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Clavicle and scapula
Two bones that make up the shoulder girdle
AC joint (acromionclavicular)
What joint connects the clavicle to the acromion process of the scapula
SC joint (sternoclavicular)
What joint is formed by the medial end of the clavicle and the manubrium of the sternum?
Suprascapular notch
What structures are located along the superior border of the scapula
Acromion
Lateral thickned end of the scapular spine?
Spine of the scapula
The scapula is divided posteriorly into supraspinous and infraspinous fossae
Lateral border
What border of the scapula is also known as the axillary border
Perpendicular to the IR
For an AP shoulder with internal rotation, the humeral epicondyles are:
Maglignant cartilaginous tumor
Which statement best describes chondrosaroma?
15 to 30 degrees cephalad
What is the CR angle direction for AP axial projection of the clavicle when the patient is supine?
Lateral 2/3s
How much of the clavicle projects above the ribs on an AP/PA axial view
Expose on inhald
Breathing instructions for the transthoracic lateral lawrence method?
RPO
For a right AP oblique (grashey method), the patient is positioned in:
45 degrees medially to the IR
In an AP shoulder with the arm in neutral rotation, the epicondyles are:
Glenoid cavity
What structures is shown in profile for the AP oblique (grashey)
MCP at surgical neck
Where does the CR enter for a transthoracic lateral
AP AC joints (pearson method)
Which projection uses a CR perpendicular to the midline at the level of the AC joints
Abducted to a right angle
How is the arm positioned for an AP scapula
15to30 degrees medially
How is the CR angled for the inferosuperior axial projection
PA oblique (scapular Y)
What projection is particularly useful to diagnose shoulder dislocations
45 to 60 degrees anterior oblique
How is the patient positioned for a lateral scapula
Elbow flexed with back of hand resting on the posterior thorax
How is the affected upper limb positioned to demonstrate the acromion and coracoid on the lateral projection of the scapula?
Compression fracture of the humeral head. (Scapula puts pressure on the head creating a divot)
A hill-sachs lesion is best described as:
Multiple myeloma
What is the most common primary malignant bone tumor in adults?
Osteosarcoma
What is the most common primary malignant bone tumor in peds?
Free of superimposition
On an AP scapula, the lateral scapula should be:
72inch SID
What SID is used for AP AC joints (pearson method)
Anteriorly
In the inferosuperior axial projection, the coracoid process should project:
In profile
In the infersuperior axial projection, the lesser tubercle is:
TRUE
PA oblique scapular Y, the humeral head and glenoid caivty are superimposed
Acromion fracture
During a scapula fracture, what other type of fracture is common?
Ribs anteriorly
An anterior shoulder dislocation will superimpose the:
3 angles
How many angles are on the scapula?
Coastal
Which surface of the scapula is the anterior surface?
TRUE
The shoulder girdle functions to connect the upper limb to the trunk of the body?
Clavicle
What bone lies just above the rib and is classified as a long bone/