Hyoid bone With the exception of the cervical vertebrae, the hyoid bone is the only bone located in the anterior neck. Unlike other bony structures, the hyoid bone does not directly articulate with other bones. Instead, it is connected to neighbouring bones by muscular and ligamentous attachments. Muscles that insert on the upper surface of the bone are known as suprahyoid muscles, while those attached to the lower surface are infrahyoid muscles. This article will explore the embryology, anatomy