👉 The term "interproximal" refers to a joint in which two bones meet at their joint. These bones are usually located on the side of the body where they come together, such as the shoulder and elbow. Interproximal joints can occur in both humans and animals, but they are most commonly found in mammals like dogs and cats. The term is often used to describe a joint that is more or less involved by other bones and muscles, which allows for movement between the two sides of the