Overview
Common in runners and teens.
Weak hips and thighs contribute.
When to get medical care
Causes
Causes include overuse and muscle imbalance.
OwieClear has pages on 1 condition that can cause pain around the kneecap with stairs or squats. Each shows how soon to get care.
Common causes
- Runner's knee (patellofemoral pain)Often treated at home
Pain around or behind the kneecap that gets worse with stairs, squatting, running, or sitting with bent knees for a long time.
What you can do at home
- Strengthen thigh and hip muscles.
- Reduce activity that hurts.
Medicines
Physical therapy helps.
At the doctor
Diagnosed by exam.
Questions you may be asked
- Activities
The exam
A knee exam.
Tests
- Usually none
Prevention
Train smart.
- Build up slowly
Check your symptoms
Most symptoms have more than one possible cause. The symptom checker looks at all of your symptoms together, plus your age, and shows how soon to get care.
Sources
Last updated 2026-11-13.