Limber tail syndrome, also known as acute caudal myopathy, is a condition that affects the muscles in a dogs tail, typically seen in working or sporting dogs such as English Pointers, English Setters, Foxhounds, Beagles, and Labrador Retrievers. It is often associated with overuse, particularly after activities such as swimming, hunting, or vigorous play, and is more common in certain breeds due to their lifestyles. The condition can cause the tail to become painful, flaccid, or held horizontally for a short distance before dropping vertically. Other signs may include discomfort, lethargy, whining, or licking or chewing at the tail. Limber tail is usually diagnosed based on the dogs symptoms and recent high activity, in addition to a careful evaluation of the tail by a veterinarian, and other conditions such as trauma to the tail, tail fracture, or lower back problems need to be ruled out. Treatment for limber tail involves plenty of rest to allow the tail to rejuvenate from overwork. It is important to consult a veterinarian for a proper diagnosis and treatment plan, as limber tail can be painful for the dog and may require medical attention.