Final 4 Suboccipital Musculature, Accessory muscles of vert. column, and Anterior & lateral deep cervical musculature Flashcards
What muscles are included in the suboccipital muscles group?
rectus capitis posterior major, rectus capitis posterior minor, obliquus capitis inferior and obliquus capitis superior
Which suboccipital muscle lacks an attachment to the skull?
obliquus capitis inferior
Which nerve will innervate all suboccipital muscles?
the dorsal ramus of C1, the suboccipital nerve
What is he proposed function of the suboccipital muscle group?
postural stabilizers of the atlanto-occipital and atlanto-axial joints
Which suboccipital muscles are known to attach to dura mater?
rectus capitis posterior major, rectus capitis posterior minor, and obliquus capitis inferior
At what locations will interspinalis be absent along the spine?
T3-T4 down to T10-T11
Based on the density of muscle spindles what is the proposed function of the interspinalis?
acts as a proprioceptive transducer in conjunction with intertransversarii to coordinate the smooth movement of the spine and to maintain appropriate posture.
Which muscle group is innervated by both dorsal rami and ventral rami of spinal nerves?
intertransversarii
Based on the density of muscle spindles what is the proposed function of the intertransversarii?
acts as a proprioceptive transducer in conjunction with interspinalis to coordinate the smooth movement of the spine and to maintain appropriate posture
What is the origin of the longus colli?
vertebral bodies of C5-C6, T1-T3 and anterior tubercles of transverse processes C3-C5
What is the origin of the longus capitis?
anterior tubercles of transverse processes C3-C6
What is the origin of the rectus capitis anterior?
lateral mass ad costal element of the transverse process of C1
What is the insertion of the middle scalene?
between the tubercle and groove for the subclavian artery on the first rib
What is the insertion of the posterior scalene?
outer surface of second rib
