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Die Lendenwirbelsäule befindet sich zwischen der [[Special:MyLanguage/Brustwirbelsäule|Brustwirbelsäule]] und dem [[Special:MyLanguage/Kreuz- und Steißbein|Kreuzbein]]. Sie besteht in der Regel aus fünf [[Special:MyLanguage/Aufbau Wirbel|Wirbeln]]. Sie weist bei seitlicher Betrachtung eine natürliche Lordose auf und wird beim aufrechten Gang stark belastet.
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The lumbar spine is located between the [[Special:MyLanguage/Brustwirbelsäule|thracic spine]] and the [[Special:MyLanguage/Kreuz- und Steißbein|sacrum and coccyx]]. It usually consists of five [[Special:MyLanguage/Aufbau Wirbel| vertebrae]]. It has a natural lordosis when viewed from the side and is heavily loaded when walking upright.
  
 
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<div class="floatright" style="margin:0.4em;">[[File:PfeilDropdown.png|20px|link=|Exercises]]</div>
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<div>[[Special:MyLanguage/Übungsaufgaben: Rumpf|Rumpf]]</div>
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<div>[[Special:MyLanguage/Übungsaufgaben: Rumpf|Trunk]]</div>
<div>[[Special:MyLanguage/Übungsaufgabe: Wirbelsäule ventral|Wirbelsäule]]</div>
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<div>[[Special:MyLanguage/Übungsaufgabe: Wirbelsäule ventral|Spine]]</div>
<div>[[Special:MyLanguage/Übungsaufgabe: Lendenwirbelsäule|Lendenwirbelsäule]]</div>
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<div>[[Special:MyLanguage/Übungsaufgabe: Lendenwirbelsäule|Lumbar spine]]</div>
<div>[[Special:MyLanguage/Übungsaufgabe: Leber kaudal|Leber kaudal]]</div>
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<div>[[Special:MyLanguage/Übungsaufgabe: Leber kaudal|Liver caudal]]</div>
 
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<div class="segmenter"><segmenter-embedding wsemb_id="LendenwirbelsaeuleMann" src="segmenter:p24gOSMwniFr" width="500px" height="300px" style="float:left;width:320px"/></div>
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<div class="segmenter"><segmenter-embedding public wsemb-id="LendenwirbelsaeuleMann" file="LendenwirbelsäuleMann.seg" width="500px" height="300px" style="float:left;width:320px"/></div>
 
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<div class="floatright" style="margin:0.4em;">[[File:PfeilDropdown.png|20px|link=|Neighbouring structures]]</div>
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<div class="dropbtnart">Neighbouring structures</div>
 
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<div>[[Special:MyLanguage/Brustwirbelsäule|thoracic spine]]</div>
<div>[[Special:MyLanguage/Kreuz- und Steißbein|KREUZ- UND STEISSBEIN]]</div>
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<div>[[Special:MyLanguage/Kreuz- und Steißbein|sacrum and coccyx]]</div>
 
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<div class="floatright" style="margin:0.4em;">[[File:PfeilDropdown.png|20px|link=|Body regions]]</div>
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<div class="dropbtnart">[[Special:MyLanguage/Körperregionen|Body regions]]</div>
 
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<div>[[Special:MyLanguage/Wirbelsäule|Spine]]</div>
<div>[[Special:MyLanguage/Knochen Rumpf|KNOCHEN RUMPF]]</div>
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<div>[[Special:MyLanguage/Knochen Rumpf|Bones trunk]]</div>
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The lumbar spine is located between the [[Special:MyLanguage/Brustbein|breastbone]] and the [[Special:MyLanguage/Kreuz- und Steißbein|Sacrum and tailbone]]. It usually consists of five [[Special:MyLanguage/Aufbau Wirbel|Structure of a vertebrae]]. It has a natural lordosis when viewed from the side and is heavily loaded when walking upright.
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<div class="dropbtnart">[[Special:MyLanguage/Organsystem|Organ system]]</div>
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<div>[[Special:MyLanguage/Unregelmäßige Knochen|Irregular Bones]]</div>
 
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<div>[[Special:MyLanguage/Passiver Bewegungsapparat|Passive movement apparatus]]</div>
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<div>[[Special:MyLanguage/Bewegungsapparat|Movement apparatus]]</div>
<div class="segmenter"><segmenter-embedding wsemb_id="LendenwirbelsaeuleMann" src="segmenter:p24gOSMwniFr" width="500px" height="300px" style="float:left;width:320px"/></div>
 
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<ul>'''Following structures:'''<li class="mw-ui-button button_new">[[Special:MyLanguage/Brustwirbelsäule|Thoracic spine]]</li><li class="mw-ui-button button_new">[[Special:MyLanguage/Kreuz- und Steißbein|Sacrum and tailbone]]</li></ul>
 
