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<div>[[Special:MyLanguage/Übungsaufgaben: Rumpf|Trunk]]</div>
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==General information==
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The lateral oblique abdominal wall muscles are composed of the muscles ''M. obliquus externus abdominis'', ''M. obliquus internus abdominis'' and ''M. transversus abdominis''.
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<div class="floatright" style="margin:0.4em;">[[File:PfeilDropdown.png|20px|link=|Neighbouring structures]]</div>
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<div>[[Special:MyLanguage/Vordere und hintere Bauchwandmuskeln|Front, rear abdominal muscles]]</div>
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The most important functions of the abdominal wall muscles are the movement of the trunk, the stabilization of the spine and the tension of the abdominal wall. They belong to the expiratory auxiliary respiratory muscles. By increasing the intraabdominal pressure, they enable the so-called abdominal press.
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<div>[[Special:MyLanguage/Bauchwandmuskulatur|Abdominal wall muscles]]</div>
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==General==
  
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The lateral oblique abdominal wall muscles are composed of the muscles m. obliquus externus abdominis, m. obliquus internus abdominis and m. transversus abdominis.
  
''A schematic drawing of the muscles (M. obliquus externus abdominis, M. obliquus internus abdominis and M. transversus abdominis) can be displayed by clicking on the respective name in the "WebViewer".''
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The most important functions of the abdominal wall muscles are the movement of the trunk, the stabilization of the spine and the tension of the abdominal wall. They belong to the expiratory auxiliary respiratory muscles. By increasing the intraabdominal pressure, they enable the so-called abdominal press.
  
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''A schematic drawing of the muscles (m. obliquus externus abdominis, m. obliquus internus abdominis and m. transversus abdominis) can be displayed by clicking on the respective name in the "WebViewer".''
<segmenter border="1">https://dornheim.cloud/index.php/apps/segmenter/embedding/view?identifier=dVJAHzBAmFyK</segmenter>
 
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<td><b>origin</b></td>
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<td><b>Origin</b></td>
 
<td>Outside surface of the 5th-12th rib </td>
 
<td>Outside surface of the 5th-12th rib </td>
<td><ul><li>deep leaf of <i>Fascia thoracolumbalis</i></li><li><i>Linea intermedia</i> of <i>Crista iliaca</i></li><li><i>Spina iliaca anterior superior</i></li><li>lateral half of <i>ligament inguinale</i></li></ul></td>
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<td><ul><li>deep leaf of fascia thoracolumbalis</li><li>Linea intermedia of crista iliaca</li><li>Spina iliaca anterior superior</li><li>lateral half of ligament inguinale</li></ul></td>
<td><ul><li>Internal surfaces of the 7th-10th rib cartilage and the 11th and 12th rib</li><li>deep leaf of <i>Fascia thoracolumbalis</i></li><li>i>Labium internum</i> of <i>Crista iliaca</i>, <i>Spina iliaca anterior superior</i></li><li>lateral part of <i>Ligamentum inguinale</i></li></ul></td>
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<td><ul><li>Internal surfaces of the 7th-10th rib cartilage and the 11th and 12th rib</li><li>deep leaf of fascia thoracolumbalis</li><li>labium internum of crista iliaca, spina iliaca anterior superior</li><li>lateral part of ligamentum inguinale</li></ul></td>
 
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<td><b>insertion</b></td>
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<td><b>Insertion</b></td>
<td><ul><li><i>Labium externum</i> of <i>Crista lilica</i></li><li><i>Ligamentum inguinale</i></li><li><i>Tuberculum pubicum</i></li><li>front leaf of rectus sheath</li><li><i>Linea alba</i></li></ul></li></td>
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<td><ul><li>Labium externum of crista lilica</li><li>Ligamentum inguinale</li><li>Tuberculum pubicum</li><li>Front leaf of rectus sheath</li><li>Linea alba</li></ul></td>
<td><ul><li>bottom margins of the 10th-12th rib</li><li>front and back leaf of the rectus sheath</li><li><i>line alba</i></li></ul></td>
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<td><ul><li>Bottom margins of the 10th-12th rib</li><li>Front and back leaf of the rectus sheath</li><li>line alba</li></ul></td>
<td><ul><li>back leaf of rectus sheath</li><li><i>Linea alba</i></li></ul></td>
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<td><ul><li>Back leaf of rectus sheath</li><li>Linea alba</li></ul></td>
 
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<td><b>function</b></td>
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<td><b>Function</b></td>
<td><ul><li><b>one-sided:</b> Lateral flexion of the trunk to the ipsilateral side, rotation of the trunk to the contralateral side</li><li><b> two-sided:</b> Ventral flexion of the trunk, alignment of the pelvis, abdominal press and expiration</li></ul></td>
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<td><ul><li><b>one-sided:</b>Lateral flexion of the trunk to the ipsilateral side, rotation of the trunk to the contralateral side</li><li><b>two-sided:</b> Ventral flexion of the trunk, alignment of the pelvis, abdominal press and expiration</li></ul></td>
<td><ul><li><b>one-sided:</b> Lateral flexion of the trunk to the ipsilateral side, rotation of the trunk to the ipsilateral side</li><li><b> two-sided:</b> Ventral flexion of the trunk, alignment of the pelvis, abdominal press and expiration</li></ul></td>
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<td><ul><li><b>one-sided:</b>Lateral flexion of the trunk to the ipsilateral side, rotation of the trunk to the ipsilateral side</li><li><b>two-sided:</b>Ventral flexion of the trunk, alignment of the pelvis, abdominal press and expiration</li></ul></td>
<td><ul><li><b>one-sided:</b> lateral flexion of the trunk to the ipsilateral side</li><li><b> two-sided:</b> abdominal press and expiration</li></ul></td>
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<td><ul><li><b>one-sided:</b>lateral flexion of the trunk to the ipsilateral side</li><li><b>two-sided:</b>abdominal press and expiration</li></ul></td>
 
