Rectus abdominis 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 rectus abdominis muscle is what you think of as your six-pack, which you engage when you flex your lumbar spine. Here's how you should train it.

While most people are familiar with their rectus abdominis — also known as the “six pack” abs — many forget about or are unaware of a deeper abdominal muscle called the transversus abdominis.

Interesting facts about abdominal muscles: When people think of "six-pack abs," this only refers to the rectus abdominis which contracts to form those coveted bumps and ridges on the abdomen.

Do 6-Pack Abs Even Mean You’re Fit? Sure, a six-pack looks nice. But it’s not the be-all and end-all in terms of being fit. “The rectus abdominis is just one of four abdominal muscles and ...

DIASTASIS recti is an abnormal separation of the rectus abdominis muscles (the muscles responsible for a ‘six-pack’) and is a common complaint of women after pregnancy.

Back in November, pro middle-distance runner Alysia Montaño underwent surgery to treat her diastasis recti—a partial or complete separation of the rectus abdominis (a.k.a. abdominal muscles ...

Located directly behind your rectus abdominis (i.e., “abs”), the transversus abdominis wraps horizontally around your lower abdomen like a girdle or weight belt, hugging your internal organs ...

That said, you can improve the ab separation by focusing on strengthening your entire core, especially the rectus abdominis and the transverse abdominis — the deep ab muscle, Darmanin said.