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content/Anatomi & Histologi/Anatomi/Muskler/Erector Spinae.md Normal file
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![[Pasted image 20251009195052.png]]
AKA: m. erector spinae (iliocostalis, longissimus, spinalis)
## Ursprung
- [[Sacrum|sacrum]], crista iliaca på [[Os Ilium|os ilium]] samt lumbala processus spinosi på [[Vertebra Lumbalis|vertebrae lumbales]]
## Fäste
- [[Costae|revben]] och processus transversi/spinosi längs [[Vertebra Thoracalis|thorakala]] och [[Vertebra Cervicalis|cervikala]] kotor
## Funktion
- Bilateral extension, unilateral lateralflexion av ryggraden
## Innervation
- Dorsala spinalnerver (segmentellt)
## Relaterat
- [[Ryggrad Mellankotsleder|ryggradens mellankotsleder]]