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SPIRE
HD-EMG research is advancing, and so are we. Meet SPIRE, our compact, wearable, and wireless HD-EMG device. Whether you are monitoring a single muscle during isometric exercises or measuring multiple muscle groups in dynamic movements, SPIRE delivers precision and reliability for any experimental setup.
Why SPIRE
SPIRE is our wearable and wireless high-quality HD-EMG amplifier. While compact, each device can record up to 64 channels and can be synced with multiple devices. SPIRE can be used in biomechanics, rehabilitation, sports science, robotics, prosthetics, ergonomics, and neurology.
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Lightweight, wireless system for enhanced mobility and ease of use in various experimental settings.
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Measure with up to 256 channels by synchronizing multiple devices, with each device capable of independently supporting up to 64 channels. This feature allows you to use several systems simultaneously, providing deeper insight into how different muscles work together.
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Customize your experimental setup with options for grid sizes and topologies, synchronization with external hardware, and the number of recorders to match your unique experimental needs.
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Robust technology is resistant to mains interference, movement artifacts, and signal clippings for precise and reliable data.
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Use SPIRE for diverse applications; From biomechanics and sports science to rehabilitation, robotics, prosthetics, ergonomics, and neurology. Its wearability & reliability unlock many research possibilities!
Applications
SPIRE supports advanced high-density EMG research in the fields of biomechanics, rehabilitation, sports science, robotics, prosthetics, ergonomics, and neurology. Examples of what you can do with SPIRE:
Motor Unit Decomposition
Record and evaluate individual motor units to explore neuromuscular function.Human-Computer Interaction
Control prosthetic or robotic devices through muscle signals.Sports Science
Evaluate muscle activation and fatigue to optimize training and performance.Muscle Fiber Properties
Investigate the characteristics and behavior of muscle fibers to gain insights into muscle physiology.Spatial Muscle Mapping
Conduct detailed spatial mapping of muscle activity for comprehensive analysis of muscle behavior, synergy, and function.Rehabilitation
Objectively measure muscle recovery and progress after injury or disease.
Pair with the Textile HD-EMG Grids
Our Textile HD-EMG Grids are made from stretchable, adhesive fabric that stays securely in place even on challenging areas of the skin, ensuring reliable measurements during dynamic movements or stationary isometric contractions. Additional double-sided adhesives for reusing the grids are also available.
Secure your setup with ease
Attach the SPIRE recorder directly to the body using body straps or double-sided adhesives. No hassle, no clutter, just seamless EMG measurements!
Synchronization and Triggering
SPIRE has options for synchronization and triggering, designed for seamless integration with other devices. We offer options such as the USB TTL Module, our device’s trigger inputs, and Artinis PortaSync.
Integrating HD-EMG and mNIRS for Comprehensive Muscle Insights
Combining muscle near-infrared spectroscopy (mNIRS) and high-density electromyography (HD-EMG) provides a comprehensive understanding of muscle function, fatigue, and performance by capturing both metabolic and neuromuscular activity in real time.
While HD-EMG maps motor unit recruitment, firing rates, and conduction velocity, mNIRS measures local muscle oxygenation, desaturation, and recovery dynamics. Together, they reveal how neural activation and metabolic demand interact during exercise, training, or rehabilitation.
Our integrated PortaMon and SPIRE systems combine both techniques in a wearable, portable, and easy-to-use solution that is ideal for dynamic, movement-based studies. The NIRS sensor can be positioned directly on the HD-EMG grid, enabling precise, co-localized measurements from the same muscle region.
This combined approach helps researchers and clinicians to:
Distinguish whether fatigue or recovery is limited by neural drive or oxygen delivery
Evaluate training effectiveness and rehabilitation progress
Gain spatially detailed insights into muscle coordination and adaptation
Read our blog post about Combining HD-EMG and mNIRS, and unlock a deeper understanding of muscle physiology.
The Story Behind SPIRE
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In Dutch, the word "spier" means muscle — the very focus of this device.
Inspired by this, we named our muscle-dedicated system SPIRE, reflecting its purpose to capture high-quality HD-EMG data, enabling deeper insights into human physiology and supporting the advancement of scientific research.
Software
Get started instantly with SPIRE Connect, designed specifically for its ease of use at any experience level.
SPIRE Connect
Our free software for HD-EMG measurements allows you to configure SPIRE, measure impedances, view real-time data, and more. It is straightforward and accessible for users of all experience levels. It also provides possibilities for post-processing and analysis in Python or other External Software Integrations.
Stay Updated on SPIRE
More information about SPIRE will be released soon. Sign up below to be the first to learn more about this technology!
HD-EMG Products and Accessories
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![SAGA]()
SAGA
SAGA is our all-in-one device for EEG/HD-EMG measurements. SAGA is able to measure 32, 64, or 128 channels of high-quality HD-EMG signals along with bipolar EMG and physiological sensors. It has a full-scale performance in a stationary or portable setup with the data recorder worn on the body. With SAGA, everything is possible.
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![SPIRE HD-EMG]()
SPIRE
SPIRE is our compact, wearable, and wireless HD-EMG device. While compact, each device can record up to 64 channels, with the option to sync multiple devices. Whether you are monitoring a single muscle during isometric exercises or measuring multiple muscle groups in dynamic movements, SPIRE delivers precision and reliability for any experimental setup.
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![Textile HD-EMG Grids]()
HD-EMG Accessories
Our Textile HD-EMG Grids are made from stretchable, adhesive fabric that stays securely in place even on challenging areas of the skin, ensuring reliable measurements during dynamic movements or stationary isometric contractions.
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![Other Accessories]()
Other Accessories
We provide a wide variety of cables designed to meet the diverse needs of researchers across various applications. Whether you are looking to measure EOG, ECG, single or dual bipolar EMG, we offer high-quality solutions to ensure optimal performance and reliability.
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![Physiological Sensors]()
Physiological Sensors
We offer advanced sensors for detailed physiological insights, including a 3D accelerometer for motion tracking, a GSR sensor to monitor stress and emotions, a respiration band for breathing patterns, an SPo2 sensor for blood oxygen levels, and a DBS cable to study neural activity.
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![Synchronization and Triggering]()
Synchronization and Triggering
Discover our synchronization and triggering solutions, designed for seamless integration with other devices. We offer options such as Lab Streaming Layer (LSL), the SAGA Synchronization Module, USB TTL Module, and our device’s Trigger Inputs & Sync Outputs.
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![External Integrations]()
External Integrations
Our products can be seamlessly integrated with external systems, including E-Prime Chronos for ERP measurements, Cometa Wave X for IMU and bipolar data, Movella for inertial data, and advanced eye-tracking technologies.
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![Software]()
Software
Our APEX User Application allows you to configure your device, measure impedances, and view real-time data with helpful plotters and displays. The TMSi Python Library supports EEG workflows, with open-source integration for data acquisition, impedance plots, and signal visualization. We also offer integration with popular software platforms like MNE, EEGLAB, BESA, and AcqKnowledge for data analysis.
Artinis EEG/HD-EMG products are intended for research purposes only and are not designed, marketed, or authorized for use in the diagnosis, prevention, or treatment of any disease or medical condition.