Scalenus Medius
Elevates first rib, rotates neck to opposite side. Located in the neck.
- Actions
- elevates first rib, rotates neck to opposite side
- Origin
- cervical vertebrae C2-C6
- Insertion
- first rib
- Innervation
- ventral rami of third to eighth cervical spinal nerves
- Blood supply
- inferior thyroid artery, ascending cervical artery