The fibers of this muscle run horizontally, just like a back support belt might be worn.
Origin
The transversus abdominis muscle originates in several places.
It attaches to the inside surface of your lower six ribs (on the cartilage).
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In back, it connects to thethoracolumbar fascia.
It may also assist with exhalation by increasing pressure in the abdomen and with trunk rotation.
The linea alba tends to lose its strength during pregnancy.
What Is the Core?
The transversus abdominis muscle is one of many muscles comprising the core.
The core muscles include the abdominal muscles and the muscles in the lower back.
Some people also include the muscles around the hips.
Lee says that these muscles prepare you for movement and that they are thought of as “anticipatory.”
To that end, she takes an awareness approach when working with her patients.
2015;11(3):161-168.
