Forearm and Elbow Flashcards
When performing the AP forearm position, a line drawn through the humeral epicondyles should be ____ to the IR
Parallel
How do you get your epicondyles parallel to the IR in the AP forearm position?
lean laterally
The CR should be directed to the ___ when performing a lateral forearm exam.
Mid shaft or ante-brachium
brachium =
humerus
The narrowed area just distal to the radial head is known as the?
radial neck
When performing the AP oblique elbow with medial rotation, the radius and ulna will appear?
crossed
When performing AP elbow the radius and ulna will appear?
slightly superimposed
When performing AP oblique elbow with lateral rotation the radius and ulna will appear?
separated
What three body joints should be in the same plane when performing routine forearm and or elbow studies?
shoulder, Elbow, Wrist
another name for the semi-lunar notch?
trochlear notch
What process and ross fit together when the arm is in extension?
the olecranon process is in the olecranon fossa
Why is it important to include soft tissue when collimating for the lateral elbow exam?
We don’t want to clip the posterior fat pads due to pathology
Name 2 structures that must be superimposed on a lateral forearm radiograph
distal radius and ulna, humeral epicondyles
what structure is demonstrated in profile when the AP elbow with medial rotation oblique is performed?
Coronoid process ( beak )
What structure is demonstrated in profile when the elbow is in lateral position.
olecranon process
What humeral structure articulates with the radial head?
capitulum
What is another name for capitulum?
lateral condyle
What humeral structure articulates with the ulna?
Trochlea
What is another name for trochlea?
medial condyle
Which bone of the forearm is the medial structure?
Ulna
How and where should the CR be directed when performing an elbow study?
perpendicular and directed to the elbow joint.
The radial tuberosity should be facing ______ when the lateral forearm or elbow is performed.
anteriorly
When performing a lateral forearm/ elbow, what is the position of the hand?
lateral
The coronoid fossa is on the _____ surface of the elbow and will be filled with a bony process when the arm is?
anterior, in flexion
the olecranon process is on the _______ surface of the elbow and will be filled with the olecranon fossa in?
posterior, extension