The musculus obliquus externus abdominis is a mouthful to say and can be difficult to remember. Fortunately, there are a few synonyms for this muscle that are easier to pronounce and remember. One alternative name for this muscle is the external oblique muscle. This is a more concise and straightforward name for the same muscle. Other synonyms for the musculus obliquus externus abdominis include the external abdominal oblique muscle and the oblique externus abdominis muscle. Regardless of which name is used, this muscle plays an important role in supporting the core and enabling movement in the abdominal region.