Section 1: Overview of the nervous system, spinal nerves, IV discs, and suboccipital triangle

Question 1

Cards for slides

Answer 1

73-89

Question 2

Rectus Capitis Posterior Major

Answer 2

Or: Spinous process of vertebra C2

Ins: Lateral part of inferior nuchal line of occipital bone

Inv: Suboccipital nerve

BS: Suboccipital artery

Action: Ipsilateral rotation of head and extension

Question 3

Rectus Capitis Posterior Minor

Answer 3

Or: Posterior tubercle of posterior arch of vertebra C1 (atlas)

Ins: Medial part of inferior nuchal line of occipital bone

Inv: Suboccipital Nerve

BS: Suboccipital Artery

Actions: Extends head and neck

Question 4

Obliquus Capitis Inferior

Answer 4

Or: Spinous process of C2 (Axis)

Ins: Transverse process of C1 (Atlas)

Inv: Suboccipital Nerve

BS: Suboccipital Artery

Action: Rotation of head and neck

Question 5

Obliquus Capitis Superior

Answer 5

Or: Transverse process of C1 (Atlas)

Ins: Occipital bone between superior and inferior nuchal line

Inv: Suboccipital nerve

BS: Suboccipital Artery

Action: Extend and flex head to the ipsilateral side