Rectus capitis posterior major

• O (origin):

  • C2

  A) Rectus capitis posterior major

  
• I (insertion):

  • Skull

  A) Rectus capitis posterior major

  
• A (actions):

  • Ipsilateral: Rotation
  • Bilateral: Extend head on neck

  A) Rectus capitis posterior major

  
• NS (nerve supply):

  • Dorsal Rami of C1

  A) Rectus capitis posterior major