Atypical Cervical Vertebrae C2 Epistropheus/Axis Flashcards Preview

Spinal Exam 2 > Atypical Cervical Vertebrae C2 Epistropheus/Axis > Flashcards

Flashcards in Atypical Cervical Vertebrae C2 Epistropheus/Axis Deck (26):
1

What names are given to C2

axis or epistropheus

2

What unique vertebral body modification is characteristic of C2

the dens or odontoid process

3

how many joint surfaces are present on the odontoid process of C2

5

4

What joint surfaces are present on the odontoid process of C2

facet for fovea dentis
groove for transverse atlantal ligament
attachment sites for the 2 alar ligaments
attachment site for the apical-dental ligament

5

Which joint classifications are represented at the odontoid process of C2

fibrous (amphiarthrosis) syndesmosis
synovial piviot (diarthrosis trochoid) joint

6

What is the name given to the odontoid process when the facet for the fovea dentis lies above the groove for transverse atlantal ligament and the attachment sites for the apical-dental and alar ligaments appear to be directed posterior

lordotic dens

7

What is the name given to the odontoid process when the facet for the fovea dentis lies below the the groove for the transverse atlantal ligament and the attachment sites for the apical-dental and alar ligaments appear to be directed anterior

kyphotic dens

8

how many joints are formed by the inferior part of the vertebral body of C2

5

9

What joint classifications are present at the inferior part of the vertebral body of C2

fibrous (amphiarthrosis) syndesmosis
modified synovial saddle (diarthrosis sellar)
cartilaginous (amphiarthrosis) symphysis

10

how many joint surfaces are present at the vertebral body of C2

10

11

What joint classifications are present at the vertebral body of C2

fibrous (amphiarthrosis) syndesmosis
synovial piviot (diarthrosis trochoid)
modified synovial saddle (diarthrosis sellar)
cartilaginous (amphiarthrosis) symphysis

12

What ligaments will attach posteriorly to the inferior epiphyseal rim of C2

membrana tectoria and posterior longitudinal ligament

13

What ligament forms the anterior boundary for the spinal canal above C2

membrana tectoria

14

What ligament forms the anterior boundary for the spinal canal below C2

posterior longitudinal ligament

15

What lies on the upper surface of the pedicle of C2

superior articular process

16

What is the location of the superior vertebral notch of C2

on the lamina pedicle junction

17

What attaches to the lamina of C2

obliquus capitis inferior muscle
posterior atlanto-axial ligament
ligamentum flavum

18

What muscle attaches to the lamina of C2

obliquus capitis inferior

19

What is the facet orientation of of the superior articular facet of C2

BUL backward upward and lateral

20

What is the facet orientation of the inferior articular facet of C2

FoLD foreward lateral and down

21

What muscle attaches to the articular processes of C2

longissimus cervicis

22

What osseous parts of the typical cervical transverse process are present at C2

Costal element
posterior tubercle
true transverse process

23

What is the gender variation for the transverse diameter of C2

males 57 mm
females 50 mm

24

What muscles attache to the transverse process at C2

levator scapulae
middle scalene
splenius cervicis
longissimus cervicis
intertransversarii

25

What is the characteristic appearance of the C2 spinous process in humans

Bifid

26

What muscles attach to the spinous process of C2

Rectus capitis posterior major,
obliquus capitis inferior
spinalis cervicis
semispinalis cervicis
multifidis rotators and interspinalis muscles