With instability of the knee, the person feels that they cannot trust the joint, which may give way and not allow confident movement.


Causes of general knee instability

A number of conditions may cause the knee to feel unstable, including -


Causes of patellar instability

A number of conditions may cause just the patella to feel unstable, including -



The unstable patella

A discussion about patellar instability, the factors that may cause the patella to sublux or dislocate, and what can be done about it.

Common Knee Symptoms

A simple outline for beginners to help them understand many of the symptoms a knee patient might experience.

Patellar instability and dislocation

Discussing how the anatomy can affect the tendency to dislocate the patella.

What is complex or multiligament instability?

Multiple damaged ligaments require expert evaluation.