sacral region ex 2 QQ Flashcards
what is the name of the condition in which the L5 spinous process increases in length due to aging process?
Baastrup’s syndrome or kissing spine
what is knife clasp syndrome?
congenital condition in which the L5 spinous process is elongated, the sacrum exhibits spin bifida and dorsiflexion produces pain
from the anterior view, the intervertebral discs of the sacrum will be replaced by what feature?
transverse ridges
what part of the sacral ala continues along the ventral surface of sacrum to about S4?
costal element
what forms the median sacral crest?
fused spinous processes and their spinous tubercles
an imaginary line drawn from the superior articular process of S1 to the sacral cornu will form what feature?
intermediate sacral crest
what features may be identified along the intermediate sacral crest?
mammillary process of S1 and sacral cornu of S5
what is the name of the inferior opening of the sacral spinal canal?
sacral hiatus
what features may be identified along the lateral sacral crest?
S1 transverse tubercle
sacral tuberosity of S2
transverse tubercles from S3-S5
what is the name of the joint formed by the sacral tuberosity?
accessory sacro-iliac joint
what muscle is said to attach to the dorsal surface of the sacrum?
iliacus
what feature is identified on the lateral surface of S1-S3?
auricular surface
what feature does the anterior surface of the superior epiphyseal rim of S1 form?
sacral promontory
the continuation of the anterior longitudinal ligament below S3 forms what ligament?
anterior sacrococcygeal ligament
the continuation of the posterior longitudinal ligament below S3 forms what ligament?
deep posterior sacrococcygeal ligament
what ligament is attached to the sacral hiatus?
superficial posterior sacrococcygeal ligament
what is the homolog for the posterior longitudinal ligament at S5?
deep posterior sacrococcygeal ligament
what is the homolog for the anterior longitudinal ligament at S5?
anterior sacrococcygeal ligament
what is the homolog for the ligamentum flavum at S5?
superficial posterior sacrococcygeal ligament
what forms the inferior boundary for the spinal canal?
union of the superficial posterior and deep posterior sacrococcygeal ligaments
what ligament is formed by the union of the superficial posterior sacrococcygeal and deep posterior sacrococcygeal ligaments of Co1?
posterior sacrococcygeal ligament
what ligament is a homolog of the inter transverse ligament at S5?
lateral sacrococcygeal ligament
what ligament divides the sciatic foramen into the greater and lesser sciatic foramina?
sacrospinous ligament
which ligament has a broad attachment along the lateral margin of sacrum and coccyx and then attaches to the ischial tuberosity?
sacrotuberous ligament
which ligament represents a thickening of the fibrous capsule of the sacra-iliac joint?
anterior sacro-iliac ligament
which ligament is the strongest of the sacra-iliac ligaments and is penetrated by dorsal rami of the sacral spinal nerves?
interosseous sacro-iliac ligament
which ligament will attach the intermediate sacral crest of S1, lateral sacral crest of S2 to the posterior superior iliac spine?
short posterior sacro-iliac ligament
which ligament attaches the lateral sacral crest of S3 and S4 to the posterior superior iliac spine?
long posterior sacro-iliac ligament
what is the homolog for the inferior articular process and facet at S5?
sacral cornu
what is the homolog for the superior articular process and facet at Co1?
coccygeal cornu
what is the homolog for the capsular ligament at S5?
intercornual ligament
