![[Pasted image 20251009195555.png]]
AKA: m. sternocleidomastoideus, SCM

## Ursprung
- Manubrium sterni – [[Anatomi/Ben/Sternum|sternum]]
- Mediala clavicula – [[Anatomi/Ben/Clavicula|clavicula]]

## Fäste
- Processus mastoideus – [[Anatomi/Ben/Os Temporale|os temporale]]

## Funktion
- Unilateral: kontralateral rotation, ipsilateral lateralflexion
- Bilateral: flexion cervikalt; accessorisk inandning

## Innervation
- Motorik: [[Anatomi/Nerver/N Accessorius|n. accessorius (XI)]]
- Proprioception: [[Anatomi/Nerver/Plexus Cervicalis|plexus cervicalis]]

## Relaterat
- [[Anatomi/Leder/Ryggrad Mellankotsleder|mellankotsleder]]