Kurze Nacken - bzw. Kopfgelenkmuskulatur/en: Unterschied zwischen den Versionen
Aus Dornheim Anatomy
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| − | <td><b> | + | <td><b>function</b></td> |
| − | <td> | + | <td>In the case of one-sided contraction, the head is inclined towards the ipsilateral side and rotated towards the contralateral side; in the case of bilateral activation, a dorsal extension occurs.</td> |
| − | <td> | + | <td>In the case of one-sided contraction, the head rotates to the ipsilateral side; in the case of bilateral activation, a dorsal extension occurs.</td> |
</tr> | </tr> | ||
</table> | </table> | ||
Version vom 3. Januar 2020, 09:15 Uhr
The short neck muscles (Mm. suboccipitales) belong to the autochthonous back muscles because they are innervated by the R. dorsalis of the first spinal nerve (C1). It consists of the following muscles: Mm. recti capitis posterior, major and minor as well as Mm. obliquii capitis superior and inferior..
A schematic drawing of the muscles (Mm. recti capitis posterior, major etc.) can be displayed by clicking on the respective name in the "WebViewer".
| 1) M. rectus capitis posterior minor | 2) M. rectus capitis posterior major | |
| origin | spinous process rudiment (tuberculum posterius) of the atlas (1st cervical vertebra) | spinous process (proc. spinosus) of the axis (2nd cervical vertebra) |
| insertion | Linea nuchea inferior of the Os occipitale | Linea nuchea inferior of the Os occipitale |
| function | In case of one-sided contraction a slight inclination and rotation of the head to the ipsilateral side occurs, in case of bilateral activation a dorsal extension. | In the case of one-sided contraction, the head is tilted and rotated towards the ipsilateral side, and in the case of bilateral contraction, a dorsal extension occurs. |
<segmenter border="1">https://dornheim.cloud/index.php/apps/segmenter/embedding/view?identifier=UIvdZnwrM0wf</segmenter>
| 3) M. rectus capitis posterior superior | 4) M. rectus capitis posterior inferior | |
| origin | transverse process of the atlas | spinous process of the axis |
| insertion | lateral third of the Linea nuchea inferior on the Os occipitale | transverse process of the atlas |
| function | In the case of one-sided contraction, the head is inclined towards the ipsilateral side and rotated towards the contralateral side; in the case of bilateral activation, a dorsal extension occurs. | In the case of one-sided contraction, the head rotates to the ipsilateral side; in the case of bilateral activation, a dorsal extension occurs. |
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