Meet STT’s solution for inertial motion capture. The package includes all necessary hardware and software items to perform your analyses swiftly. iSen can also acquire and synchronize data from different devices, and offers a range of utilities for signal processing, event detection, reporting and more. A full biomechanics lab the size of a backpack!
iSen communicates with the sensors via WiFi
UP TO 400Hz
Selectable sampling rate, from 25 to 400Hz
Pitch/roll below 0.5°, heading below 2°
Use no more than the right amount of sensors: 1 to 16
Send or receive data from third-party devices
Templates available for quick generation
Sensor data samples are time-stamped
Easily include reference footage
Available on IWS, and soon-to-be supported on iSen
The whole system fits easily in a backpack and involves very little hardware:The communication between sensors and router is always wireless. On the other hand, the communication between laptop and router can be either wireless (A) or via Ethernet connection (B).
Choose your analysis
Software guides you through the selection and configuration
Place the sensors
Fix them on the body landmarks sing the accessories provided
Initiate the capture, calibrate the subject and watch in real time
Review and conclude
Easily go through the recording, generate a report or export data
Register patient/athlete data and incorporate as many recordings as needed. Export/import 3GC files. Search for past files.
Body motion is displayed based on the IMU data from the segments being tracked.
Customizable bio-feedback module
Getting immediate feedback on the subject’s motion can be very useful in rehabilitation. iSen allows the user to generate conditions based on biomechanical measurements, and whenever these conditions are met the application will show a visual sign, will emit a sound or (in an upcoming version) will generate an ‘event’. They can be set as simple individual rules or as a combination of two or more rules resulting in complex conditions.
Automatic events and user-defined events
Some of the protocols involve automated detection of events (such as the heel strike or toe-off instants during walk). Besides, the user can create, edit and delete events at any time.
Output data can be generated in several formats: Raw individual IMU data (ASCII, suitable for processing in Matlab, etc), biomechanical curves as CSV, video files
Individual IMU monitoring
Watch each sensor’s 3D motion and monitor raw data as numerics or graphs over time – including raw Accel-Magnet-Gyro data per axis, Euler angles, Absolute rotation, battery life, sensor temperature, pressure.
Reports with customizable templates
Standard report templates are available as DOCX files, and the user can edit them both as template and as generated report.
STT-IWS: Where it all starts
The STT-IWS is a small, compact IMU that includes a triple-axis gyroscope, accelerometer, and magnetometer, as well a barometric pressure sensor, humidity sensor and temperature sensor.
An on-board AHRS sensor fusion algorithm combines inertial and magnetic readings to provide a drift-free measurement of orientation relative to Earth. Each device is individually calibrated using robotic equipment to achieve the highest accuracy.
For a full list of specs, please check the detailed STT-IWS page.
iSen can efficiently interface with different devices. Such integrations usually involve two key aspects: the synchronization of the signals and the data transfer. The actual implementation depends on the specifics manufacturer and model. We’ve been able to integrate all devices we have come across with, so don’t hesitate to Contact to inquire about your current or desired setup.
|IMU model||Real-time data|
|Cometa WaveTrack IMU||✔|
|Delsys Trigno Avanti||✔|
(*) STT-IBS IMUs are discontinued. Limited compatibility tests performed on iSen 2020.0.
|EMG device||Sync + RT input feed||Sync + offline feed|
|Cometa Wave Plus||✔||✔|
Force plates and others
|Third-party hardware||Sync + RT input||Sync + offline input||RT output data|
|Kistler force plate||–||✔||N/A|
|AMTI force plate||–||✔||N/A|
|Bertec force plate||–||✔||N/A|
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