Deep vertebral muscles Flashcards
What is the origin of the interspinales?
spinous processes
What is the origin of the intertranversarius?
transverse processes
What is the insertion of the interspinales?
spinous processes
What is the insertion of the intertransversarius?
tranverse processes
What is the action of the interspinales?
extension of the vertebral column
What is the action of the intertransversarius?
lateral flexion of the vertebral column
What muscle originates from the spinous processes and inserts to the spinous processes?
interspinales
What muscle originates from the transverse processes and inserts to the transverse processes?
intertransversarius
What is the insertion of the rotatores?
base of spinous processes
What is the origin of the rotatores?
transverse processes
What is the action of the rotatores?
extension and rotation of vertebral column
What muscle originates from tranverse processes and inserts to base of spinous processes?
rotatores
What is the origin of the multifidus?
transverse processes
What is the insertion of the multifidus?
posterior portion of the spinous processes
What is the action of the multifidus?
extension and rotation of vertebral column?
What muscles originates from the transverse processes and inserts to the posterior portion of the spinous processes?
multifidus
What is the origin of the scalenes?
cervical transverse processes
What is the insertion of the scalenes?
ribs 1-2 anterolaterally
What is the action of the scalenes?
flexion and rotation of neck, elevation of ribs (helps with inspiration)
What muscle originates from the cervical transverse processes and inserts to ribs 1-2 anterolaterally?
scalenes
What is the origin of the semispinalis (capitis, cervicis, thoracis)?
transverse processes C7-T12
What is the insertion of the semispinalis (capitis, cervicis, thoracis)?
spinous processes C2-T4, occipital bone
What is the action of the semispinalis (capitis, cervicis, thoracis)?
extension and rotation of vertebral column and head
What muscle originates from the transverse processes C7-T12 and insert to spinous processes C2-T4 and occipital bone?
semispinalis (capitis, cervicis, thoracis)
What is the origin of the splenius (capitis, cervicis)?
spinous processes C7-T6
What is the insertion of the splenius (capitis cervicis)?
transverse processes C2-C4, occipital bone, mastoid process
What is the action of the splenius (capitis, cervicis)?
extension and rotation of head and neck
What muscle originates from spinous processes C7-T6 and insert to spinous processes C2-C4, occipital bone & mastoid process?
splenius (capitis, cervicis)
Name all 7 deep vertebral muscles.
interspinales, intertransversarius, multifidus, rotatores, scalenes, semispinalis, splenius
