Splenius Capitis
Neck
Named 'splenius' because it looks like a bandage wrapping around deeper neck muscles.
Function
Extends, laterally flexes, and rotates head ipsilaterally
Origin
Spinous processes of C7-T3, ligamentum nuchae
Insertion
Mastoid process and superior nuchal line
Innervation
Dorsal rami of middle cervical nerves