Luxation of patella

1. Straight hind limb

2. Causes

2.1. Over streching

2.2. Higher uneven hoof

2.3. Secondary to CNS disease

2.4. Hormonal disturbance

3. Signs

3.1. Locked hind limb

3.2. Limb extended caudally

3.3. Difficult backing

3.4. Loss muscle tone

3.5. Foot draging

4. Injection of corticosteroids

5. Definition

5.1. Pathological condition of stifle joint in which medial patellar ligament become over trochlear ridge

6. Treatment

6.1. Medial patellar ligament splitting

6.2. Medial patellar desmotomy