Back Arthrology

Question 1

atlantoaxial joint

Answer 1

between C1 and C2
compound synovial (planar and trochoid)

Question 2

types of joints in vertebral column

Answer 2

symphysis and zygapophyseal

Question 3

intervertebral symphysis joints

Answer 3

between C3-S1 and S5-S1

fibrocartilage cartilaginous joint

Question 4

intervertebral zygapophyseal joints

Answer 4

between C1-S1

planar synovial joint

Question 5

C3-S1 intervertebral joint classification

Answer 5

compound joint (symphysis cartilaginous and planar synovial)

Question 6

intervertebral discs

Answer 6

annulus fibrosis and nucleus pulposus

Question 7

annulus fibrosis

Answer 7

tough fibrous outer region of intervertebral discs

Question 8

nucleus pulposus

Answer 8

soft gelatinous inner portion of intervertebral discs

Question 9

herniation of nucleus pulposus through annulus fibrosis typically occurs in what direction

Answer 9

posterolaterally where the annulus fibrosis receives no support from anterior and posterior longitudinal Ls.

Question 10

herniation of nucleus pulposus through annulus fibrosis increases compresses what areas

Answer 10

vertebral canal and intervertebral foramina

Question 11

herniation is most common at

Answer 11

L4/5 and L5/S1

Question 12

second number rule

Answer 12

cervical and lumbar regions disc prolapse will affect spinal nerve with second number designation

Question 13

atlantooccipital joint

Answer 13

between anterior arch of atlas to basilar occipital B.

condyloid synovial joint

Question 14

median atlantoaxial joint

Answer 14

between anterior facet of dens of axis and articular facet for dens on atlas
trochoid synovial joint

Question 15

lateral atlantoaxial joint

Answer 15

between superior and inferior articulating processes of the atlas and axis
planar synovial joint

Question 16

uncovertebral joint

Answer 16

between uncinate process of inferior vertebra and beveled surface of superior vertebra
joint classification is debatable

Question 17

lumbosacral joint

Answer 17

between L5 and sacrum
compound joint (symphysis cartilaginous and planar synovial)

Question 18

intervertebral joint ligaments

Answer 18

anterior longitudinal L.
posterior longitudinal L.
ligamentum flavum
interspinous L.
intertransverse L.
supraspinous L.
intervertebral discs

Question 19

atlantooccipital joint ligaments

Answer 19

anterior atlantooccipital membrane
tectorial membrane
posterior atlantooccipital membrane

Question 20

median atlantoaxial joint ligaments

Answer 20

cruciate L. (superior longitudinal band, transverse L. of atlas, inferior longitudinal band)
alar L.
apical L. of the dens

Question 21

lateral atlantoaxial joint ligaments

Answer 21

N/A

Question 22

lumbosacral joint ligaments

Answer 22

anterior longitudinal L.
posterior longitudinal L.
ligamentum flavum
iliolumbar L.
lumbosacral L.
intervertebral discs