10/13 Questions Flashcards
What movements at the sacro-iliac joint are described as forward nodding and backward nodding?
nutation and counternutation, respectively
What are the attachment sites of the interosseous sacroiliac ligament?
at the sacral tuberosity and the iliac sulcus
What is the relationship between the capsular and interosseous sacroiliac ligaments?
the interosseous sacro-iliac ligament replaces the capsular ligament posteriorly
What passes between the layers of the interosseous sacro-iliac ligament?
dorsal rami from the sacral spinal nerves
What forms the falciform process?
the continuation of the sacrotuberous ligament along the ischial ramus
What seperates the greater sciatic and lesser sciatic foramina?
the sacrospinous ligament
What vertebral levels correspond to the position of the manubrium sterni?
T3-T4
What separates the manubrium sterni and corpus sterni?
the manubriosternal symphysis
What vertebral levels correspond to the position of the corpus sterni?
T5-T9
How many sternabrae for the corpus sterni?
4 sternabrae
What articular sites for the costal cartilage of ribs will be identified on the corpus sterni?
costal notches 2-7
What feature of the corpus sterni is present in 4-7% of the population?
a sternal foramen
What causes the appearance of the sternal foramen?
failure of the ossification centers of the sternum to fuse together normally
What attaches to the scalene tubercle of the first rib?
anterior scalene muscle
Which groove on the body of the first rib is close to the vertebral end?
the groove for the subclavian artery and the first thoracic nerve
Which groove on the body of the first rib is close to the sternal end?
the groove for the subclavian vein
What specifically will attach to the crest of the neck of the second rib?
the superior costotransverse ligament from the transverse process of T1
What unique feature is present on the body of the second rib?
the tuberosity for the serratus anterior
What are the classifications of ribs 3-7 in the typical adult skeleton?
typical ribs
true ribs
costa verae
vertebrosternal ribs
What are the classifications of ribs 1 and 2 in the typical adult skeleton?
atypical ribs
true ribs
costa verae
vertebrosternal ribs
What are the classifications of ribs 8 and 9 in the typical adult skeleton?
typical ribs
false ribs
costa spuriae
vertebrochondral ribs
What are the classifications of rib 10 in the typical adult skeleton?
atypical rib
false ribs
costa spuriae
vertebrochondral rib
What are the classifications of ribs 11 or 12 in the typical adult skeleton?
atypical ribs
false ribs
costa spuriae
vertebral ribs
What are the joints of the anterior thorax?
costochondral
sternocostal or sternochondral
interchondral
sternal joints
What ribs will participate in the sternocostal or sternochondral joint?
rib 1 to rib 7
What is the classification of the first sternocostal or sternochondral joint?
cartilaginous (amphiarthrosis) synchondrosis
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
Which costal cartilages fail to form a joint at their sternal end?
the eleventh and twelfth costal cartilages
In the developing sternum, what joint classification is present between the manubrium, corpus and xiphoid process?
cartilaginous (amphiarthrosis) symphysis
Primary centers of ossification for the sternum first appear at what age?
fifth fetal month
In what part of the sternum will a secondary center of ossification appear?
xiphoid process
In what parts of the rib will secondary centers of ossification appear?
the head, articular surface of the tubercle and the non-articular surface of the tubercle
Which ribs will demonstrate primary centers of ossification for the body?
all ribs; ribs 1-12
