Unit 6, Regions of the Vertebral column (Exam 2) Flashcards
(419 cards)
what will form the posterior boundary of a typical cervical IVF?
1) Post and Pre zygapophysis
2) Capsular ligament
3) Ligamentum Flavum
What will form the superior boundary of a typical cervical IVF?
Inferior vertebral notch/incisure
What will form the inferior boundary of a typical cervical IVF?
Superior vertebral notch/incisure
What is the unique anterior boundary of the IVF for the C4 spinal nerve?
1) Lateral groove of C3
2) Uncinate process of C4 forming the Joint of LUSHKA
What vertebral segments of the cervical are considered atypical?
C1.
C2.
C7.
What features are lacking at C1?
1) Vertebral body
2) Pedicles
3) Spinous process
4) Intervertebral disk
What is thought to represent the pedicle at C1?
Anterior Arch
What osseous modification is observed to the front of the anterior arch of C1?
Anterior tubercle
What muscle attach anterior arch of C1?
Longus Colli
What ligaments will attach to the anterior arch of C1?
1) Anterior longitudinal
2) Anterior atlanto-occipital
3) Anterior atlanto-axial
What is observed on the back of the anterior arch of C1?
Fovea dentis
What joint classifications are observed on the anterior arch?
1) Fibrous (amphiarthrosis) Syndesmosis joint
2) Synovial Pivot (diarthrosis trochoid) joint
What is the morphology of the superior articular facet of C1?
Elliptical; closer together in front and often demonstrate an elevation subdividing the facet surface into two separate surfaces.
What is the orientation of the superior articular facet of C1?
BUM
Backward, Upward, Medial
What is the joint classification of the atlanto-occipital zygapophysis?
Synovial (diarthrosis) ellipsoidal joint.
What are the morphological characteristics of the inferior articular facets of C1?
Asymmetrical, Slightly concave or flattened
What is the orientation of the inferior articular facets of C1?
BMD
Backward, Medial, Downward
What is the joint classification of the atlanto-axial zygapophysis?
Synovial Plane….(Diarthrosis arthrodia) Joint
What is the name of the rounded elevation on the medial aspect of the lateral mass of C1?
Tubercle for the transverse atlantal ligament
What muscles attach to the lateral mass of C1?
1) Levator Scapulae
2) Splenius Cervicis
3) Rectus capitis anterior
What part of C1 represents the spinous process?
Posterior tubercle of the posterior arch
What is the distance from the posterior tubercle of the posterior arch to the skin in each gender?
Male: about 50mm
Female: about 37mm
What attaches to the posterior tubercle of the posterior arch of C1?
1) Rectus Capitis posterior minor
2) Ligamentum Nuchae
What superior surface modifications of the posterior arch of C1 are present?
1) Groove/Sulcus for the vertebral artery
2) Arcuate rim