What causes slight indentation in skin on rump above the tail Whippet dog?

There are a few possible causes for slight indentation in the skin on the rump above the tail in a Whippet dog. some of these include:

1. Tailbone injury: A traumatic injury to the tailbone, such as a fracture or dislocation, can cause the skin above the tail to become indented.

2. Degenerative joint disease: As a dog ages, the cartilage in the joints can start to wear down, leading to pain and inflammation. This can also cause the skin above the tail to become indented.

3. Spinal problems: Some spinal conditions, such as a herniated intervertebral disc or spinal stenosis, can put pressure on the nerves that supply the tail, leading to pain and skin indentations.

4. Muscle abnormalities: certain muscle abnormalities, such as atrophy or weakness, can also cause the skin above the tail to become indented.

5. Skin conditions: some skin conditions, such as infections or dermatitis, can cause the skin to become thickened and indented.

If you notice a slight indentation in the skin on your Whippet's rump above the tail, it is important to take them to a veterinarian for diagnosis and treatment.