Bones And Joints Of Thoracic Wall Flashcards
What cavity is the heart found within?
Pericardial cavity
What lies between the left and right pleural cavities in the thorax?
Mediastinum
Which bones articulate with the manubrium at its superolateral angles?
Medial end of clavicle
What is the name for the joint of the clavical and manubrium?
Sternoclavicular
Which bones attach to the middle of the manubrium?
1st ribs
What type of joint is the sternoclavicular?
Synovial saddle
What name is given to the notch formed by the superior border of the manubrium?
Jugular notch
What is the vertebral level of the xiphoid process?
T9
What is the vertebral level of the sternomanubrial joint?
T4
What part of the sternum does the 2nd costal cartilage attach?
Costal notch (Demi-facets) both manubrium and body
What is the name given to the facets by which the clavicles attach?
Clavicular notch
What are the typical ribs?
Ribs 3-9
On a typical rib, does it have a
1) rounded or sharp inferior border?
2) rounded or sharp superior border?
1) sharp
2) rounded
With which vertebrae do the heads of the ribs articulate?
The vertebrae corresponding to the rib and the vertebrae above (smaller)
What vertebrae would rib 7 attach to?
Vertebrae T7 and T6
What part of the vertebrae does the head of the rib articulate?
Costal facet
What part of the rib attaches to the transverse costal facet of the vertebrae?
Tubercle
Which ribs are;
1) true ribs?
2) false ribs?
3) floating ribs?
1) 1-7
2) 8-10
3) 11-12
What lies within the costal/ sulcus groove?
Intercostal veins, arteries and nerves
At what angle does the costal sulcus/ sulcus groove lie?
The sulcus/ costal groove is at the angle where the body of the rib begins to turn anteriolaterally
What is the structure of the 1st rib?
Short, wide and flat
What is the purpose of the scalene tubercle?
For attachment of the anterior scalene muscle of the neck (which is an accessory respiratory muscle)
What lies anterior and what lies posterior to the scalene tubercle on the 1st rib?
(Subclavian vein or artery)
Anterior to the tubercle is the subclavian vein
Posterior to the tubercle is the subclavian artery
What part of the rib articulates with the articulate facet on the tips if the transverse process?
Tubercle (synovial joint)
What part of the rib articulates with the Demi facets of the vertebrae?
The head
What ribs are most commonly fractured and why?
Ribs 5-10 because they are the most exposed and fixed
what type of joint is the xiphisternal joint?
primary cartillagneous
synchondrosis
what type of joint is the manubriosternal joint?
secondary cartillagenous
symphysis
what type of joint is the costochondral?
articulation of the rib to the costal cartilage
primary cartillagenous
what type of joint is the sternocostal of the 1st rib?
articulation of the 1st rib with the manubrium
primary cartillagenous
what type of joint is the sternocostal of 2-7th ribs?
synovial plane
