Orthopaedic examination - stifle

Question 1

What type of joint is the stifle?

Answer 1

complex hinge joint

Question 2

What landmarks of the stifle should be palpated?

Answer 2

The patella, the straight patellar ligament and the tibial tuberosity. Fibular head, lateral condyle, lateral fabella

Question 3

Where can effusion be palpated in the stifle?

Answer 3

lateral and medial to the straight patellar ligament

Question 4

Range of motion of the stifle?

Answer 4

flexion to extention 40 - 160 degrees

Question 5

When is patellar luxation most easy to apprexiate?

Answer 5

Starting in full exttention and then gradually flexing the stifle.

Question 6

How can patellar stability be tested?

Answer 6

With internal and external rotation of the tibia whilst the stifle is flexed, placing digital pressure from lateral or medial on the patella

Question 7

which tests can be performed to control craniocaudal stifle stability?

Answer 7

Cranial drawer test
Tibial thrust test

Question 8

When can false positives occur in cranial drawer test?

Answer 8

Young puppies
some dogs that have mild cranial instability of the tibia relative to the femur