Kneecap subluxation is a brief, incomplete dislocation of the kneecap from its usual site in the groove in the endpoint of the femur. Take note that this furrow is positioned amidst 2 protrusions at the endpoint of the femur.
The injury typically occurs during forceful straightening of the leg where the kneecap is driven out of the groove to the external side of the knee. In most cases, the cause is an abnormal structure in the leg. The interior thigh muscle might be poorly developed, or the external thigh muscle is overdeveloped. In some cases, the kneecap might be slightly elevated in the leg than usual.
Characteristics
If an individual has a kneecap subluxation, there is a feeling that the kneecap moved out of position.
There is also swelling and discomfort behind the kneecap. There is also knee pain or discomfort when flexing or straightening the leg.
Management of knee subluxation
When an individual ends up with a knee subluxation, it can be managed by:
- Applying an ice pack on the site every 3-4 hours at 20 minutes at a time until the discomfort settles.
- Raise the knee on a cushion while lying down or sitting
- Provide the individual with an anti-inflammatory drug.
- A brace prescribed by the doctor must be used to keep the kneecap in place.
In some cases, surgical intervention is needed to prevent the kneecap from being damaged again.
More Information / Disclaimer
The information posted on this page on knee subluxation is for learning purposes only. Learn to recognize the signs by taking a standard first aid course with Saskatoon First Aid.