Joints Flashcards
1
Q
Describe the lumbosacral joint.
A
- between L5 and the sacrum
- contains an intervertebral disc
- relatively mobile in most people
2
Q
What is a sacralized 5th lumbar vertebra?
A
an anatomical variation in which L5 is fused to the sacrum or has extra facets
3
Q
Describe the sacroiliac joint.
A
- between the sacrum and ilium
- is a synovial joint
- least mobile synovial joint in the body; becomes less mobile with age
4
Q
Describe the pubic symphysis.
A
- between the two pubic bodies
- is a fibrocartilaginous joint containing an interpubic disc
- very respondant to relaxin, which is released during pregnancy
5
Q
Describe the sacrococcygeal joint.
A
- between the sacrum and coccyx
- contains a rudimentary intervertebral disc and is often fused
6
Q
What happens to the joints of the pelvis during pregnancy?
A
they become loose under the influence of the hormone relaxin
