Ribs I Flashcards
The ribs that attach via costal cartilage to the sterum are known as what type of rib?
True Rib
Which ribs are true ribs?
1 through 7
Veterbrochondral ribs are known as what type of ribs?
False Ribs
Which ribs are known as False Ribs?
8 through 12
What defines a typical rib? Which ribs are typical?
TWO demifacets on the rib head articulate with TWO vertebrae. Ribs 3-10
Floating ribs are known as true ribs or false ribs?
False ribs; because it doesn’t directly connect to the sterum
Which ribs are atypical ribs?
1, 2, 11, 12
Which rib has a synchondrosis with the manubrium? What does this in effect do?
Rib 1! Makes the 1st rib, T1, and manubrium act as one unit.
Which rib is attached anteriorly at the angle of louis via two demifacets? Typical or atypical?
Rib 2; atypical.
Rib 11 articulates with which vertebrae?
T11 ONLY no anterior articulation and only 1 posterior articulation
Rib 12 articulates with which vertebrae?
T12 ONLY no anterior articulation and only 1 posterior articulation
Which ribs attach to gladiolus (body) of sternum via synovial joint?
Ribs 3-7
Which of the following diameters enlarge during inhalation?a) cephalad - caudadb) anterior - posteriorc) right - left (transverse)
ALL of them! We need more room for all the air.
During inspiration, the thoraco-abdominal diaphragm moves in what direction to increase the cephalad-caudad diameter?
inferiorly
Pump handle ribs motion is analogous to what typical motions?
flexion/extension