Quick Symptoms Check
- Dull ache around or behind the kneecap
- Pain going down stairs
- Pain after sitting with knees bent for a long time (the 'theater sign')
- Crepitus (grinding) sometimes felt or heard with squats
Most Common Causes
- Weak glute medius and quad imbalance
- Heavy downhill running
- Mileage spike
- Sudden increase in hill work
Get a weekly runner's intelligence email — including runner's knee insights.
Stridely Academy delivers short, science-based emails for runners every week.
No spam. Unsubscribe anytime.
By Athlete Type
Runner's Knee looks different for a high school runner than a masters marathoner. Pick yours.
Related Injuries
Catch it earlier next time
Stridely flags injury risk before it becomes injury.
Daily monitoring of training load, sleep, and recovery — so runners can train hard without breaking down.
Start free in Stridely