Day 41 (Occipital-axial joint, Lumbosacral joint) Flashcards
What is the embryonic derivative of the apical ligament of the dens or the apicodental ligament?
the notochord
What is the function of the alar ligament?
together they function to resist axial rotation
What forms the cranial continuation of the posterior longitudinal ligament?
the membrana tectoria and tectorial membrane
List in order, the ligaments in a midsagittal plane from the dura mater at the level of the medulla oblongata to the anterior bursa of the median atlanto-axial joint.
the membrana tectoria or tectorial membrane
the cruciate ligament
the capsular ligament of the posterior bursa of the median atlanto-axial joint
the apical ligament of the dens or the apicodental ligament
For the cervical spine below C2, what is the range of flexion-extension?
about 90 degrees or about 18 degrees per couple
For the cervical spine below C2, what is the range of one side lateral bending?
about 50 degrees or about 10 degrees per couple
For the cervical spine below C2, what is the range of motion allowed for each type of joint motion identified?
90 degrees flexion-extension, 50 degrees one side lateral bending and 33 degrees one side axial rotation
What are the locations for costovertebral joints on the vertebra?
the costocentral joint at the vertebral body and the costotransverse joint at the transverse process
At what rib will the superior costotransverse ligament be absent?
the first rib
What ligaments will attach to the neck of the twelfth rib?
the superior costotransverse ligament from T11 and the lumbocostal ligament from L1
What are the attachment sites for the inferior costotransverse ligament?
the neck of the rib and the transverse process of the vertebra at that level
At what rib will the inferior costotransverse ligament be absent?
the twelfth rib
What is the name of the space between the transverse process and the neck of the rib?
the costotransverse foramen
Which ligament “fills” the costotransverse foramen?
the inferior costotransverse ligament
What are the attachment sites for the lateral costotransverse ligament?
the non-articular surface of the tubercle of the rib and the transverse tubercle of the tranverse process of the vertebra at that level
Which vertebra will lack an attachment for the lateral costotransverse ligament?
T12
Which vertebral couples of the thoracic spine have the greatest motion?
T11/T12 and T12/L1
Which range of motion is greatest for lower thoracic vertebral couples?
flexion-extension
Which range of motion is least for lower thoracic veretebral couples?
one side axial rotation
Which ligaments replace the intertransverse ligament at the lumbosacral joint?
the iliolumbar ligament and lumbosacral ligament
What muscle is intimately attached to the superior iliolumbar ligament?
quadratus lumborum
Which of teh current ligaments from the iliolumbar ligament complex represents the iliolumbar ligament of classical descriptions?
the superior iliolumbar ligament
Which ligament from the iliolumbar ligament complex will attach to the sacral ala?
the inferior iliolumbar ligament
Which ligament from the iliolumbar ligament complex represents the lumbosacral ligament of classical descriptions?
the inferior iliolumbar ligament
What are the attachment sites for the accessory iliolumbar ligament?
the transverse process of L4 and the iliac crest
Which vertebral couple of the lumbar spine has the greatest range of motion?
L5/S1
Which range of motion is greatest for all lumbar vertebral couples?
flexion-extension
Which range of motion is least for L1-L5 vertebral couples?
one side axial rotation
Which range of motion is least for the L5/S1 vertebral couple?
one side lateral bending
