RAD 130 Exam With Complete Solutions
What is the largest and longest bone of the upper limb? (Its length on an adult is equal too 1/5 of body height)
humerus
The humerus articulates with the _________ at the shoulder joint.
scapula
What is the most proximal part of the humerus?
rounded he...
What is the largest and longest bone of the upper limb? (Its length on an adult is
equal too 1/5 of body height)
humerus
The humerus articulates with the _________ at the shoulder joint.
scapula
What is the most proximal part of the humerus?
rounded head
What is the slightly constricted area directly below and lateral to the head of the
humerus?
anatomic neck
What is the process directly below the anatomic neck on the anterior surface of
the humerus?
lesser tubercle
What is the larger, lateral process called?
greater tubercle
What muscles attach to the greater tubercle?
pectoralis major and supraspinatus muscles
What is the deep groove called between the greater and lesser tubercle?
intertubercular sulcus
What is another name for the intertubercular sulcus?
bicipital groove
What is distal to the surgical neck of the humerus?
the body or shaft of the humerus
Why is the surgical neck named that?
Bc it is the site of frequent fractures requiring surgery
What is the roughened raised triangular elevation among the anterolateral surface
of the body to which the deltoid muscle is attached?
deltoid tuberosity
, What kind of rotation is an AP radiograph of the shoulder taken with?
external rotation
When the humerus is in a true AP position you can see what structure?
greater tubercle
What view do you see the lesser tubercle with?
lateral
The lesser tubercle is located __________ and the greater tubercle is located
__________ in a true AP projection.
anteriorly; laterally
What 2 bones does the shoulder girdle consist of?
clavicle and scapula
What is the function of the clavicle and scapula?
to connect each upper limb to the trunk or axial skeleton
Anteriorly, where does the shoulder girdle connect to the trunk at?
upper sternum
Does the shoulder girdle connect to the trunk posteriorly? Why or why not?
No, bc the scapula is connected to the trunk by muscles only
Where is each clavicle specifically located?
over the upper anterior rib cage
Where is each scapula specifically located?
over the upper posterior rib cage
The upper margin of the scapula is at the level of the ____________ ____________
___
second posterior rib
The lower margin of the scapula is at the level of the ____________ ____________
___
seventh posterior rib
The lower margin of the scapula corresponds to what?
T7
What is the long bone with a double curvature?
clavicle (collarbone)
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