Patellar Luxation

This is one of the common forms of lameness in Yorkies.  Various degrees of lameness from slight to permanent and from a short period to days may occur.  Lameness that returns need veterinary attention. The patella (kneecap) slips in and out of the patella groove when it is too shallow or if the quadriceps muscle exerts too much rotational pull and occasionally rides over the ridge of the trochlear groove when the knee moves. The owner sees a poor Yorkie with a straight leg that hops a few steps - yelps sometimes or can not put weight on the leg.

There is from grade 1-4 luxations. It can occur in 1 or both back legs from 4-6 months old or several years later.  Early treatment is important before the trochlear groove wears out and arthritic changes set in.

Keep your Yorkie trim, give moderate exercise (walking uphill) and glucosamine supplements.

Grade 3 and 4 will need an orthopedic veterinary surgeon to perform specialized surgery.

There is strong inheritance, thus a responsible breeder should not breed from these Yorkies.

Article written by : Dr. Irma Bailey


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