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Spine & Pelvis NWHSU
T1 - Winter 2013
| Question | Answer |
|---|---|
| Cervical Spine? | 7 |
| Lumbar Spine? | 5 |
| Thoracic Spine? | 12 |
| Number of bones in Adult Spine? | 26 |
| Number of bones in Kids Spine? | 33 |
| Discs make up __% of our height | 25% |
| Number of Discs? | 23 |
| What sections of spine make up the Kyphotic Spine? | Thoracic and Sacrum |
| What sections of spin make up the Lordotic Spine?? | Cervical and Lumbar |
| Primary curves? | Kyphotic. (Thoracic and Sacrum) |
| Secondary Curves? | Lordotic. (Cervical and Lumbar) |
| Cervical Inferior Endplates Convex? Concave? | Convex - side to side Concave - A to P |
| where is the Cervical Uncinate Process? | Superior Endplate. Posterior 1/3-1/2 |
| Another name for the Uncovertebral joint? | Von Luschka Joint |
| What happens when Disc height decreases in Cervical section (Uncinate process specific)? | A.O., Increase Stress, "Spur", Osteophite formation |
| Cervical Pedicles are ____ degrees ______ | 45, sagittal |
| Cervical Transverse Process: ____ degrees to sagittal plane and _____ degrees to the caudal plane | 60, 15 |
| Where are Articular Pillars located? | Between the pedicle and lamina |
| Cervical Superior facet joints face: | Upward and posterior |
| Cervical inferior facet joints face: | downward and anterior |
| Facet joints in cervical region have a ___ degree angle with the __________ plane. | 45 degree, Transverse plane |
| What is the Spino- Laminar Juncton? | In cervical where the two laminas meet/join. ((---< )) |
| What is the largest Spinous Process in the C-spin? | C2 |
| Central (spinal) Canal: - C1? - C2? - C3? - C4-7? | C1 - 16mm C2 - 14mm C3 - 13mm C4-7 - 12mm |
| what is Torg's Ratio? | AP cetral canal at least 80% the AP vertebral body dimension |
| Anterior arch (cervical) is _____ of the arch. | 1/5th |
| what does the fovea dens of C2 articulate with? | the Ondontoid process. |
| Lateral masses of C2 slope inward from: | lateral to medial |
| what is steel law of thirds? | Dens - 1/3 Cords - 1/3 Space - 1/3 |
| Axis (C2) is also called? | Epistopheus |
| T/F Body of C2 is thicker top to bottom than A to P? | TRUE!!! |
| T/F C2 Pedicles are tall an stout? | FALE. Short and stout |
| Largest laminae in C spine? | C2 |
| what is Bifid? | two C2 laminae fused centrally to form spinous process |
| What Cervical TP's are bifid? | C3-C7 |
| C2 Pars Superior Facet is? Inferior Facet is? | Superior? Anterior. Inferior? Posterior. |
| Space between the C2 pars? | Pars interartcularis |
| Largest Spinous Process in C spine? | C2 |
| Second largest TP's in Cervical spine? | C7 |
| Verteba Prominens is also called? | C7 |
| Atlanto Dento Interspace Kids: Adults: | Kid - 5mm Adults- 3mm |
| What is WOLFS LAW? | Increase Stress = Increased bone production |
| what is an osteophyte? | Bone Spur |
| Where rib touches vertebral body? | Costal facets |
| T/F Thoracic SP's point Obliquely Downward? | True |
| What Thoracics are most imbricated? | T5-8 |
| IBF's are smallest in which section of the spine? | Thoracic Spine |
| Heart Shaped body? (rectangular in upper and kidney bean in lower) | Thoracic Spine |
| how many facets on the Thoracic vertebral body? | 10 |
| How many process on the thoracic vertebral body's? | 7 |
| Thoracic Vertebral body height? | 1-2 mm shorter anteriorly |
| SAP and IAP join forms ______ degrees to a ________ plane? | 60 degrees to a horizontal plane |
| Interlaminar Space? | where they stick the epidermal |
| 7>>> is [rotating or gliding] 9<<<< is [rotating or gliding] | 7> is Rotating 8< is Gliding |
| Atypical thoracic vertebrae? | T1, T9-12 |
| Typical Thoracic Vertebrae? | T2-8 |
| Widest TP's in Thoracic? | T1 |
| Largest Demifacet? | T9 - for 9th rib |
| Costal Facets on the VB and Pedicle? | T11 |
| Anticlinical SP (thoracic)? | T11 |
| Costal facet on side/pedicle? | T12 |
| atypical SAP? | T12 |
| From (thoracic) Superior ---> inferior VB? Pedicles? TPs? | increase in size increase in size decrease in size |
| T/F T1 SP is Anticlinical? | TRUE |
| Thoracic Spine Canal is most critical/smallest? | T4-9 |
| Ribs are angled (superiorly/inferiorly)? | Inferiorly |
| Ribs articulate with the sternum via ______ ____________. | Costal Cartilage |
| Ribs that get longer/are attached directly to sternum? | 1-7 |
| Ribs that get smaller? | 8-12 |
| Ribs that attach to sternum via costal cartilage of the rib above? | 8-10 |
