Osteology And Arthrology Of The Anterior Thorax Flashcards
What vertebral levels correspond to the position of the manubrium sterni?
T3-T4
What parts form the adult sternum?
Manubrium sterni, corpus sterni, xiphoid process
What feature is present at the top of the manubrium sterni?
Jugular notch (suprasternal notch)
What is the name given to the articular site at the superolateral margin of the manubrium sterni?
Clavicular notch
What names are given to the articular sites for the joint with the first and second rib?
Costal notch I for the first rib cartilage; costal notch II for the second rib costal cartilage
What vertebral levels correspond to the position of the corpus sterni?
T5-T9
What surface feature on the corpus sterni identifies the location of the synchondroses?
Transverse lines
What articular sites for the costal cartilage of ribs will be identified on the corpus sterni?
Costal notches II-VII
What attaches to the crest of the neck of the rib?
The superior costotransverse ligament
What attaches beneath the crest of the neck of the rib?
The inferior costotransverse ligament
What attaches to the non-articular surface of the tubercle of a rib?
The lateral costotransverse ligament
What attaches to the costal angle of a rib?
The iliocostalis muscle and thoracolumbar aponeurosis/fascia
What is present at the sternal end of the rib?
Costal cartilage
What attaches to the scalene tubercle of the first rib?
The anterior scalene muscle
What unique feature is present on the body (corpus of shaft) of the second rib?
The tuberosity for the serratus anterior
What distinguishes the vertebral end of rib 11 from typical ribs?
The single articular surface, absense of a well-developed crest on the neck, and the tubercle may be absent or if present, consists of only a non-articular surface
What are the classifications of ribs 3-7 in the typical adult skeleton?
Typical ribs, true ribs, costa verae, and vertebrosternal ribs
What are the classifications of ribs 1 and 2 in the typical adult skeleton?
Atypical ribs, true ribs, costa verae, and vertebrosternal ribs
What are the classifications of ribs 8 and 9 in the typical adult skeleton? extra question for boards
Typical ribs, false ribs, costa spuriae, and vertebrochondral ribs
What are the classifications of rib 10 in the typical adult skeleton? extra question for boards
Atypical rib, false rib, costa spuriae, and vertebrochondral rib
What are the classifications of ribs 11 or 12 in the typical adult skeleton?
Atypical ribs, false ribs, costa spuriae, and vertebral ribs
What is the joint classification of the costochondral joint?
Cartilaginous (amphiarthosis) synchondrosis
What ligaments are present at the first sternocostal or sternochondral joint?
No ligaments are present
What is the classification of the second-seventh sternocostal or sternochondral joint?
Synovial plane (diarthrosis arthrodia)
Which of the sternocostal or sternochondral ligaments is unique to the second sternocostal or sternochondral joint?
The intra-articular ligament
What is the classification of the sixth through the ninth interchondral joints?
Synovial plane (diarthrosis arthrodia)
What is the classification of the fifth-sixth or ninth-tenth interchondral joint?
Fibrous (amphiarthrosis) syndesmosis
