transversus abdominis muscle

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trans·ver·sus ab·dom·i·nis mus·cle

(trans-vĕr'sŭs ab-dom'i-nis mŭs'ĕl)
Origin, seventh to twelfth costal cartilages, lumbar fascia, iliac crest, and inguinal ligament; insertion, xiphoid cartilage and linea alba and, through the conjoint tendon, pubic tubercle, and pecten; action, compresses abdominal contents; nerve supply, lower thoracic.
Synonym(s): musculus transversus abdominis [TA] , transverse muscle of abdomen.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
Subjects in treatment group were treated specific exercises targeting the activation of the transversus abdominus and multifidus.
To date, as far as I am aware, we have little data to guide us on the safe dose range for catheters placed in the transversus abdominus plane.
True core power comes with awareness and co-contractions of several deep, internal muscle groups: the pelvic floor, or low abdominal muscles that provide the base of core support; the transversus abdominus (TVA), or innermost abdominal muscle, which runs like a corset between ribs and pelvis; and the deep spinal extensors (lumbar multifidus), which lace up between vertebrae.
The musculus obliquus externus abdominus, musculus rectus abdominus, musculus transversus abdominus, and the very thin peritoneum were then cut open.
It's the transversus abdominus and multifidi (the deepest layer of abdominal and back muscles, respectively) that carry out this function.
(40) These active structures are made up primarily of muscles located around the lumbar spine, such as the transversus abdominus and multifidus.
The moves work the transversus abdominus muscles, which act as a girdle for your tummy.
It is caused by a tear of the transversus abdominus muscle and differs from the inguinal hernia in that it does not involve a clinically detectable hernia.
Design: Contraction of the transversus abdominus (TrA), pelvic floor muscles (PFM) and both muscle groups together (TrA contraction with PFM contraction added) were performed in random order.
"We now realize that the transversus abdominus muscle has a purpose," he added.
The intent is to get these core muscles--the transversus abdominus and multifidi (the deepest layer of abdominal and back muscles respectively)--working to stabilize and support the spine in order to promote movement, restore function, and reduce pain.
It was then moved laterally over the rectus abdominus muscle and beyond to image initially the transversus abdominus, then the internal oblique, between which the TAP lies.