Instability

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 -

 

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Related Content

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.

Case study of high tibial osteotomy aiding ligament instability

Part 2d of a course by Mr (Dr) Adrian Wilson on realignment osteotomy for knee pain.

Patellar instability and dislocation

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

Ongoing symptoms of a torn cruciate ligament

Assessing your symptoms after the first week.

What is complex or multiligament instability?

Multiple damaged ligaments require expert evaluation.

Braces for knee instability

An overview of brace design.

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FORUM DISCUSSIONS

Instability + chronic ACL tear, treatment options?

What is grade 2 instability?

Proximal Tibiofibular Joint Instability?

CLINICAL PUBLICATIONS

Altered Tibiofemoral Joint Contact Mechanics and Kinematics in Patients with Knee Osteoarthritis and Episodic Complaints of Joint Instability. Farrokhi S, Voycheck CA, Klatt BA, Gustafson JA, Tashman S and Fitzgerald GK. Clin Biomech (Bristol, Avon). 2014 Jun; 29(6): 629–635.

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