Exam 3- Arthrology of the Anterior Thorax Flashcards
What are the joint surfaces of the costochondral joints?
the costal cartilage with the sternal end of each rib
What is the joint classification of the costochondral joint?
cartilaginous (amphiarthorsis) synchondrosis
What joint classification is now given to the joint between the sternum, clavicle and first rib?
synovial saddle (diarthrosis sellar) joint
What ribs will participate in the sternocostal or sternochondral joint?
rib 1 - rib 7
What is the classic classification of the first sternocostal or sternochondral joint?
cartilaginous (amphiarthorsis) synchondrosis
What is the newer suggested classification of the first sternocostal or sternochondral joint?
cartilaginous (amphiarthrosis) symphysis
What is the classification of the 2nd-7th sternocostal or sternochondral joint?
synovial plane (diarthrosis arthrodia)
What are the joint surfaces of the second sternocostal or sternochondral joint?
the costal cartilage of the second rib with costal notch II of the manubrium sterni, costal notch II of the corpus sterni and the manubrium symphysis
What are the joint surfaces of the 3rd-7th sternocostal or sternochondral joint?
the costal cartilage of ribs 3-7 with costal notch III-VII of the corpus sterni
What is the classification of the 6th-9th interchondral joints?
synovial plane (diarthrosis arthrodia)
What is the classification of the 5th-6th or 9th-10th interchondral joint?
fibrous (amphiarthrosis) syndesmosis
Which costal cartilages fail to form a joint at their sternal end?
the 11th and 12th costal cartilages
What forms the manubriosternal joint?
fibrocartilage layer attaches the manubrium sterni to the corpus sterni
Which sternal joint will ossify by age forty?
the joint between the corpus sterni and the xiphoid process
