Suboccipital Triangle Flashcards
Rectus capitis posterior major
O:
+ spinous process of C2
I:
+ lateral part of the inferior nuchal line of the occipital bone
N:
+ posterior ramus of C1, the suboccipital nerve
A:
+ mostly postural
+ neck extension
Rectus capitus posterior minor
O:
+ posterior tubercle on the posterior arch of C1
I:
+ medial third of the inferior nuchal line
N:
+ posterior ramus of C1, the suboccipital nerve
A:
+ mostly postural
+ neck extension
Obliquus capitis inferior
O:
+ spinous process of C2
I:
+ transverse process of C1
N:
+ posterior ramus of C1, the suboccipital nerve
A:
+ mostly postural
+ rotates head to the left
Obliquus capitus superior
O:
+ transverse process of C1
I:
+ the occipital bone between the superior and inferior nuchal lines
N:
+ posterior ramus of C1, the suboccipital nerve
A:
+ mostly postural
+ neck extension