 
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<ul>'''Superordinate structures:'''<li class="mw-ui-button button_new">[[Special:MyLanguage/Wirbelsäule|WIRBELSÄULE]]</li><li class="mw-ui-button button_new">[[Special:MyLanguage/Knochen Rumpf|KNOCHEN RUMPF]]</li><li class="mw-ui-button button_new">[[Special:MyLanguage/Rumpf|RUMPF]]</li><li class="mw-ui-button button_new">[[Special:MyLanguage/Körperregionen|Body regions]]</li></ul>
 
 
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View and anatomy of the lumbar spine</div>
 
View and anatomy of the lumbar spine</div>
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<lightbox-embedding src="file:LW2_2.png" group="image-group-1" caption="Anatomy of the second lumbar vertebra (links lateral)"/><lightbox-embedding src="file:LW2_3.png" group="image-group-1" caption="Anatomy of the second lumbar vertebra (kranial)"/><lightbox-embedding src="file:LW5_1.png" group="image-group-1" caption="Anatomy of the fifth lumbar vertebra (ventral)"/><lightbox-embedding src="file:LW5_2.png" group="image-group-1" caption="Anatomy of the fifth lumbar vertebra (links lateral)"/>
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<lightbox-embedding src="file:LW2_2.png" group="image-group-1" caption="Anatomy of the second lumbar vertebra (links lateral)"/><lightbox-embedding src="file:LW2_3.png" group="image-group-1" caption="Anatomy of the second lumbar vertebra (cranial)"/><lightbox-embedding src="file:LW5_1.png" group="image-group-1" caption="Anatomy of the fifth lumbar vertebra (ventral)"/><lightbox-embedding src="file:LW5_2.png" group="image-group-1" caption="Anatomy of the fifth lumbar vertebra (links lateral)"/>
 
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<lightbox-embedding src="file:LW5_3.png" group="image-group-1" caption="Anatomy of the fifth lumbar vertebra (kranial)"/>
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<lightbox-embedding src="file:LW5_3.png" group="image-group-1" caption="Anatomy of the fifth lumbar vertebra (cranial)"/>
 
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The five lumbar vertebrae, which are usually five, form the lumbar spine. The lumbar vertebrae connect caudally to the twelfth thoracic vertebra. Thus, the lumbar spine forms the basis of the [[Special:MyLanguage/Rumpf|trunk]]. There is a physiological forward curvature. This is a lordosis as it is also found in the [[Special:MyLanguage/Halswirbelsäule|cervical spine]]. Since the lumbar vertebrae are subjected to greater stress during gait, they show a more pronounced development of the vertebral bodies and spinous processes. The spinous processes here are flattened on both sides and very strongly pronounced. The vertebral bodies have a transverse oval shape. Compared to the other vertebrae, they are high and broad. The powerful articular processes (procc. articulares superior and inferior) have slightly bevelled joint surfaces. These are vertically and almost sagitally extended. The massive vertebral arches enclose a triangular vertebral hole and unite to form the spinous process.
The five lumbar vertebrae, which are usually five, form the lumbar spine. The lumbar vertebrae connect caudally to the twelfth thoracic vertebra. Thus, the lumbar spine forms the basis of the [[Special:MyLanguage/Rumpf|Trunk]]. There is a physiological forward curvature. This is a lordosis as it is also found in the [[Special:MyLanguage/Halswirbelsäule|Cervical spine]]. Since the lumbar vertebrae are subjected to greater stress during gait, they show a more pronounced development of the vertebral bodies and spinous processes. The spinous processes here are flattened on both sides and very strongly pronounced. The vertebral bodies have a transverse oval shape. Compared to the other vertebrae, they are high and broad. The powerful articular processes (procc. articulares superior and inferior) have slightly bevelled joint surfaces. These are vertically and almost sagitally extended. The massive vertebral arches enclose a triangular vertebral hole and unite to form the spinous process.
 
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Just as in the other sections of the spine, the intervertebral discs (intervertebral discs) and ligaments are located between the lumbar vertebrae. The transverse processes become longer from the first to the third lumbar vertebrae. Then they shorten again up to the fifth lumbar vertebra. They are also rib rudiments and are therefore called procc. costales. As a result, the transverse processes of the lumbar vertebrae are not homologous to the transverse processes of the other vertebral segments.  The procc. mamillares (muscle cusps), which lie on the outer surfaces of the upper joint processes, serve as attachment points for autochthonous back muscles.  
 
Just as in the other sections of the spine, the intervertebral discs (intervertebral discs) and ligaments are located between the lumbar vertebrae. The transverse processes become longer from the first to the third lumbar vertebrae. Then they shorten again up to the fifth lumbar vertebra. They are also rib rudiments and are therefore called procc. costales. As a result, the transverse processes of the lumbar vertebrae are not homologous to the transverse processes of the other vertebral segments.  The procc. mamillares (muscle cusps), which lie on the outer surfaces of the upper joint processes, serve as attachment points for autochthonous back muscles.  
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The lumbar spine bears the weight of both the trunk and the head. Here too, the vertebrae protect the spinal cord. However, the spinal cord only extends to the first or second lumbar vertebrae and then merges into a nerve bundle. Together with cervical lordosis and thoracic kyphosis, lumbar lordosis serves to position the centre of gravity above the feet.
 
