Vertebral column (posterior) Flashcards
Splenius capitis (origin, insertion, actions)
O - cervical and upper thoracic spinous processes
I - mastoid process and superior nuchal line
Bi - extend head and neck, Uni - ipsilateral cervical rotation, ipsilateral cervical LF
Splenius cervicis (origin, insertion, actions)
O - mid thoracic spinous processes
I - C1-4 transverse processes
Bi - extend head and neck, Uni - ipsilateral cervical rotation, ipsilateral cervical LF
Insertion of iliocostalis?
Transverse processes and angles of ribs
Insertion of longissimus?
Transverse processes
Origin and insertion of spinalis?
Thoracic spinous processes
Actions of erector spinae group?
Bi - extend vertebral column, Uni - ipsilateral lateral flexion
Three members of tranversospinales group?
Rotatores, multifidus, semispinalis
Origin of transversospinales group?
Transverse processes
Insertion of transversospinales group?
Spinous processes
Bilateral action of transversospinales group?
Extend vertebral column
Supoccipital group actions?
Bi - extend head and upper cervical spine, Uni - ipsilateral upper cervical spine rotation and ipsilateral lateral flexion
Innervation of all posterior vertebral column minus suboccipital group?
Dorsal rami spinal nerves
Innervation of subocciptal group?
Suboccipital nerve