Clinical Signs and History Owner Complaint: Lame in Right Rear Leg History: Fell one year ago Weight bearing lameness on right rear leg Returned to normal w/n one month 6 months ago Mild rear leg lameness Antiinflammatory injection Ð drug or dose not known Not progressing Heartworm Program Regular vaccinations Dewormed 2 months ago Allergies Ð Benedryl ( per os) Ð last given 1 week ago Indoor dog w/ supervised outdoor exercise One small canned dinner per day.