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It acts with the external oblique muscle of the opposite side to achieve this torsional movement of the trunk. For example, the right internal oblique and the left external oblique contract as the torso flexes and rotates to bring the left shoulder towards the right hip. For this reason, the internal obliques are referred to as "same-side ...
It is performed by injecting local anesthetic (commonly Ropivacaine or Bupivacaine) under ultrasound guidance between the plane of the internal oblique muscles and the transversalis muscles. The intercostal, subcostal, hypogastric, and ilioinguinal nerves are blocked. Duration of the block depends on the volume and concentration of the local ...
Abdominal muscles cover the anterior and lateral abdominal region and meet at the anterior midline. These muscles of the anterolateral abdominal wall can be divided into four groups: the external obliques , the internal obliques , the transversus abdominis , and the rectus abdominis .
The rectus sheath (also called the rectus fascia [1]) is a tough fibrous compartment formed by the aponeuroses of the transverse abdominal muscle, and the internal and external oblique muscles. It contains the rectus abdominis and pyramidalis muscles, as well as vessels and nerves.
The transverse abdominal muscle (TVA), also known as the transverse abdominis, transversalis muscle and transversus abdominis muscle, is a muscle layer of the anterior and lateral (front and side) abdominal wall, deep to (layered below) the internal oblique muscle. It is thought by most fitness instructors to be a significant component of the core.
flexes trunk to same side, rotates trunk to opposite side, expiration, compresses abdominal organs: 2 1 internal abdominal oblique: Torso, Abdomen, right/left anterior two-thirds of iliac crest, iliopectineal arch, thoracolumbar fascia: inferior borders of ribs 10–12, pubic crest
[5] [6] The anterior abdominal wall is made up of four muscles—the rectus abdominis muscle, the internal and external obliques, and the transversus abdominis."The two internal muscles, the internal oblique, and the transverse abdominis, respond more to increases in chemical or volume-related drive than the two external muscles, the rectus ...
The transversalis fascia (or transverse fascia) is the fascial lining of the anterolateral abdominal wall [1] [2] situated between the inner surface of the transverse abdominal muscle, and the preperitoneal fascia. [3] [2] It is directly continuous with the iliac fascia, [2] the internal spermatic fascia, [citation needed] and pelvic fascia. [2]