Rückenmuskulatur - medialer Trakt/en: Unterschied zwischen den Versionen
Aus Dornheim Anatomy
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| − | <td><b> | + | <td><b>origin</b></td> |
| − | <td><span style="color:#aa0000"> 5) </span><i>Mm. rotatores breves</i>: | + | <td><span style="color:#aa0000"> 5) </span><i>Mm. rotatores breves</i>: transverse process (<i>Proc. transversus</i>) the thoracic vertebra <br><span style="color:#ff0000"> 6) </span><i>Mm. rotatores longi</i>: <i>Proc. transversus</i> the thoracic vertebra</td> |
| − | <td><span style="color:#ffaa00"> 7) </span> | + | <td><span style="color:#ffaa00"> 7) </span> runs between <i>Proc. transversus</i> and <i>Proc. spinosus</i> of the higher vertebra within the entire spine (2nd cervical vertebral spine up to <i>Os sacrum</i>), the deep muscle parts skip two vertebrae, the superficial parts skip up to 5 vertebrae</td> |
| − | <td><span style="color:#aa0000"> 8) </span> <i>M. semispinalis thoracis</i>: <i>Proc. transversus</i> | + | <td><span style="color:#aa0000"> 8) </span> <i>M. semispinalis thoracis</i>: <i>Proc. transversus</i> of the 6th-12th thoracic vertebra <br><span style="color:#ffaa00"> 9) </span><i>M. semispinalis cervicis</i>: <i>Proc. transversus</i> of the 1st-6th thoracic vertebra <br><span style="color:#ff5500"> 10) </span><i>M. semispinalis capitis</i>: <i>Proc. transversus</i> of the 6th thoracic to 3rd cervical vertebra </td> |
</tr> | </tr> | ||
Version vom 3. Januar 2020, 09:03 Uhr
General information
The medial tract is innervated via the medial branches of the Rr. dorsales of the spinal nerves. It is divided into the spinal (Mm. interspinales and M. spinalis) and the transversospinal system (Mm. rotatores breves and longi, M. multifidus and M. semispinalis).
A schematic drawing of the muscles (Mm. interspinales, Mm. rotatores breves and longi etc.) can be displayed by clicking on the respective name in the "WebViewer".
Spinal system
| Mm. interspinales | M. spinalis | |
| origin | 1) Mm. interspinales cervicis: spinous processes (Proc. spinosus) of the lower cervical vertebra 2) Mm. interspinales lumborum: Proc. spinosus of the lower lumbar vertebra |
3) M. spinalis thoracis: Proc. spinosus of the 10th-12th thoracic vertebra and of the 1st-3rd lumbar vertebra 4) M. spinalis cervicis: Proc. spinosus of the 1st and 2nd thoracic vertebra and the 5th to 7th cervical vertebra |
| insertion | 1) next higher Proc. spinosus of the cervical spine 2) next higher Proc. spinosus of the lumbar spine |
3) spinous processes of the upper thoracic vertebra 4) spinous processes of the 2nd and 3rd cervical vertebra |
| function | The Musculi interspinales has a supporting function in an upright posture and helps with the dorsal extension of the cervical and lumbar spine. | One-sided contraction causes a lateral flexion of the thoracic and cervical spine to the ipsilateral side, on both sides the function of the muscle is the dorsal extension of the cervical spine and thoracic spine. |
<segmenter border="1">https://dornheim.cloud/index.php/apps/segmenter/embedding/view?identifier=OXPWwAmngR0G</segmenter>
Transversospinales System
| Mm. rotatores breves u. longi | M. multifidus | M. semispinalis | |
| origin | 5) Mm. rotatores breves: transverse process (Proc. transversus) the thoracic vertebra 6) Mm. rotatores longi: Proc. transversus the thoracic vertebra |
7) runs between Proc. transversus and Proc. spinosus of the higher vertebra within the entire spine (2nd cervical vertebral spine up to Os sacrum), the deep muscle parts skip two vertebrae, the superficial parts skip up to 5 vertebrae | 8) M. semispinalis thoracis: Proc. transversus of the 6th-12th thoracic vertebra 9) M. semispinalis cervicis: Proc. transversus of the 1st-6th thoracic vertebra 10) M. semispinalis capitis: Proc. transversus of the 6th thoracic to 3rd cervical vertebra |
| Ansatz | 5) nächsthöherer Proc. spinosus der Brustwirbelsäule 6) übernächster Proc. spinosus innerhalb der BWS |
7) siehe Ursprung |
8) Proc. spinosus des 4. Brust- bis 6. Halswirbels 9) Proc. spinosus der Halswirbel 2-7 10) medialer Bereich des Os occipitale zwischen Linea nuchalis superior und inferior |
| Funktion | Rotation der Wirbelsäule zur kontralateralen Seite bei einseitiger Kontraktion und Dorsalextension der BWS bei beidseitiger Aktivierung | Rotation der Wirbelsäule zur kontralateralen Seite und Lateralflexion zur ipsilateralen Seite bei einseitiger Kontraktion, Dorsalextension bei beidseitiger Kontraktion | Lateralflexion zur ipsilateralen Seite und Rotation zur kontralateralen Seite bei einseitiger Kontraktion, Dorsalextension der HWS, der BWS und des Kopfes bei beidseitiger Kontraktion |
weiterführende Links
