Suboccipital Muscles Flashcards
The suboccipital muscles are the 4 small muscles deep to which larger muscle?
SEMISPINALIS CAPITIS
Name the 4 suboccipital muscles?
RECTUS CAPITIS POSTERIOR MAJOR \+ RECTUS CAPITIS POSTERIOR MINOR \+ OBLIQUUS CAPITIS INFERIOR \+ OBLIQUUS CAPITIS SUPERIOR
Name the inferior attachment of rectus capitis posterior major?
SP of C2
Name the superior attachment of rectus capitis posterior major (and minor)?
INFERIOR NUCHAL LINE
Name 2 the actions of rectus capitis posterior major?
UNILATERAL CONTRACTION: IPSILATERAL ROTATION OF THE HEAD ON NECK
+
BILATERAL CONTRACTION: EXTEND THE HEAD ON THE NECK
Name the suboccipital muscle which attaches to dura mater on the brain?
RECTUS CAPITIS POSTERIOR MINOR
What is the inferior attachment of rectus capitis posterior minor?
POSTERIOR ARCH OF C1
POSTERIOR TUBERCLE
Name the superior attachment of rectus capitis posterior minor (and major)?
INFERIOR NUCHAL LINE
What is the sole action (bilateral contraction) of rectus capitis posterior minor?
EXTEND THE HEAD ON THE NECK
Name the suboccipital muscle which can be related to headaches?
RECTUS CAPITIS POSTERIOR MINOR
Name the suboccipital muscle which is mainly posture related?
OBLIQUUS CAPITIS INFERIOR
Name the inferior attachment of obliquus capitis inferior?
*** Same as rectus capitis posterior major
SP of C2
Name the superior attachment of obliquus capitis inferior?
TVP of C1
What is the sole action (unilateral contraction) of obliquus capitis inferior?
IPSILATERAL ROTATION OF THE HEAD
What is the inferior attachment of obliquus capitis superior?
TVP of C1