These patients are usually middle aged or older and upon questioning the owners will likely describe that the patient had a long term history of intermittent lameness and skipping gait. (thek9pt.com)
Shih Tzus, Toy Poodles, and Yorkshire Terriers may have luxating patellas (knee caps) that cause intermittent lameness. (soonervet.net)
Clinical signs include intermittent lameness of one or both front legs and pain on manipulation of the elbow. (vrc-nova.com)