internal oblique muscle

in·ter·nal ob·lique mus·cle

(in-tĕr'năl ō-blēk' mŭs'ĕl)
Origin, iliac fascia deep to lateral part of inguinal ligament, anterior half of crest of ilium, and lumbar fascia; insertion, tenth to twelfth ribs and sheath of rectus; some of the fibers from inguinal ligament terminate in the conjoint tendon; action, diminishes capacity of abdomen, flexes lumbar vertebral column (bends thorax forward); nerve supply, lower thoracic.
Synonym(s): musculus obliquus internus abdominis [TA] .
References in periodicals archive ?
The 26-year-old ended up ripping the internal oblique muscle off his hip bone, raising initial concerns over his very future in the sport.
(8) Each intercostal nerve runs in anterolateral direction, supplying a muscle branch, a subcostal ramus, and cutaneous rami, 1 lateral for the lateral segment of the thorax (T2-T6), and another 1 cutaneous anterior (between the internal oblique muscle of the abdomen and the transverse muscle) which ends in the posterolateral aspect of the rectus abdominis muscle and expresses the sensitivity of the anterior segment of the abdomen, innervated by the intercostal nerves T6 to T11.
Then, the probe was moved anterolaterally in order to visualize the anterolateral margin of the QL and the aponeurosis of the two abdominal wall muscles (IO: internal oblique muscle; TA: transversus abdominis muscle).
We removed a small number of the skin and then removed the tumor at the 3–5 cm distance, including the attached muscles (serratus anterior and latissimus dorsi), the normal costa around the tumor, a part of the diaphragm, the adhesive lung, a part of the external oblique muscle and of the internal oblique muscle. After the en bloc resection of the chest wall under part tumor, we inspected several organizations around the incisal edge.
Then abdominal muscles (external oblique muscle, internal oblique muscle and transverse abdominis) were incised and bleeding vessels ligated.
The boundaries of the superior triangle are the posterior border of the internal oblique muscle anteriorly, the anterior border of the sacrospinalis posteriorly, the twelfth rib, and the serratus posterior inferior muscle superiorly.
EO: external oblique muscle, IO: internal oblique muscle, TA: transversus abdominis, QL: quadratus lumborum, white arrow: needle trajectory, and white dotted line: spread of local anesthetic.
(10,11) Other sports hernia descriptions have included abnormalities of the rectus abdominis muscle, avulsion of part of the internal oblique muscle fibers from the pubic tubercle, tearing within the internal oblique muscle, or abnormality within the external oblique muscle and aponeurosis.
Graham Onions may not play again this year after tearing his left internal oblique muscle.
Size of the internal oblique muscle is small and its dissection can be difficult and bloody [9].
The training program contains the special exercises of keeping the balanced position of the pelvis and the lumber spine area as the study concentrates on the lower limb of the body which depend on the deep abdomen muscles, such as the Internal Oblique muscle, and the Transverses Abdomens muscle, and the flat abdomen muscles, such as the External oblique muscle, the Rectus Abdomens and the gluteal (K.
The needle was advanced until loss of resistance was noted upon piercing the fascia of the internal oblique muscle. The needle was directed and advanced to the ASIS, and after a negative aspiration test 3 ml of 0.5% levobupivacaine was infiltrated into the internal oblique muscle layers.

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