| "floating ribs"? | 11, 12 |
| what is the costal cartilage made up of? | Hyaline Cartilage |
| Which spinal section has no costal facets? | Lumbar |
| Shape of lumbar spine? | Kidney shaped |
| T/F the Lumbar spine is wider A-->P than side--->side | FALSE!! Lumbar VB is wider side to side than A to P |
| Lumbar VB anterior VB height is shorter than posterior VB height? | L1 and L2 |
| Lumbar Spine VB height is the same A-->P? | L3 |
| Lumbar Spine Anterior VB height is TALLER than posterior VB height? | L4, L5 |
| Lumbar Spine which Pedicles extend directly back? | L1, L2 |
| Lumbar Spine Which pedicles extend back ~45 degrees? | L3, L4, L5 |
| T/F The laminae is the lumbar spine is NOT imbricated | True!! |
| WIDEST TP is at what Lumbar Spine? | L3 |
| TP's in Lumbar spine project_______ and _______. | Lateral and posterior |
| Lumbar Superior Facets face? | POSTERIOR and MEDIAL |
| Lumbar inferior facets face? | ANTERIOR and LATERAL |
| Lumbar Facets primarily lie within the _________ plane at the upper extent | sagittal |
| Lumbar facets change to ________ plane at the lower extend | coronal |
| Lumbar mammillary processes extend ____ from ____ | Posteriorly from SAP |
| SAP's (Thoracic Spine): | Superior, Posterior, Slightly Lateral |
| IAP (thoracic Spine): | Inferior Anterior and slight medial |
| Attachment point in the Lumbar spine for the MAL? | the accessory process |
| lower end of the spinal cord (L1/L2) is also known as the _____________________. | Conus Medullaris |
| "Isthmus" of bone? | Pars Interarticularis |
| L5 is (typical/atypical)? | Atypical!!! |
| what is a Nuclear Impression? | impressions are a common variation in vertebral endplates contour characterized by bilateral, parasaggital endplate depressions separated by a centrally placed osseous mound. |
| The sacrum has a ________ posterior surface | Convex (kyphosis) |
| Sacral base - faces _________ and _________ | Anterior and superior |
| The superior articular process of the sacrum is ( concave/convex)? | Concave |
| Superior articular facets on sacrum face __________ and __________ | Posterior and medical |
| Another name for sacral ala? | Wings of sacrum |
| Wings of sacrum are the fusion of the _________ and __________ __________ | Transverse and costal elements |
| How many osseous ridges? | 4 |
| How many pairs of sacral foramina? | 4 |
| Part of the sacrum articulates with the coccyx? | Apex of sacrum |
| Posterior surface of the sacrum is (concave/convex?) Top to bottom? | Convex |
| No fusion of 5th lamina (sacrum)? | Sacral hiatus |
| 4 dorsal sacral foramina = | Dorsal rami |
| Sacral groove consists of ? | Fused lamina |
| Auricular surface | Lateral side of sacrum.ear like. |
| T/F The large articular surface has 3xs more hyaline cartilage than that of the illium? | True!!! |
| What shape is the sacral cannal? | Triangular shaped |
| How many segments in the coccyx? | 4 |
| The cornu faces _____ and _____ | Lateral and dorsal. ____V____ |
| When L5 has a characteristic of a Sacrum | Sacralization |
| When s1 seperates from s2? | Lumberization |
| Pelvic girdle is fused via the ______________ | The acetabulum |
| Intercrestal line in woman? | L5 |
| Intercrestal line in men? | L4 |
| Below the arcurate line is the ________ __________. | Pelvic surface |
| Where is the nutrient channel? | The illiac fossa |
| What part of the ischium do we sit on? | Ischial tuberosity |
| Acetabulum faces _________, ________, __________. | Lateral, anterior, inferior. |
| Obtoratorforamen is formed by what two bones? | Ischium and pubis |
| Small, triangular Obtorator foramen in M/F? | Female |
| Large, oval Obtorator foramen in M/F? | Males |
| What occludes most of Obtorator foramen? | Obturator membrane |
| Obtorator nerve = | L2-4 |
| Apophyses lack independent centers of osstification? | Epiphysis |
| Ossification starts at _______ and ends at ______ | Asis -----> psis |
| Ossification 14-15 yrs old for m/f? | Females |
| Ossification 16-17yrs oldfor m/f? | Males |
| Wolfs law: more stress? Less stress? | More bone. Less bone. |
| Heuter-Volkman rule? | INCREASED STRESS on vertebral epiphyseal growth plate will DECREASE rate of growth. |
| Male pelvis: top to bottom? Side to side? | Taller and narrower |
| Womans pelvis: side to side? Top to bottom? | Wider and shorter. |
| Symphysis =? | Grown together |
Created by:
walkingbyfaith09
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