Knee-pain app trial found a strength advantage; pain comparisons remain unclear
An exercise-and-CBT app was tested against exercise education. Pain improved within the app group, while the clearest reported between-group advantage involved knee extension strength.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
People assigned to the app reported less usual pain over follow-up, while the control group showed no pain change. However, those separate within-group findings do not establish that the app reduced pain more than the comparison treatment. The reported between-group advantage concerned knee extension strength at treatment completion; both groups improved in functional disability.
This abstract-based summary describes a small trial and does not provide a direct between-group pain estimate or detailed safety results. It cannot separate the effects of exercise, CBT and app delivery.
What researchers found
Knee extension strength
App versus control at 8 weeks, measured with a strength-testing device. The between-group difference was statistically significant, but its size was not reported in the abstract.
What the app added
The app combined home exercises with weekly cognitive behavioral therapy modules and daily worksheets. The comparison group received disease information and an exercise education session, with encouragement to keep exercising independently during the study.
Other outcomes
Functional disability improved in both groups by the final assessment. Quality-of-life improvement appeared at more assessment points in the app group, but the abstract does not report a direct between-group comparison for that outcome.
The original publication
Efficacy of a Mobile Multidisciplinary Digital Therapeutics App for Patellofemoral Pain: Randomized Controlled Trial.
Lee S, Yoon C, Choi CH et al.
JMIR Mhealth Uhealth · 2025
- PubMed ID
- 41105952
- Record checked
AI-assisted research and writing. This explains one selected publication; it is not a complete review of everything known. Our approach.
One more question, understood.
Keep track of the research you’ve explored.