Diversified II Midterm Flashcards
what are the typical vertebrae in the thoracic region?
T2 to T8
describe the surfaces of a typical thoracic vertebrae.
anterior is convex and posterior is concave
what are short in a thoracic vertebrae?
the pedicles and the laminae
what are long in a thoracic vertebrae?
the spinous process
which direction are the TVPs in relation to the sup. articular process?
behind
articular facets lie at?
60 degrees to the transverse plane and 20 to the coronal plane
what is the disc height to body height ratio?
1:5 which doesn’t allow for flexibility
what is the anterior TVP called?
costotransverse joint
which are the atypical vertebrae in the thoracic?
T1 and T9-T12
which thoracic vertebrae has a whole facet?
T1
which thoracic vertebrae have the characteristics of a lumbar vertebrae?
T11 and below
what type of curve does the thoracic spine have?
kyphotic
what is the average measurement of the thoracic spine?
45 degrees, accepted is 20-50 degrees
where is the apex of the thoracic curve?
T6-T7
what is juvenile kyphosis called?
scheuermann disease
what is the most restricted ROM in the thoracic?
flexion and extension
what is the coupled motion with lateral flexion in the thoracic?
rotation
which muscles cause concentric and eccentric flexion of the thoracic?
rectus abdominis is concentric and erector spine is eccentric
what can flexion be limited by?
ligamentum flavum, PLL, posterior IVD, elastic limits of tissue
what muscles cause eccentric extension in the thoracic?
rectus abdominis, erector spinae causes concentric
what is extension limited by>
ALL, anterior IVD, elastic limits of tissue