Gait & Posture

| 2019

Unsupervised gait retraining using a wireless pressure-detecting shoe insole


The knee adduction moment (KAM) is a surrogate measure of mediolateral distribution of loads across the knee joint and is correlated with progression and severity of knee osteoarthritis (OA). Existing biomechanical approaches for unloading the arthritic medial knee compartment vary in their effectiveness in reducing KAM. This study employed a completely wireless, pressure-detecting shoe insole capable of generating auditory feedback via a smartphone.

Research question

To investigate whether auditory cues from a smartphone can prompt subjects to adjust their gait pattern and reduce KAM.


Nineteen healthy subjects underwent gait training inside the lab (Phase 1) and received auditory cues during mid- and terminal stance to medialize their foot COP (center-of-pressure). This initial training period was continued unsupervised while walking around campus (Phase 2).


After Phase 1, subjects reduced their KAM by 20.6% (p= 0. 001), a finding similar to a previous study that used a wired, lab-based insole system. After further unsupervised training outside the lab during Phase 2, subjects were able to execute the newly learned gait pattern without auditory feedback still showing a KAM reduction of 17.2% (p < 0.001). Although, speed at Phase 2 was lower than at baseline (p= 0.013), this reduction had little effect on KAM (r=0.297, p= 0.216). In addition, the adduction angular impulse was reduced (p= 0.001), despite the slower speed.


Together, these results suggest that the wireless insole is a promising tool for gait retraining to lower the KAM and will be implemented in a home-based clinical trial of gait retraining for subjects with knee OA.


Osteoarthritis, Knee adduction moment, Gait modification, Feedback, Wireless sensor insole

Institution / Department

Department of Orthopedic Surgery, Rush University Medical Center, Chicago

Wir haben Dein Interesse geweckt?


Sei immer einen Schritt voraus!

Folge uns auf LinkedIn

Und abonniere unseren Newsletter, um die neuesten Informationen über Fallstudien, Produkt-Updates und Unternehmensnachrichten zu erhalten.

Select your desired system

The cutting edge test based outcome assessment system for health professionals and trainers

The most versatile toolkit for free data acquisition and comprehensive analytics in research

Have a general inquiry?

Write us a message for general questions about products and solutions or if you’d like to discuss other topics.

Wähle Deine Produktelinie

Mobile Ganganalysen und sportmotorische Tests für Trainer und Therapeuten – objektiv und effizient.

Das flexible System für freie Datenerfassung und fortgeschrittene Analysen in der Forschung.

Du möchtest eine Anfrage stellen?

Schreibe uns eine Nachricht zu allgemeinen Fragen über Produkte oder zu anwendungsbezogenen Themen, die Du besprechen möchtest.

Das Formular wurde erfolgreich gesendet.

Wir werden uns in Kürze mit dir in Verbindung setzen.


Immer einen Schritt voraus!

Abonniere unseren Newsletter für die neuesten Informationen zu Fallstudien, Webinaren, Produkt-Updates und Neuigkeiten bei Moticon

Hole dir Unterstützung

Finde Antworten zu den häufigsten Fragen in unseren FAQ

Beschreibe Dein Problem so detailliert wie möglich. Hänge Screenshots oder Daten an, sofern das hilfreich ist.

Need help?
Want a live demo?
Interested in prices?
Want to say hello?
Always just a call away
+49 89 2000 301 60
Du brauchst Unterstützung?
Du möchtest eine Live Demo?
Interessiert an Preisen?
Du hast Fragen?
Nur einen Anruf entfernt
+49 89 2000 301 60

The form was sent successfully.

You will be contacted shortly.

Get support

Check our FAQ database for answers to frequently asked questions

Describe your issue in as much detail as possible. Include screenshots or files if applicable.