Back, Lymphatics and Nerves Flashcards
What is A?
Lamina
What is B?
Transverse process
What is C?
Pedicle
What is D?
Body
What is E?
Vertebral column
What is F?
Superior facet
What is G?
Spinous process
What is A?
Vertebral notch
What is the most anterior and posterior structures?
Anterior is D (body)
Posterior is G (spinous process)
What is found inside the intervertebral foramen (vertebral canal, E)?
Spinal cord
What joint occurs between the adjacent bodies of vertebrae (D)?
Secondary cartilaginous
What joint is found between the articular facet of adjacent vertebrae?
Synovial plane
Where does a vertebrae articulate onto a rib?
Tubercle
Where do adjacent vertebrae articulate?
Body and facets
What are the different kinds of vertebrae of the spinal column?
Cervical
Thoracic
Lumbar
Sacral
Coccygael
How many of each vertebrae are there?
7 cervical
12 tharacic
5 lumbar
5 sacral
1 coccygael
What is the name of C1?
Atlas
What is the name of C2?
Axis
What is the name of C7?
Prominant vertebrae
What is the atlas and axis?
First and second vertebrae (C1 and C2)
What distinguishes cervical vertebrae from the rest?
Transverse foramen present
Smallest
What distunguishes thoracic vertebrae from the rest?
Long sharp, spinous process
Body is heart shaped
What distinguishes lumbar vertebrae from the rest?
Largest body
Big, blunt spinous process
What is A?
Intervertebral disk
What is B?
Articular facet
What joints do articulating vertebral disks form?
Secondary cartiliginous
What joints do superior and inferior facets form?
Synovial plane
What is the intervertebral disk composed of?
Analus fibrosis
Nucleus puposis
What is A?
Dura mater
What is B?
Analus fibrosis
What is C?
Nucleus puposis
What is D?
Spinal cord
What does this diagram show?
Intervertebral disk
What kind of cartilage is found inside the intervertebral disk?
Hyeline and fibrocartilage (secondary cartiliginous)
What is ‘slipped disk’?
Nucleus puplosis protrudes (herniate) through the annalus fibrosis
What does a herniates disk result in?
Compressed nerves
Which direction would the nucleus pulposis have to protrude to compress a spinal nerve?
Posterolateral
What are some of the ligaments present in the vertebral column?
Ligamentum flavum
Anterior longitudinal ligament
Posterior longitudinal ligament
Supraspinous ligament
Interspinous ligaments
What does the ligamentum flavin connect?
Lamina
What does the anterior longitudinal ligament connect?
Bodies
What does the posterior longitudinal ligament connect?
Bodies
What does the supraspinous ligament connect?
Spinous process
What does the interspinous ligament connect?
Adjacent spinous processes
What connects adjacent spinous processes?
Interspinous ligaments
What connects spinous processes?
Supraspinous ligaments
What connects bodies?
Anterior longitudinal ligament
Posterior longitudinal ligament
What connects lamina?
Ligamentum flavum
What is A?
Supraspinous ligament
What is B?
Transverse process
What is C?
Sectioned spinous process
What is D?
Ligamentum flavum
What is E?
Interspinous ligament
What is F?
Inferior articular process
What is G?
Sectioned body of vertebrae
What is H?
Nucleus pulposus
What is I?
Analus fibrosus
What is J?
Posterior longitudinal ligament
What is K?
Intervertebral foramen
What is L?
Anterior longitudinal ligament
What is M?
Intervertebral disk
How many curvatures of the spine are there?
4
Which of the curvatures of the spine are secondary?
1 and 3
What is the primary curvature of the spine?
The curves present from being a feotus (2 and 4)
What developmental changes occur in the neonate to produce the secondary spinal curvatures?
Cervical curvature from babies head looking up
Thoracic curvature for crawling
What is A?
Normal
What is B?
Lordosis
What is C?
Kyphosis
What is D?
Scoliosis
What is the type of movement at each vertebral column dependant of?
Orientation of the vertebral articular facets in that region of the column
In what plane is movement permitted in cervical vertebrae?
Transverse plane
In what plane is movement permitted in thoracic vertebrae?
Coronal
In what plane is movement permitted in lumbar vertebrae?
Sagittal
What is the main movement permitted in the cervical region?
Flexion/extension
Lateral flexion/rotation
What is the main movement permitted in the thoracic region?
Lateral flexion/rotation
What is the main movement permitted in the lumbar region?
Flexion/extension
What do the posterior vertebral muscles do to the spine?
Extend
What do the anterior vertebral muscles do to the spine?
Flex
What is bilaterally?
Muscles on both the left and right side contract together
What is unilaterally?
Muscles on one side contracts but not the other
What happens to the spine when muscles act unilaterally?
Rotation and lateral flexion
What is the posterior muscle that acts on the spine?
Erector spinae
What are the anterior muscles that act on the spine?
Obliques
Transverse abdominis
Rectus abdominis
What is A?
Obliques
What is B?
Transverse abdominis
What is C?
Rectus abdominis
What is A?
Erector spinae
What does trunk flexors and extendors contrasting simutaneously do?
Increase intra-abdominal pressure
What are 3 body functions that are facilitated by trunk flexors and extendors acting simutaneously, increasing intra-abdominal pressure?
Sneezing
Deficating
Vomiting
What are some surface anatomy of the back?
Vertebra prominens (at C7)
Spine of scapula (at T3)
Lateral margin of acromin
Greater tubercle of humerus
Inferior angle of scapula (at T7)
Summit of iliac crest (at L4)
What vertebrae is the vertebra prominens found at?
C7
What vertebrae is the spine of scapula found at?
T3
What vertebrae is the inferior angle of scapula found at?
T7
What vertebrae is the summit of iliac crest found at?
L4
What is L4 also known as?
Intercostal plane
What is A?
Spine of scapula
What is B?
Lateral margin of acromion
What is C?
Greater tubercle of humerus
What is D?
Inferior angle of scapula