👉 "Dorsal" in anatomy refers to the side of a body where the head is located, often on one side. This position is particularly important for some species of animals due to its specific role in the development and function of the brainstem. In humans, the dorsalis pedis muscle (also known as the internal rotator cuff) is directly involved in the movement of the shoulders, which are the main joints that connect the head with the body. The term "dorsal"