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Question #78558 posted on 08/04/2014 11:30 a.m.
Q:

Dear 100 Hour Board,

I have a small, 3-year old Bichon Poo, a mix between a Bichon and a Poodle. In my youth I had a full-blooded Poodle. They are about the same size and look remarkably similar.

Here's my question. This morning, as I was walking toward the back door to let her out to do her business, I noticed that while using her front legs normally, she hops a lot on right hind leg, not always using the left. I remembered my other dog doing the same thing and then wondered if it's just my dogs, all dogs, or just Poodles that do this...and why.

Can you help?

Thank you!!

-Hop-Along Harry

A:

Dear Harry, 

Given the breed of your dogs and the type of hop, it's probably a luxating patella, which is an unstable kneecap that can cause stiffness or weakness in the leg. This fact sheet sums up the condition pretty well. 

-Concorde