Linea alba means "white line" in Latin.
The linea alba is a strip of tough connective tissue on the body's midline from pelvis to chest at the front of the abdomen.
Attaching to the pubic symphysis of the pelvis and xiphoid process of the sternum (breastbone).
The navel (belly button) lies on the linea alba.
The pubic symphysis, navel and xiphoid process are 3 of our midline markers.
Part of our midline anatomy, the linea alba is our primary anatomical guide for body alignment and balance.
The linea alba is closely associated with our Base-Line muscles. Working from Base-Line allows the position of the linea alba to be felt so we can judge our own state of body alignment and balance.
The linea alba should be fully extendable and free to flex and rotate in all directions.
As the lateral abdominal muscles wrap around the towards the anterior (front) of the abdomen they turn into sheets of tough connective tissue known as aponeuroses. The linea alba is created by these aponeuroses as they merge midline at the front of the abdomen.
Before these aponeuroses meet midline they form a sheath (a tunnel between the layers) on either side. Within these sheaths lie the rectus abdominis muscles (like ribbons in a tunnel).
The rectus abdominis muscles are the closest muscles to the linea alba, running either side of the linea alba from pelvis to chest. Focusing on activating the rectus abdominis muscles gives us the ability to sense the relative positioning of the linea alba.