What does it mean to have washboard abs? Generally speaking, when people talk about washboard abs, they're referring to being able to see the individual bumps of their rectus abdominis muscle. This abdominal muscle resembles an old-fashioned laundry washboard.

What is considered as having abs?

“Abs” refers to the rectus abdominis, which is a segmented muscle located on the front of your abdomen between your lower ribs and pelvis. It's what comprises a six-pack. Your core, meanwhile, includes your abs and every other muscle between your hips and your trapezius (excluding your chest and upper back).

What is considered a 6 pack?

A person with a six-pack has three bands. A person with a four-pack has two bands. Many people's rectus abdominis has three intersections. This means that if most people worked at it, they could achieve a six-pack.