8/12 Questions Exam 2 Flashcards
What will influence spinal kinematics?
geometry of articular facets, mechanical properties of connective tissue, mechanical properties of muscle
The greatest range of flexion - extension among the typical cervical vertebrae occurs at which vertebral couple?
typically C5/C6
What motions are coupled in the cervical spine?
lateral bending and axial rotation
Ranges of coupled motion among the typical cervical vertebrae will be similar for what cervical vertebral couples?
the C2/C3, C3/C4, C4/C5 vertebral couples
Ranges of coupled motion among the typical cervical vertebrae will begin to decrease at what cervical vertebral couple?
the C5/C6 vertebral couple
What is the usual condition for the caucasian typical cervical spinous process?
they are bifid
What is the usual condition for the African-American typical cervical spinous process?
they are non-bifid
What muscles may attach to the typical cervical spinous process?
the spinalis cervicis, semispinalis cervicis, semispinalis thoracis, multifidis, rotators, and interspinalis
What will form the anterior boundary of a typical cervical intervertebral foramen?
the lateral groove and vertebral body of the segment above, the uncinate process and vertebral body of the segment below, the intervertebral disc and the posterior longitudinal ligament
What will form the posterior boundary of a typical cervical intervertebral foramen?
the inferior articular process (post-zygapophysis), the superior articular process (pre-zygapophysis), the capsular ligament and the ligamentum flavum
What forms the unique anterior boundary of the intervertebral foramen for the C4 spinal nerve?
the lateral groove of C3 and uncinate process of C4 forming the joint of Luschka
What is the name of the first cervical vertebra?
atlas
What features are lacking at C1?
vertebral body, pedicles, a spinous process and the intervertebral disc
What is thought to represent the pedicle at C1?
the anterior arch
What muscle attaches to the anterior arch of C1?
longus colli