Signs & symptoms
- New onset hip/ groin or diffuse knee pain
- Limping
- Deformity- shortened and external rotation of hip
- Decreased range of motion of hip
- Unable to stand on one leg
Risk factors
- Age 11-17 years old
- Boys > girls
- Obesity
- Family history
- Atraumatic/ minor injury
- Endocrine/ metabolic disorder/ inflammatory condition.