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Iliocostalis muscle has a common origin from the iliac crest, the sacrum, the thoracolumbar fascia, and the spinous processes of the vertebrae from T11 to L5. [1]Iliocostalis cervicis (cervicalis ascendens) arises from the angles of the third, fourth, fifth, and sixth ribs, and is inserted into the posterior tubercles of the transverse processes of the fourth, fifth, and sixth cervical vertebrae.
The iliocostalis originates from the sacrum, erector spinae aponeurosis, and iliac crest. The iliocostalis has three different insertions according to the parts: iliocostalis lumborum has the lumbar part (where its insertion is in the 12th to 7th ribs). iliocostalis thoracis where its insertion runs from the last 6 ribs to the first 6 ribs.
The longissimus thoracis et lumborum is the intermediate and largest of the continuations of the erector spinae.. In the lumbar region (longissimus lumborum), where it is as yet blended with the iliocostalis, some of its fibers are attached to the whole length of the posterior surfaces of the transverse processes and the accessory processes of the lumbar vertebrae, and to the anterior layer of ...
iliocostalis lumborum Torso, Back, right/left sacrum, iliac crest, thoracolumbar fascia, spinous processes: The lower six or seven ribs: lateral sacral artery: posterior branch of spinal nerve: extends/flexes vertebral column: rectus abdominis: 2 1 iliocostalis thoracis Torso, Back, right/left
Origin: Transverse processes of C7 to T11 vertebrae: Insertion: Superior surfaces of the ribs immediately inferior to the preceding vertebrae: Nerve: Dorsal rami C8-T11 (Intercostal nerves) Actions: Assists in elevation of the thoracic rib cage: Identifiers; Latin: musculi levatores costarum: TA98: A04.4.01.009: TA2: 2308: FMA: 71312 ...
To the internal lip, the iliac fascia, the Transversus abdominis, Quadratus lumborum, Sacrospinalis, and Iliacus. Abdominal external oblique muscle; Abdominal internal oblique muscle; Transversus abdominis muscle; Quadratus lumborum muscle; Erector spinae. Iliocostalis pars lumborum; Longissimus pars thoracis [3] Latissimus dorsi; Tensor ...
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The quadratus lumborum muscle originates by aponeurotic fibers into the iliolumbar ligament and the internal lip of the iliac crest for about 5 centimetres (2.0 in). It inserts from the lower border of the last rib for about half its length and by four small tendons from the apices of the transverse processes of the upper four lumbar vertebrae.