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.

Running also works core muscles like the obliques and rectus abdominis. To prevent muscle injury, it's important to strengthen and stretch them. ... while keeping the left leg bent on the ground.

Rectus Abdominis: The most well-known abs muscle, the rectus abdominis sits vertically in the center of your abdomen and plays a role in flexion of the spine (similar to a crunch exercise), Parten ...

These transverse abdominis exercises will help you build balanced core strength by working the deepest muscle in your core. Skip to main content Open Navigation Menu ...

But the transverse abdominis (TA) is often left out of training. If you’ve ever seen a low back brace when someone is lifting at the gym, you should have an idea of the purpose of this muscle.

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.

Though just one muscle – the rectus abdominis – runs down your abdomen, most abs movements primarily activate the ‘upper’ section, making your otherwise impressive rig a little top-heavy ...

The rectus abdominis consists of two bands of muscle that run down from around the sternum. They have bands of connective tissue between them, which give the abs their distinctive six or eight ...