Your Rancho Coastal Humane Society Medical Manager Justin Pool says, «We've all heard the term trick knee. (rchumanesociety.org)
Strenuous exercise may also contribute to the development of trick knees. (wagbrag.com)
Yorkies also have some joint problems, like trick knees (luxating patellas) and Legg - Calves - Perthes disease (poor circulation to the head of the femur), eye problems (like cataracts, eyelash diseases, and retinal dysplasia), weakness and collapse of the trachea, a liver disease called portosystemic shunt, and several other problems. (pethelpful.com)