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.

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.

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.

"Recti" refers to your ab muscles called the "rectus abdominis." When the ab muscles move aside like this, the uterus, bowels, and other organs have only a thin band of connective tissue in front ...

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.

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 ...

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 ...

What is diastasis recti? Your rectus abdominis consists of two parallel muscle bands on either side of your torso connected by a thin strip of tissue called the linea alba. When this strip of ...

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.