Spinal anatomy Flashcards
vertebral column also called
spine or backbone
how many individual bony vertebrae are there
33
how many sacral bones are there
5
how many coccygeal vertebrae
3-5
principle supporting structure for human body
vertebral column
what does vertebral column allow individual to do
stand upright, bend, twist
what is another main job of vertebral column
protect spinal cord
how is spine shaped at birth
C-shaped
what kind of curve does a baby have
one concave
as child learns to walk and craw, how does spine adjust
to accommodate 4-legged
then spine later learns to adjust for what
2-legged locomotion
what spine has lordotic curve
cervical and lumbar
what spine has kyphotic
thoracic and sacral
abnormal forward curve of lumbar spine
lordosis
abnormal curve of thoracic
kyphosis
sometimes called sway back
lordosis
sometimes called hunchback
kyphosis
what is it called when vertebral column abnormally curves from side to side
scoliosis
any abnormalities of spine can place unneeded pressure where
on heart and lungs
typical vertebrae consists of what
2 main divisions
what portion of spine is called the body
anterior portion
what portion of vertebrae is the posterior poriton
vertebral arch
what are the boney appendages of a typical vertebrae
superior and inferior articular facets, spinous process, and transverse processes
on the lateral aspect of the vertebral arch, what is it formed by
2 projections called pedicles