Scalenus Anterior
When neck is fixed, elevates first rib to aid in breathing; when rib is fixed, bends neck forward and sideways and rotates it to opposite side. Located in the neck.
- Actions
- when neck is fixed, elevates first rib to aid in breathing, when rib is fixed, bends neck forward and sideways and rotates it to opposite side
- Origin
- cervical vertebrae C3-C6
- Insertion
- first rib
- Innervation
- ventral ramus of C5, C6
- Blood supply
- inferior thyroid artery, ascending cervical artery