The lumbar spine bears the weight of both the trunk and the head. Here too, the vertebrae protect the spinal cord. However, the spinal cord only extends to the first or second lumbar vertebrae and then merges into a nerve bundle. Together with cervical lordosis and thoracic kyphosis, lumbar lordosis serves to position the centre of gravity above the feet.
  
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==Free exploration==
 
==Free exploration==
<div style="float:left;margin-right:1em;"><segmenter-embedding wsemb_id="LendenwirbelsaeuleMann" src="segmenter:p24gOSMwniFr" height="300px" width="500px"/></div>
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<div style="float:left;margin-right:1em;"><segmenter-embedding public wsemb-id="LendenwirbelsaeuleMann" file="LendenwirbelsäuleMann.seg" height="300px" width="500px"/></div>
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<div style="float:left;width:50%">Look at the structure of the lumbar spine in 3D and explore it freely. Afterwards you can test your acquired knowledge by the exercises.</div>
 
<div style="float:left;width:50%">Look at the structure of the lumbar spine in 3D and explore it freely. Afterwards you can test your acquired knowledge by the exercises.</div>
 
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<ul class="center"> <li class="mw-ui-button button_new" >[[Special:MyLanguage/Übungsaufgaben|Exercise tasks]]</li></ul></div>
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<li class="mw-ui-button button_new" >[[Special:MyLanguage/Übungsaufgaben|Exercises]]</li>
<ul>'''More articles:'''<li class="mw-ui-button button_new" >[[Special:MyLanguage/Zehenknochen|Toe bones]]</li><li class="mw-ui-button button_new" >[[Special:MyLanguage/Hüftbein|innominate bone]]</li></ul>
 
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<ul>'''Further links:'''<li class="mw-ui-button button_new">[https://de.wikipedia.org/wiki/Brustwirbelsäule WIKIPEDIA - BRUSTWIRBELSÄULE]</li></ul>
 
 
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[[Category:Wirbelsäule]]
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[[Category:Spine]]
[[Category:Knochen Rumpf]]
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[[Category:Bones trunk]]
[[Category:Rumpf]]
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[[Category:Trunk]]
[[Category:Körperregionen]]
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[[Category:Body regions]]
  
 
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Aktuelle Version vom 11. Mai 2022, 07:22 Uhr

The lumbar spine is located between the thracic spine and the sacrum and coccyx. It usually consists of five vertebrae. It has a natural lordosis when viewed from the side and is heavily loaded when walking upright.


Anatomy

View and anatomy of the lumbar spine

View and Anatomy of the lumbar vertebrae

The five lumbar vertebrae, which are usually five, form the lumbar spine. The lumbar vertebrae connect caudally to the twelfth thoracic vertebra. Thus, the lumbar spine forms the basis of the trunk. There is a physiological forward curvature. This is a lordosis as it is also found in the cervical spine. Since the lumbar vertebrae are subjected to greater stress during gait, they show a more pronounced development of the vertebral bodies and spinous processes. The spinous processes here are flattened on both sides and very strongly pronounced. The vertebral bodies have a transverse oval shape. Compared to the other vertebrae, they are high and broad. The powerful articular processes (procc. articulares superior and inferior) have slightly bevelled joint surfaces. These are vertically and almost sagitally extended. The massive vertebral arches enclose a triangular vertebral hole and unite to form the spinous process.

Just as in the other sections of the spine, the intervertebral discs (intervertebral discs) and ligaments are located between the lumbar vertebrae. The transverse processes become longer from the first to the third lumbar vertebrae. Then they shorten again up to the fifth lumbar vertebra. They are also rib rudiments and are therefore called procc. costales. As a result, the transverse processes of the lumbar vertebrae are not homologous to the transverse processes of the other vertebral segments. The procc. mamillares (muscle cusps), which lie on the outer surfaces of the upper joint processes, serve as attachment points for autochthonous back muscles.

The peculiarity of the lumbar region is that the number of lumbar vertebrae in humans can vary. If the last lumbar vertebra grows together with the first sacral vertebra, sacralisation is present. This means that a person has only four lumbar vertebrae. This phenomenon can also be present in another direction if the first and second sacral vertebrae do not fuse and there is an intervertebral disc between them. Then one speaks of a lumbalisation. The first non-adjoined sacral vertebra is thus considered to be the sixth lumbar vertebra.

Movement

The mobility of the spine is extended by the lumbar spine. The bending of the body is carried out via the lumbar vertebrae. This is done via a transverse axis in the lumbar spine. Lateral inclination is possible in the same way as in the cervical spine.

Function

The lumbar spine bears the weight of both the trunk and the head. Here too, the vertebrae protect the spinal cord. However, the spinal cord only extends to the first or second lumbar vertebrae and then merges into a nerve bundle. Together with cervical lordosis and thoracic kyphosis, lumbar lordosis serves to position the centre of gravity above the feet.

Free exploration

Look at the structure of the lumbar spine in 3D and explore it freely. Afterwards you can test your acquired knowledge by the exercises.


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