Subocciptial Muscles Flashcards
Rectus capitis posterior major Origin
C2 spinous process
Rectus capitis posterior major Insertion
Interior nuchal line
Rectus capitis posterior major innervation
Posterior rami of C1 (suboccipital nerve)
Rectus capitis posterior major arterial supply
Vertebral & occipital Arteries
Rectus capitis posterior major Functions
Bilaterally extends head and ipsilaterally rotates head
Rectus capitis posterior minor origin
Posterior tubercle of C1
Rectus capitis posterior minor insertion
Inferior nuchal line
Rectus capitis posterior minor innervation
Posterior rami of suboccipital nerve (C1)
Rectus capitis posterior minor arterial supply
Vertebral & occipital arteries
Rectus capitis posterior minor functions
Bilaterally extends head, ipsilaterally rotates head
Obliquus capitis superior origin
Transverse process of C1
Obliquus capitis superior insertion
between superior & Inferior nuchal line
Obliquus capitis superior innervation
Posterior rami of suboccipital nerve (C1)
Obliquus capitis superior arterial supply
Vertebral & occipital arteries
Obliquus capitis superior functions
Bilaterally extends head, ipsilaterally flexes neck and contralaterally rotates it