Joints of the Back

Question 1

C1/C2 Vertebral Joint

1) What type of joint is it?
2) What bones are involved?
3) What ligaments are involved?

Answer 1

1) Compound synovial (planar and trochoid)
2) C1 and C2
3) Anterior longitudinal, posterior longitudinal, intertransverse, interspinous, supraspinous, and ligamentum flavum ligaments; intervertebral disc (annulus fibrosis and nucleus pulposus)

Question 2

Intervertebral Joints

1) What type of joint is it?
2) What bones are involved?
3) What ligaments are involved?

Answer 2

1) Symphysis
2) C3-S1
3) Anterior longitudinal, posterior longitudinal, intertransverse, interspinous, supraspinous, and ligamentum flavum ligaments; intervertebral disc (annulus fibrosis and nucleus pulposus)

Question 3

Symphysis Joint

1) What type of joint is it?
2) What bones are involved?
3) What ligaments are involved?

Answer 3

1) Symphysis
2) S5-Co1
3) Anterior longitudinal, posterior longitudinal, intertransverse, interspinous, supraspinous, and ligamentum flavum ligaments; intervertebral disc (annulus fibrosis and nucleus pulposus)

Question 4

Zygopophyseal Joint

1) What type of joint is it?
2) What bones are involved?
3) What ligaments are involved?

Answer 4

1) Planar synovial
2) C1-S1
3) Anterior longitudinal, posterior longitudinal, intertransverse, interspinous, supraspinous, and ligamentum flavum ligaments; intervertebral disc (annulus fibrosis and nucleus pulposus)

Question 5

Atlanto-occipital Joint

1) What type of joint is it?
2) What bones are involved?
3) What ligaments are involved?

Answer 5

1) Condyloid synovial
2) Atlas and basilar occipital
3) Anterior atlantooccipital membrane, tectorial membrane, posterior atlantooccipital membrane

Question 6

Median Atlantoaxial Joint

1) What type of joint is it?
2) What bones are involved?
3) What ligaments are involved?

Answer 6

1) Trochoid synovial
2) Anterior facet of the dens of the axis and the articular facet for the dens on the atlas
3) Cruciate (superior longitudinal band, transverse ligament of the atlas, inferior longitudinal band), alar, and apical ligaments

Question 7

Lateral Atlantoaxial Joint

1) What type of joint is it?
2) What bones are involved?
3) What ligaments are involved?

Answer 7

1) Planar synovial
2) Superior and inferior articulating processes of the atlas and axis
3) I’m honestly not sure. Wasn’t in the note packet

Question 8

Lumbosacral Joint

1) What type of joint is it?
2) What bones are involved?
3) What ligaments are involved?

Answer 8

1) Compound (symphysis and planar synovial)
2) L5 and the sacrum
3) Anterior longitudinal, posterior longitudinal, ligamentum flavum, interspinous, intertransverse, supraspinous, and iliolumbar ligaments; intervertebral disc (annulus fibrosis and nucleus pulposus)