysiological states, providing insight into overall muscle tone. 

In recent years, EMG biofeedback has been extensively studied, with systematic reviews demonstrating its efficacy in various therapeutic applications. By using electromyographic biofeedback, individuals can gain greater control over their muscle activity, helping to reduce tension and improve muscle coordination. This makes the eSense EMG device ideal for professionals and individuals alike, offering precise biofeedback and ease of use in both clinical and personal settings. 

 

YouTube video

YouTube video

Scope of delivery of the eSense (EMG Device) Muscle Home Edition for Biofeedback Training:

  • Mindfield® eSense Muscle Sensor incl. 1600mAh lithium polymer battery for approx. 12 hours of continuous operation
  • Clip to fixate the sensor unit at the clothing
  • Electrode cable set for connecting up to 3 electrodes for the use of the EMG device
  • USB-C charging cable and charger
  • Bluetooth® dongle for Windows, if your PC does not have Bluetooth® (please refer to the enclosed instructions)
  • 50 pieces of EMG surface electrodes
  • 50 pieces of alcohol swabs for cleaning the skin
  • eSense Muscle Web App from Mindfield, available at www.esense-muscle.com
  • Detailed instructions for effective biofeedback training.

YouTube video

Details Home Edition (EMG Device)

  • One channel is available (the scope of delivery of the Home Edition therefore only includes the accessories for a 1-channel training)
  • A bandpass of 100-200 Hz is preset
  • All 1-channel animations are available
  • All games are also available in the Home Edition (because generally all games are also playable with one channel)
  • On the highscore page all points from the games and animations are visible to the user
  • The eSense Muscle Web App is available (for Windows, Mac, Linux and limited on mobile devices)
  • The eSense Muscle Mobile App is NOT available, this is only part of the Pro Edition

 

Apple, iPhone, iPad, iPod touch are trademarks of Apple Inc., registered in the U.S. and other countries. | IOS is a trademark or registered trademark of Cisco in the U.S. and other countries and is used under licence. | Android is a trademark of Google LLC | The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Mindfield Biosystems Ltd. is under license. Other trademarks and trade names are those of their respective owners.

The EMG signal for Biofeedback Techniques

With EMG, we measure a voltage curve over time, paying attention to both the amplitude (the magnitude) and the frequency of the signal. Depending on the musculature, significant differences become apparent. For example, an EMG signal from a small muscle, like a finger, is considerably lower in amplitude and frequency than the signal from a large thigh muscle. This variation is essential in biofeedback training, where understanding muscle activity helps in managing muscle tension and promoting relaxation. 

The eSense Muscle EMG Device can measure the raw EMG signal and transmit it via Bluetooth®, offering three preset bandpass signals (RMS) in the following frequency ranges: 

  • 20 Hz to 950 Hz 
  • 20 Hz to 300 Hz 
  • 100 Hz to 200 Hz 

These signals can be selected and used through the eSense web app or mobile app. In biofeedback training, we work with the bandpass RMS signals as they are directly related to muscle amplitude and applied force, crucial for tracking muscle activation and relaxation. Amplitude values range from a few µV (millionths of a volt) to several hundred µV in particularly strong muscles, providing valuable data for managing muscle tension and improving range of motion. 

The frequency range of the EMG signal plays a lesser role in biofeedback, only emphasizing the specific signal part you want to observe. EMG activity spans a wide frequency spectrum, from approximately 10 Hz to 500 Hz, with a focus between 25-300 Hz. Choosing a wide filter (20-950 Hz) captures all components of the EMG signal, while a narrower filter (100-200 Hz) allows you to isolate key signals and reduce interference such as pulse artifacts or mains hum. 

Additionally, for more comprehensive therapy, EMG devices like the eSense Muscle can be paired with electrical stimulation to enhance the recovery process. This combination provides precise biofeedback and stimulation, making the device an excellent tool for both muscle relaxation and targeted biofeedback training. 

 

 

Quick User Guide

  • The complete manual can be found on our website www.mindfield.de under “Biofeedback” => “Products” => “eSense” => “eSense Muscle”. You can also find a demo video on our website. A short instructions comes with the eSense Muscle as well.
  • Take the electrode cable set from the package. Five electrode cables are included. In black, white, yellow, red and green.
  • The yellow electrode cable is the ground / earthing electrode!
  • For a 1-channel measurement, please use the electrodes black (channel 1+), white (channel 1-) and yellow (grounding).
  • For a 2-channel measurement, please use the electrodes black (channel 1+), white (channel 1-), yellow (grounding), red (channel 2+) and green (channel 2-).

Technical details

  • 2-channel EMG biofeedback device
  • Bluetooth® 5.0 transmission to PC or smartphone / tablet (Android and iOS)
  • Built-in Li-Ion battery 1600mAh for up to 12 hours of uninterrupted operation
  • 2 bipolar EMG inputs (CH1 +, CH1-, CH2 +, CH2-), 1 x analog ground
  • 2 multifunction buttons for operating the device
  • 1 RGB LED to display the operating status
  • 24 bit ADC and preamplifier for each channel, native sampling with 2 kHz per channel
  • 3 Bandpass filter (Bessel, 8th order) per channel. -3dB. Limit frequencies: BP1: 20..950Hz, BP2: 20..300Hz, BP3: 100..200Hz
  • RMS calculation and moving average over 0.5 seconds. Decimation to 100 RMS samples per second
  • 200mV differential measuring range per channel
  • 0.024 μV ADC Resolution per LSB
  • < 1.7 μV RMS Noise BP1
  • < 1.3 μV RMS Noise BP2
  • < 0.8 μV RMS Noise BP3
  • Channel 1 and 2 CMRR at 50Hz and 60Hz: better -105dB
  • Protection against electrostatic discharges (ESD) up to + -15kV according to the “Human Body Model”, IEC 1000-4-2, Air-Gap Discharge
  • HF-Filter
  • Operating mode: continuous operation
  • Measurement accuracy EMG amplifier / ADC, amplification: ± 5% basic accuracy, ± 0.2% after calibration, bandpass lower and upper limit frequency: ± 0.1%, sampling frequency: better than ± 0.1% (Resonator)
  • Operating range: 5-40 ° C, <= 95% relative humidity

 

Engineered in Germany

The eSense is completely engineered at Mindfield in Germany.

Product safety

Manufacturer information

Hindenburgring 4
D-48599 Gronau
Germany

Person responsible for the EU

Niko Rockensüß

Product safety documents

Who is the eSense suitable for?

  • for private users / home users
  • for professional users (biofeedback trainer)

Mindfield eSense Web App for Windows, Mac and Linux

The eSense Muscle is being delivered with new software for the first time, a web app that runs exclusively in a browser.

You don’t need to install any software. All you need is:

  • A PC / notebook with: Windows 10, Mac or Linux
  • A functioning Bluetooth® connection on this PC / notebook, Bluetooth® must therefore be available and usable.
  • A browser that supports “Web Bluetooth®” so that you can connect to our eSense Muscle via Bluetooth®. As of April 2021, these are Google Chrome, Microsoft Edge and Opera

We recommend to use the latest version of Google Chrome. Mozilla Firefox and Apples Safari are NOT supported.

So if you have a computer with Bluetooth® and one of the browsers mentioned, please go to the website: https://www.esense-muscle.com

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