Effects of a Machine Learning-based Lower Limb Exercise Training System for Knee Pain

Sponsor
The University of Hong Kong
Study ID
NCT05173064
Status
Not Yet Recruiting

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Conditions

Eligibility Criteria

Sex
ALL
Age
50 Years - N/A
Healthy Volunteers
Not accepted

Interventions

  • The AI-powered Technological Surrogate Physiotherapist — DEVICE
    The AI-powered Technological Surrogate Physiotherapist will have three key features: 1. Evidence-based exercise videos instructed by physical therapists 2. Real-time movement feedback and performance score 3. Exercise records.
  • Face-to-face physiotherapist-supervised exercise program — BEHAVIORAL
    Physiotherapists will give usual face-to-face therapy. The assessment of participants' exercise movements will only be achieved in the traditional manner during face-to-face exercise sessions - by physiotherapists' visual inspection of and professional judgement on postural alignment and effectiveness, with verbal instructions for posture correction. The features of real-time movement feedback and tracking of exercise progress will not be provided.

Study Details

The goal of the study is to confirm the idea of AI-powered Technological Surrogate Physiotherapist (TSP), by demonstrating its effectiveness and value as a new technology-based contribution to OA healthcare. Participants will be randomized to one of two groups: (1) the conventional PT group receiving the exercise program delivered through in-person sessions; or (2) the AI-guided group following the program through the TSP after an initial PT session. All individuals will take part in the study for 12 weeks, and data will be collected at baseline and 12 weeks after randomization.

Key Dates

First listed
Dec 29, 2021
Start date
May 20, 2026
Status verified
Apr 2026
Primary completion
Jun 30, 2027
Completion
Sep 1, 2027

Study Design

Enrollment
176 participants (estimated)
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT

Arms

  • Experimental: The AI-powered Technological Surrogate Physiotherapist
    Participants will be required to perform three 30-minute exercise sessions per week for 12 weeks, with six exercises at any one time. During the exercise sessions, participants will receiveTechnological Surrogate Physiotherapist (TSP) support which will in particular leverage AI to offer innovative features and modules dedicated to enhancing exercise monitoring and supervision, real-time performance feedback, and self-assessment.
  • Active Comparator: Face-to-face physiotherapist-supervised exercise program
    Participants will be required to visit a physiotherapist for usual face-to-face exercise therapy. Also, they will be required to perform three 30-minute home exercise sessions per week for 12 weeks. However, TSP will not be involved in this group.

Primary Outcome Measure

Changes in knee pain as assessed by a 11-point numerical pain rating scale as recommended by the OARSI [ Time Frame: From baseline to 12 weeks ]

Central Contacts

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