The Abdominal Muscles
The abdominals are the stomach muscles on the front side of your upper body. The word abdomen is latin and means "belly". The rectus abdominis is the paired muscle in the middle of your stomach. When bodybuilders refer to the "Abs", they usually mean all the muscles on the front side of the upper body (including the obliques). This article is about the following abdominal muscles: Rectus Abdominis, External Obliques and Anterior Serratus. Find exercises and information about other muscle groups at weight training main.