Cranial Cruciate Disease

Question 1

Will a stifle joint continue to have cranial draw and tibial thrust after a TPLO/TTA?

Answer 1

• No tibial thrust
• Will continue to have tibial draw

Question 2

What is the origin and insertion of the cranial cruciate ligament?

Answer 2

• Origin: medial surface of the lateral femoral condyle
• Insertion: Craniomedial surface of the tibial plateau beneath the inter-meniscal ligament

Question 3

What are the three functions of the cranial cruciate ligament?

Answer 3

• Prevent cranial drawer
• Prevent excessive hyperextension
• Prevent excessive internal rotation

Question 4

What are eight potential clinical signs that could be seen with stifle disease?

Answer 4

1. Sit with knee rotated outward
2. Positive cranial drawer
3. Tibial thrust
4. Pain on extension
5. Medial buttress present
6. Palpable joint effusion
7. Meniscal click - if concurrent meniscal damage
8. Muscle atrophy if chronic