Iliocostalis
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| Iliocostalis | ||
|---|---|---|
| Deep muscles of the back. (Iliocostalis lumborum visible at bottom right, iliocostalis dorsi visible at center right, and iliocost. cerv. visible at upper right.) | ||
| Latin | musculus iliocostalis | |
| Gray's | subject #115 399 | |
| Origin: | ||
| Insertion: | ||
| Artery: | lateral sacral artery | |
| Nerve: | posterior branch of spinal nerve | |
| Action: | ||
| Antagonist: | Rectus abdominis muscle | |
| Dorlands/Elsevier | m_22/12549288 | |
The iliocostalis is the muscle immediately lateral to the longissimus that is the nearest to the furrow that separates the epaxial muscles from the hypaxial. It lies very deep to the fleshy portion of the serratus ventralis (serratus anterior).
Iliocostalis lumborum
The Iliocostalis lumborum ('Iliocostalis muscle'; Sacrolumbalis muscle) is inserted, by six or seven flattened tendons, into the inferior borders of the angles of the lower six or seven ribs.
Iliocostalis dorsi
The Iliocostalis dorsi (Musculus accessorius; Iliocostalis thoracis) arises by flattened tendons from the upper borders of the angles of the lower six ribs medial to the tendons of insertion of the Iliocostalis lumborum; these become muscular, and are inserted into the upper borders of the angles of the upper six ribs and into the back of the transverse process of the seventh cervical vertebra.
Iliocostalis cervicis
The 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.
See also
External links
- SUNY Figs 01:06-06 - "Intrinsic muscles of the back."
- LUC ili
- iliocostalis+%28muscle%29 at eMedicine Dictionary
- Dissection at ithaca.edu
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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.de:Musculus iliocostalis ja:腸肋筋 sv:Iliocostalis
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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
