What does the name transverse abdominis muscle mean?
Transverse means across. Abdominis comes from the Latin word abdere which means to stow away. From this then you get an idea that the abdominals, in general, function to “stow away” contents (the digestive organs).
Where does the transverse abdominis muscle attach?
The transverse abdominis is not really considered to have a typical origin or insertion because the muscle fibers run horizontally.
It attaches at one end (considered the “origin” by some) at the inguinal ligament, the iliac crest, the thoracolumbar aponeurosis and the internal surface of the costal cartilages 7-12.
It attaches at the other end (considered the “insertion” by some) on the abdominal aponeurosis and the linea alba.
What actions does the transverse abdominis muscle do?
The function of the transverse abdominis is to compress the abdominal contents. It’s the natural girdle we all wear. As is the case with all of the abdominal muscles, stabilization is a key function.
Poses where the transverse abdominis muscle contracts:
Poses where the transverse abdominis muscle is lengthened:
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