Sub-Occipital Triangle

Question 1

Splenius (Cervicis/ Capitus)

Answer 1

O: Nuchal ligaments spines C7 - T4

I: C1 - C4 transverse process, mastoid process, nuchal lines

Inn: dorsal rami of Spinal N.

BS: Vertberal A. & Deep Cervical A.

A: Ipsilateral bend, extend head/neck,rotate head

Question 2

Rectus Capitus Posterior Major

Answer 2

O: Spine of Axis

I: Inferior Nuchal line

Inn: Suboccipital N.

BS: Vertebral A. & Occipital A.

A: Head extension, ipsilateral rotation

Question 3

Rectus Capitus Posterior Minor

Answer 3

O: Posterior tubercle of Atlas

I: Inferior nuchal line

Inn: Suboccipital N.

BS: Vertberal A. & Occipital A.

A: head extension

Question 4

Obliquus Capitus Superior

Answer 4

**upside down

O: Inferior nuchal line

I: transverse process of Atlas

Inn: Suboccipital N.

BS: Vertebral A. & Occipital A.

A: Ipsilateral bend neck, extend head, contralateral rotate

Question 5

Obliquus Capitus Inferior

Answer 5

O: Spine of Axis

I: Transverse process of Atlas

Inn: Suboccipital N.

BS: Vertebral A. & Occipital A.

A: Ipsilateral rotation