Each side of the body has an external oblique muscle. The external oblique muscle is one of the outermost abdominal muscles, extending from the lower half of the ribs around and down to the pelvis.

The rectus abdominis muscle is located in the front of the body, beginning at the pubic bone and ending at the sternum. It is located inside the abdominal region. The muscle is activated while ...

Using the official MLB disabled list, they identified over 390 abdominal muscle strains; the vast majority of such injuries were to the oblique or intercostal muscles. There was evidence that ...