Thoracic Flashcards
Patient’s primary musculoskeletal symptom(s) may be directly or indirectly related or influenced by impairments from various body regions and systems regardless of proximity to the primary symptoms (true/false)
true
Restricted mobility in upper thoracic spine can affect cervical spine motion, as well as overall motion of thorax (true/false)
true
What effects can be seen in the sympathetic nervous system with thoracic mobilization?
increase blood flow in hands
The thoracic spine is very mobile (true/false)
false
second least mobile
Decreased mobility is due to
ribcage and low ratio of IVD height to vertebral body height
Where do ribs attach?
costovertebral and costotransverse joints
Facets favor which motion?
a. flexion
b. extension
c. side bending
d. rotation
rotation
the t-spine is vulnerable to
growth related deformities
age-related osteoporosis
flexion-compression fractures
height of body is slightly higher _ which contributes to normal kyphosis
posterior
each body has paired demi-facets posterio-laterally except _ _ _
T10, 11, and 12
Pedicles protrude directly
a. anterior
b. lateral
c. medial
d. posterior
posterior
(superior/inferior) facet slightly convex and posteriorly oriented
superior
(superior/inferior) facet slightly concave and face anteriorly, slightly inferiorly and medially
inferior
What structure resists buckling of vertical trabeculae under axial load?
transverse trabeculae
transverse processes project
laterally and slightly posteriorly
Which vertebrae level are considered typical thoracic vertebrae?
T4-T9
Which vertebrae levels are considered transitions?
T10, T11, T12
Spinous processes project
posteriorly and inferiorly
heads of 2nd to 10th ribs each articulate with (one/two) vertebral bodies
two
heads of 1st, 11th and 12th ribs each articulate with (one/two) vertebral bodies
one
costal cartilages of first 7 pairs attach to the
sternum
The head and tubercle of each rib articulate with the
vertebral body
transverse process of each side
Rib articulates with upper and lower _
facet
What does the rib articulate with?
a. Transverse process
b. Upper facet
c. Lower facet
d. Upper and lower facet
upper and lower facet
What is the ratio disc: body height in the t-spine?
a. 2:5
b. 1:3
c. 1:5
d. 2:3
1:5
The annulus is (stronger/weaker) in the thoracic spine
stronger
Why is the annulus in the thoracic spine stronger?
a. To load bear more weight
b. Support the rib cage
c. Because of the size of the vertebrae
d. To resist rotational stress
to resist rotational stress
What areas of cervicothoracic junction degenerate?
a. C7-T1
b. T1-T2
c. C6-7
d. C5-T2
C6-7
The upper t-spine costovertebral joint is designed to
a. Slide
b. Depress
c. Rotate
d. Glide
rotate
The lower t-spine and ribs form the costovertebral joint to
a. Rotate
b. Slide
c. Glide
d. None of the above
slide
What can be a primary site of sprain or irritation?
a. Costochondral junction
b. Costovertebral joint
c. Facet joint
d. Ribs
costochondral junction
Secondary pain caused by rib dysfunction will show
pain in the front
The ligaments for vertebrae and ribs positioned can be described as
Continuous ligamentous stocking
Which ligaments unite as a single unit?
Ligamentum flavum, interspinous ligament, supraspinous ligament, intertransverse ligament
Which ligament is a bridge between neural arch ligaments and those of the vertebral body?
a. ALL
b. Ligamentum flavum
c. Capsular ligament
d. Supraspinous ligament
ligamentum flavum
The capsule is reinforced dorsally by multifidus and ventrally by
a. Ligamentum flavum
b. Interspinous ligament
c. Supraspinous ligament
d. Capsular ligament
ligamentum flavum
Which motion does the thoracic spine mainly do?
a. Flexion
b. Rotation
c. Extension
d. Side bending
rotation
How does the vertebra move with flexion?
a. Posterior translation
b. Anterior translation
c. Rotates
d. None of the above
anterior translation
How do the ribs move with thoracic flexion?
a. Rotate backwards
b. Rotate sideways
c. Translate
d. Rotate forward
rotate forward
How does the vertebrae move with extension?
a. Posterior translation
b. Anterior translation
c. Rotation
d. None of the above
posterior translation
How do the ribs move with extension?
a. Rotate sideways
b. Rotate forward
c. Rotate backward
d. Translation
rotate backward
How does the vertebrae move with lateral flexion?
a. Translate anteriorly
b. Translate posteriorly
c. Translate in the direction side flexing
d. Rotates in the direction side flexing
Translate in the direction side flexing
How do the ribs move with lateral flexion?
a. Translate and rotate
b. Tip forward
c. Tip backward
d. Translate and tip to the same side lateral flexion
Translate and tip to the same side lateral flexion
What limits side flexion and stops motion?
ribs
With side bending to the right, the right rib (anterior/posteriorly) rotates and the left rib (anteriorly/posteriorly) rotates
anterior
posterior
What happens to the vertebrae with rotation?
