Lumbar Spine Muscles Transversus Abdominis medical education videos

Lumbar Spine Muscles Transversus Abdominis medical education videos. Shows the location and action of transversus abdominis.
DESCRIPTION
Transversus abdominis is the innermost of the flat abdominal wall muscles.
ORIGIN
Transversus abdominis originates from lateral third of inguinal ligament, the anterior two-thirds of the inner lip of the ventral segment of the iliac crest, the thoracolumbar fascia between the iliac crest and the twelfth rib, and the internal aspects. Lumbar Muscles Transversus Abdominis medical education videos.
INSERTION
Transversus abdominis inserts into an aponeurosis. The lower fibres curve downwards and medially with the aponeurosis of the obliquus internus abdominis to the crest and pecten of the pubis, to form the falx inguinalis. The main fibres pass medially and blend with the linea alba.
VARIATIONS
Transversus abdominis is sometimes absent, or fused with the obliquus internus abdominis.
Lumbar Spine Muscles Transversus Abdominis medical education videos