Muscle Chart: Subocciptal Muscles

Question 1

Rectus Capitis Posterior Minor

Origin, Insertion, Innervation, Blood Supply

Answer 1

Attachment: Tubercle posterior arch of C1 and inferior nuchal line of occiput

Innervation: Suboccipital nerve (dorsal rami of C1)

Blood Supply: Vertebral artery

Question 2

Rectus Capitis Posterior Minor Movements

Answer 2

Tilt head back into extension

Question 3

Rectus Capitis Posterior Major

Origin, Insertion, Innervation, Blood Supply

Answer 3

Attachments: Spinous process of the axis and inferior nuchal line of occiput

Innervation: Suboccipital nerve (dorsal rami of C1)

Blood Supply: Vertebral artery

Question 4

Rectus Capitis Posterior Major Movements

Answer 4

Tilt the head back into extension

Rotate the head to the same side

Question 5

Obliquus Capitis Superior

Origin, Insertion, Innervation, Blood Supply

Answer 5

Attachments: Transverse process of the atlas and between the nuchal lines

Innervation: Suboccipital nerve (dorsal rami of C1)

Blood Supply: Vertebral artery

Question 6

Obliquus Capitis Superior Movements

Answer 6

Tilt head back into extension

Rotate head to same side

Question 7

Obliquus Capitis Inferior

Origin, Insertion, Innervation, Blood Supply

Answer 7

Attachments: Spinous process of C2 and transverse process of C1

Innervation: Suboccipital nerve (dorsal rami C1)

Blood Supply: Vertebral artery

Question 8

Obliquus Capitis Inferior Movements

Answer 8

Rotate head to same side