external oblique muscle vs abdominal external oblique muscle

external oblique muscle and abdominal external oblique muscle both are nouns.

Word	Noun	Adjective	Verb	Adverb
external oblique muscle	Yes	No	No	No
abdominal external oblique muscle	Yes	No	No	No

As nouns, external oblique muscle and abdominal external oblique muscle are synonyms defined as:

external oblique muscle and abdominal external oblique muscle: a diagonally arranged abdominal muscle on either side of the torso

Other synonyms of external oblique muscle include musculus obliquus externus abdominis, oblique.

external oblique muscle (noun)	abdominal external oblique muscle (noun)
a diagonally arranged abdominal muscle on either side of the torso	a diagonally arranged abdominal muscle on either side of the torso