Unit Two Exam Thoracic Vertebrae Flashcards
What is the longest region in the spine
Thoracic
What is the least mobile region of the spine
Thoracic
Why is the thoracic the least mobile region
Long spinous processes, attachment of ribs and kyphosis
What is the basic movement of the thoracic spine
Rotation
What movement is not allowed in the thoracic region
Extension
Typical thoracic vertebrae consists of
T2 through T8
What is the shaped of the neural foramen in the thoracic vertebrae
Oval shaped
How are the TVP’s oriented in the thoracic spine
45 degrees posterior lateral
What are the five descriptive characteristics of typical thoracic vertebrae
Long slender triangular SP, heart shaped bodies, costal facets on body , TVP’s are posterior to Pericles, articular processes and IVF’s, fovea costalis transversalis on TVP
How many articulations of a typical thoracic vertebra
12
What are the articulation of a typical thoracic vertebra
4 with articular processes, 4 with Demi facets on bodies, 2 with ribs on TVPs, 2 with vertebral body
What is the longest thoracic SP
T4
What is the shortest thoracic SP
T11
What is the second transitional spinal segment
T1
Describe T1
Body more rectangular, uncinate process, 1 pair of full costal facets superior and 1 pair of Demi facets on inferior body
How many articulations with T1
12
Describe T9
1 pair of Demi facet on superior body, no facet inferior
How many articulations on T9
10
Describe T10
Only 1 pair of full costal facets superior, none inferior
How many articulations on T10
10
Describe T11
No fovea costalis on TVP, 1 pair of full costal facets on body
How many articulations on T11
8
Describe T12
No fovea costalis on TVP, 1 pair of full facets on body, mammillary process, accessory processes, and interlocking articular process
What is the third transitional segment in spine
T12