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<td><b>innervation</b></td>
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<td><b>Innervation</b></td>
<td><i>Nervi intercostales </i>(Th5-12)</td>
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<td>Nervi intercostales (Th5-12)</td>
<td><ul><li><i>Nervi intercostales</i> (Th8-12) </li>li><i>Nn. iliohypogastricus</i> and <i>ilioinguinalis</i> </li><li><i>M. cremaster</i> (<i>R. genitalis</i> of <i>N. genitofemoralis</i>)</li></ul></td>
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<td><ul><li>Nervi intercostales (Th8-12) </li><li>Nn. iliohypogastricus and ilioinguinalis </li><li>M. cremaster (r. genitalis of N. genitofemoralis)</li></ul></td>
<td><ul><li><i>Nervi intercostales</i> (Th5-12) </li>li><i>Nn. iliohypogastricus</i> and <i>ilioinguinalis</i></li></ul></td>
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<td><ul><li>Nervi intercostales (Th5-12) </li><li>Nn. iliohypogastricus and ilioinguinalis</li></ul></td>
 
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==Free exploration==
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<div style="float:left;margin-right:1em;"><segmenter-embedding wsemb_id="Bauchmuskulatur1" file="Bauchmuskulatur1.seg" height="300" width="400"/></div>
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<div style="float:left;width:50%">Look at the position of the lateral oblique abdominal wall muscles in 3D and explore them freely. Afterwards, you can check your learned knowledge through the exercise tasks.</div>
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''weiterführende Links''
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'''[[Special:MyLanguage/Übungsaufgaben|Übungsaufgaben]]'''
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<li class="mw-ui-button button_normal">[[Special:MyLanguage/Rückenmuskulatur - lateraler Trakt|Back muscles - lateral tract]]</li>
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[[Special:MyLanguage/Rumpfwand|zurück zur Rumpfwand]]
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[[Category:Musculature]]
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[[Category:Trunk]]
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[[Category:Body regions]]
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Aktuelle Version vom 3. Februar 2021, 12:58 Uhr

Inhaltsverzeichnis


General

The lateral oblique abdominal wall muscles are composed of the muscles m. obliquus externus abdominis, m. obliquus internus abdominis and m. transversus abdominis.

The most important functions of the abdominal wall muscles are the movement of the trunk, the stabilization of the spine and the tension of the abdominal wall. They belong to the expiratory auxiliary respiratory muscles. By increasing the intraabdominal pressure, they enable the so-called abdominal press.

A schematic drawing of the muscles (m. obliquus externus abdominis, m. obliquus internus abdominis and m. transversus abdominis) can be displayed by clicking on the respective name in the "WebViewer".

M. obliquus externus abdominis M. obliquus internus abdominis M. transversus abdominis
Origin Outside surface of the 5th-12th rib
  • deep leaf of fascia thoracolumbalis
  • Linea intermedia of crista iliaca
  • Spina iliaca anterior superior
  • lateral half of ligament inguinale
  • Internal surfaces of the 7th-10th rib cartilage and the 11th and 12th rib
  • deep leaf of fascia thoracolumbalis
  • labium internum of crista iliaca, spina iliaca anterior superior
  • lateral part of ligamentum inguinale
Insertion
  • Labium externum of crista lilica
  • Ligamentum inguinale
  • Tuberculum pubicum
  • Front leaf of rectus sheath
  • Linea alba
  • Bottom margins of the 10th-12th rib
  • Front and back leaf of the rectus sheath
  • line alba
  • Back leaf of rectus sheath
  • Linea alba
Function
  • one-sided:Lateral flexion of the trunk to the ipsilateral side, rotation of the trunk to the contralateral side
  • two-sided: Ventral flexion of the trunk, alignment of the pelvis, abdominal press and expiration
  • one-sided:Lateral flexion of the trunk to the ipsilateral side, rotation of the trunk to the ipsilateral side
  • two-sided:Ventral flexion of the trunk, alignment of the pelvis, abdominal press and expiration
  • one-sided:lateral flexion of the trunk to the ipsilateral side
  • two-sided:abdominal press and expiration
Innervation Nervi intercostales (Th5-12)
  • Nervi intercostales (Th8-12)
  • Nn. iliohypogastricus and ilioinguinalis
  • M. cremaster (r. genitalis of N. genitofemoralis)
  • Nervi intercostales (Th5-12)
  • Nn. iliohypogastricus and ilioinguinalis

Free exploration

Look at the position of the lateral oblique abdominal wall muscles in 3D and explore them freely. Afterwards, you can check your learned knowledge through the exercise tasks.


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