Rectus abdominis muscle
The rectus abdominis muscle is a muscle in the human body. It is commonly referred to as "Abs". It is a paired muscle that runs vertically from the lower chest to the pubic region people usually try to put stress to make it look as if they have huge abs and they help us run.
Rectus Abdominis Muscle Media
Gymnast Nazlı Savranbaşı, who has a visible rectus abdominis