Coupling of rotation with contralateral translation and ipsilateral lateral flexion
How do the ribs move with rotation?
a. Anteriorly rotate to the side rotating and posteriorly rotate to opposite side
b. Posteriorly rotate to the side rotating and anteriorly rotate to opposite side
Posteriorly rotate to the side rotating and anteriorly rotate to opposite side
Which areas function as part of the lower c-spine and upper t-spine?
a. T1-T4
b. T1-T2
c. T1-T3
d. T1-T5
T1-2
Which areas function as the true t-spine?
a. T9-T10
b. T11-12
c. T4-T9
d. T3-T10
T4-T9
Which areas function as part of the upper L spine and lower t-spine?
a. T8-T12
b. T10-12
c. T9-11
d. T10-11
T10-12
Load on the t-spine increases
a. In upper levels
b. In mid thoracic
c. In lower areas
in lower areas
Lower t-spine load transferred through _ _
posterior column
The lower angle of scapulae is aligned with
a. T1
b. T4
c. T7
d. T9
T7
What is designed to handle increased load demand?
Vertebral body height
End plate cross sectional area
Bone content
In the upper spine the load is transferred through the
Vertebral body/disc complex
How does the load distribution across end plate change outside the neutral position?
Becomes asymmetrical
Mid-thoracic pain can be associated with what type of postures
sustained loading postures
How does mechanics of shoulder and c-spine affect the t-spine?
may restrict functional motion
How does kyphosis change mechanics of the arm?
Limits ability for arm elevation
Risk with red flags increases with indication of
Age under 20 or over 50
Family history
Past personal history
Sudden, unexpected weight loss/gain
Which structure leads to endplate concavity?
a. Annulus fibrosis
b. Vertebral bodies
c. Trabeculae
d. Vertebral end plates
vertebral end plates
What leads to a collapse of load bearing of the spine?
a. Vertebral end plate fracture
b. Vertebral bodies lose bone trabeculae
c. Rib arthritis
d. Decrease bone density
Vertebral bodies lose bone trabeculae
The thoracic spine is (more/less) likely to become arthritic
Less
Because of rib cage protection
Height loss in females is due to
Compression of vertebrae
Vertebral body fracture twice as common as hip fracture (true/false)
true
Osteophytes of the t-spine is common which aging (true/false)
true
A patient has a sudden onset of symptoms aggravated by breathing and coughing on one side posteriorly, this could suggest
a. Facet joint dysfunction
b. Hypomobility
c. Hypermobility
d. Radiculopathy
hypomobility
(Hypomobility/hypermobility) is common in the thoracic spine
hypomobility
In which motion are vertebrae more commonly injured with trauma?
a. Extension
b. Rotation
c. Flexion or axial compression
d. Side flexion or axial compression unilaterally
Flexion or axial compression
Which type of traumatic injury is the most severe?
a. Bone bruising
b. Wedge compression
c. Endplate fracture
d. Burst fracture
burst fracture
In the upper t-spine _ causes more injury with thoracic facet injuries
a. Flexion
b. Extension
c. Axial compression
d. Rotation
extension
Which type of injury is common in the upper t-spine with MVC?
a. End plate fracture
b. Vertebral body injuries
c. Compression fracture
d. Bone bruising
vertebral body injuries
Which area is most frequently injured in a MVC?
a. Transitional zone
b. Upper t-spine
c. Lower t-spine
d. Mid thoracic
transitional zone
Falls and sudden flexion can cause
Sudden forceful flexion
Slipping
Sudden load onto the spine
Which levels are the highest at risk for a compression fracture?
a. T1,2,3
b. T5,6,7
c. T9,10,11
d. T11, 12, L1
T11, 12, L1
What is the risk with kyphoplasty?
high incidence of fractures
Ribs attach to _ _ which is related a higher incidence of _ _
Annulus fibers
Disc lesion
What potential causes of disc lesion injury?
High viscosity of IVD
Asymmetrical loading
Disc lesions are most commonly in what areas of the thoracic spine
lower t-spine
thoracolumbar junction
Patient presents with pain in blobs and patches, unilateral, deep ache. What could this suggest?
a. Radiculopathy
b. Facet joint injury
c. Costochondral injury
d. Disc lesion
disc lesion