Rehabilitation Exercise Intervention for Rheumatoid Arthritis Patients Using Artificial Intelligence-Based Exercise Prescription System

Condition(s) studied

Investigational drug(s) / intervention(s)

AI Exercise Prescription: Uses "Yidong Health AI Exercise Prescription System" delivered via WeChat mini-program, providing personalized exercise prescriptions (three sets: A/B/C) with AI Q\&A module. Physicians adjust prescriptions weekly based on patient feedback.

education and basic joint mobility exercises: Receives standardized RA disease management education and basic joint mobility exercises provided by rheumatology nurses.

paper-based exercise prescription: Receives paper-based exercise prescription developed by rehabilitation therapists, including warm-up, formal training (bridging, modified bird-dog exercise, etc.) and cool-down stretching.

Study summary

This is a single-center, randomized, parallel-controlled trial evaluating the efficacy and safety of an artificial intelligence-based exercise prescription system for rehabilitation in rheumatoid arthritis (RA) patients. A total of 147 patients with low-to-moderate disease activity will be randomly assigned to three groups: AI exercise prescription group (personalized AI system guidance), paper exercise prescription group (traditional paper guidance), and routine care group. The intervention will last for 6 weeks with 6-month follow-up assessments evaluating joint function, pain, and quality of life indicators.

Eligibility

Primary outcome measure(s)

• Knee flexion range of motion — Baseline, post-intervention (6 weeks), 3-month follow-up, 6-month follow-up
  Knee Flexion Range of Motion Unit of Measure: Degrees (°) Knee flexion range of motion refers to the maximum angle through which the knee joint can bend, measured from the straight (extended) position to the farthest point the lower leg can move toward the thigh. This assessment evaluates the flexibility and functional mobility of the knee, which is critical for daily activities such as walking, climbing stairs, and sitting. Relevant definitions and criteria: A "normal" range of motion for knee flexion in adults is generally considered to be 135° to 150°, though this can vary slightly based on age, physical conditioning, and individual anatomy. Limited knee flexion (e.g., less than 90°) may indicate joint stiffness, muscle tightness, or underlying issues such as injury, arthritis, or post-surgical scarring.

Trial sites (1)

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