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  2. Transverse abdominal muscle - Wikipedia

    en.wikipedia.org/wiki/Transverse_abdominal_muscle

    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.

  3. Transversalis fascia - Wikipedia

    en.wikipedia.org/wiki/Transversalis_fascia

    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]

  4. Rectus sheath - Wikipedia

    en.wikipedia.org/wiki/Rectus_sheath

    A posterior rectus sheath composed of the posterior portion of the aponeurosis of the internal oblique muscle and the aponeurosis of the transversus abdominis passes behind the rectus abdominis muscle. [2] [3] All aponeuroses of the rectus sheath unite at (and and decussate across) the midline, forming the linea alba. [3] Below the arcuate line

  5. Arcuate line of rectus sheath - Wikipedia

    en.wikipedia.org/wiki/Arcuate_line_of_rectus_sheath

    The posterior layer is made up of the posterior lamina of the internal oblique aponeurosis and the transversus abdominis aponeurosis. [1] Inferior to the arcuate line, the aponeuroses of the external oblique muscle, the internal oblique muscle, and the transversus abdominis muscle merge and pass superficial to the rectus abdominis muscle. [4]

  6. Linea semilunaris - Wikipedia

    en.wikipedia.org/wiki/Linea_semilunaris

    The linea semilunaris (also semilunar line or Spigelian line) is described by Adriaan van den Spiegel (°1578 †1625) described the Linea Semilunaris as the line forming and marking the transition from muscle to aponeurosis in the transversus abdominis muscle of the abdomen. It needs to be distinguished from the lateral border of the rectus ...

  7. Abdominal wall - Wikipedia

    en.wikipedia.org/wiki/Abdominal_wall

    In anatomy, the abdominal wall represents the boundaries of the abdominal cavity.The abdominal wall is split into the anterolateral and posterior walls. [1]There is a common set of layers covering and forming all the walls: the deepest being the visceral peritoneum, which covers many of the abdominal organs (most of the large and small intestines, for example), and the parietal peritoneum ...

  8. Abdominal muscles - Wikipedia

    en.wikipedia.org/wiki/Abdominal_muscles

    The linea alba is a white, fibrous band that is made of the bilateral rectus sheaths that join at the anterior midline of the body. These enclose the rectus abdominis muscles (a pair of long, linear muscles, commonly called the “sit-up” muscles) that originate at the pubic crest and pubic symphysis, and extend the length of the body’s trunk.

  9. List of skeletal muscles of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_skeletal_muscles...

    transversus abdominis: Torso, Abdomen, right/left internal surface of costal cartilage of ribs 7–12, thoracolumbar fascia, anterior two-thirds of iliac crest, iliopectineal arch: linea alba, aponeurosis of internal oblique muscle, pubic crest