Axial Skeleton Flashcards
(38 cards)
Three parts of Sternum
Manubrium
Body
Xiphoid process
Pit on top of chest name?
Suprasternal notch
Sternoclavicular ligament
Runs from sternum to clavicle
Interclavicular ligament
Runs from clavicle to clavicle
Through the suprasternal notch
Costoclavicular ligament
Prevents clavicle from springing upward
Attaches to the ribs
Functions in breathing
Accessory muscles: small muscles between ribs
Primary muscles: diapragm
How many “true” ribs?
Seven
How many “False” ribs?
Five
How many “floating” ribs?
Two (11&12)
3 Functions of the Vertebral Column
Absorbs shock
Enhances range of motion
Supports body weight
Two parts Intervertebral Disk
Nucleus pulposus- jelly
Annulus fibrosis- dough
— jelly donut example
Four curves of Spine
2 Kyphotic and 2 Lordotic
Kyphotic curve in which direction?
Convex posteriorly
Lordotic curve in which direction?
Convex anteriorly
Curve order in spine?
Lordotic, Kyphotic, Lordotic, Kyphotic
Scoliosis
Spine condition where spine moves in S-shape
Kyphosis
Spine condition
“Hunch back”
Lordosis
Spine Condition
“Swayback”
Pedicles
Set of bones that connect the laminae to the body
Laminae
Set of bones between the spinous process and transverse process
Spinous process
Tip of vertebrae- can easily palpate
Vertebral foramen
Formed by pedicles, laminae and spinous process
Hole for spinal cord
Transverse process
Lateral process off vertebrae
Name of spinous process in cervical spine
Bifid spinous process
Larger muscle attachment site
In “V” shape rather than “I” shape