BONTRAGER CH 9 LUMBAR SPINE EXAM
QUESTIONS AND ANSWERS
A portion of the lamina located between the superior and inferior
articular processes - ANSWER Pars Interarticularis
What is formed where the superior and inferior vertebral notches joined -
ANSWER Intervertebral Foramina
Radiologic position which best demonstrates the intervertebral foramina
- ANSWER Lateral Position
Patient position angle which best demonstrates the lumbar
zygapophyseal joints - ANSWER Oblique (30°-50°)
Patient position angle which best demonstrates the intervertebral
foramina - ANSWER 90° Lateral
Patient position angle to best demonstrate upper zygapophyseal joints -
ANSWER 50° Oblique
What is formed by the fusion of the sacral spinous processes? -
ANSWER Median Sacral Crest
Patient position angle to best demonstrate the lower zygapophyseal
joints - ANSWER 30° Oblique
Name of the small foramina found in the sacrum - ANSWER Pelvic
Sacral Foramina
Name of the anterior and superior aspect of the sacrum that forms the
posterior wall of the pelvic inlet - ANSWER Promontory
Another name for the sacral horns - ANSWER Cornu
, Angle to the coronal plane at which the sacroiliac joints lie - ANSWER
30° Oblique
Formal term for the tail bone - ANSWER Coccyx
Name for the upper broad aspect of the coccyx - ANSWER Base
Classification, mobility, and movement type for lumbar zygapophyseal
joints - ANSWER Synovial, Diarthrodial, Plane (gliding)
Classification, mobility, and movement type for lumbar intervertebral
joints - ANSWER Cartilaginous, Amphiarthrodial (slightly movable), No
movement type
Specific lumbar joint which is demonstrated with the LPO position -
ANSWER Left zygapophyseal Joints
Specific lumbar joint which is demonstrated with the RAO position -
ANSWER Left zygapophyseal joints
Specific foramina which is demonstrated by the Lateral position -
ANSWER Intervertebral Foramina
Joint which is demonstrated by the RPO position - ANSWER Right
zygapophyseal joints
Joint which is demonstrated by the LAO position - ANSWER Right
zygapophyseal joints
Degree of obliquity required for an oblique projection at the T12-L1 level
- ANSWER 50°
Degree of obliquity required for an oblique projection of the L5-S1 level
of the spine - ANSWER 30°
Degree of obliquity required for a projection of the general lumbar spine -
ANSWER 45°
QUESTIONS AND ANSWERS
A portion of the lamina located between the superior and inferior
articular processes - ANSWER Pars Interarticularis
What is formed where the superior and inferior vertebral notches joined -
ANSWER Intervertebral Foramina
Radiologic position which best demonstrates the intervertebral foramina
- ANSWER Lateral Position
Patient position angle which best demonstrates the lumbar
zygapophyseal joints - ANSWER Oblique (30°-50°)
Patient position angle which best demonstrates the intervertebral
foramina - ANSWER 90° Lateral
Patient position angle to best demonstrate upper zygapophyseal joints -
ANSWER 50° Oblique
What is formed by the fusion of the sacral spinous processes? -
ANSWER Median Sacral Crest
Patient position angle to best demonstrate the lower zygapophyseal
joints - ANSWER 30° Oblique
Name of the small foramina found in the sacrum - ANSWER Pelvic
Sacral Foramina
Name of the anterior and superior aspect of the sacrum that forms the
posterior wall of the pelvic inlet - ANSWER Promontory
Another name for the sacral horns - ANSWER Cornu
, Angle to the coronal plane at which the sacroiliac joints lie - ANSWER
30° Oblique
Formal term for the tail bone - ANSWER Coccyx
Name for the upper broad aspect of the coccyx - ANSWER Base
Classification, mobility, and movement type for lumbar zygapophyseal
joints - ANSWER Synovial, Diarthrodial, Plane (gliding)
Classification, mobility, and movement type for lumbar intervertebral
joints - ANSWER Cartilaginous, Amphiarthrodial (slightly movable), No
movement type
Specific lumbar joint which is demonstrated with the LPO position -
ANSWER Left zygapophyseal Joints
Specific lumbar joint which is demonstrated with the RAO position -
ANSWER Left zygapophyseal joints
Specific foramina which is demonstrated by the Lateral position -
ANSWER Intervertebral Foramina
Joint which is demonstrated by the RPO position - ANSWER Right
zygapophyseal joints
Joint which is demonstrated by the LAO position - ANSWER Right
zygapophyseal joints
Degree of obliquity required for an oblique projection at the T12-L1 level
- ANSWER 50°
Degree of obliquity required for an oblique projection of the L5-S1 level
of the spine - ANSWER 30°
Degree of obliquity required for a projection of the general lumbar spine -
ANSWER 45°
