Upper limb radiology

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Match the following muscles with their degree of shoulder abduction

supraspinatous = 0-15º deltoid = 15-90º trapezius = 90-160º serratus anterior = 160-180º

Match the following muscles with the nerve that innervates them

supraspinatous = suprascapular deltoid = axillary trapezius = CN XI serratus anterior = long thoracic

What does an axial image show?

A plane that divides the body into anterior and posterior parts

A plane that divides the body into left and right parts

A plane that divides the body into superior and inferior parts (correct)

A plane that divides the body into proximal and distal parts

Which plane of the body is shown in a sagittal image?

The plane that divides the body into anterior and posterior parts Signup and view all the answers

What information does the 'scout line' provide in a radiology image?

It provides perspective for the other image views Signup and view all the answers

What plane of the body is shown in a coronal image?

The plane that divides the body into left and right parts Signup and view all the answers

What is the purpose of the 'Radiology Instruction/Information' section in the tutorial?

To explain how to interpret the radiology images Signup and view all the answers

What is the purpose of the 'Clinical Correlation/Application' section in the tutorial?

To highlight the clinical applications of the radiology images Signup and view all the answers

What is the landmark used to determine the anterior portion of a sagittal shoulder joint image?

The clavicle and inferior coracoid process Signup and view all the answers

Which structure reinforces the coracoclavicular joint?

The coracoclavicular ligament Signup and view all the answers

What is the purpose of the coronal plane MR arthrogram image of the shoulder joint?

To see the medial retraction of a torn supraspinatus tendon Signup and view all the answers

What would be observed on the MR arthrogram if there was a torn supraspinatus tendon?

Contrast would occupy the space created by the retracting tendon Signup and view all the answers

In the sagittal plane MR arthrogram image, which muscle is located between the clavicle and scapula?

Subscapularis Signup and view all the answers

What is the anatomical position of the deltoid muscle in the sagittal plane MR arthrogram image?

Lateral to the shoulder joint Signup and view all the answers

Which plane is represented by the horizontal lines in the image?

Axial plane Signup and view all the answers

Which plane divides the body into right and left parts, with respect to anatomical position?

Sagittal plane Signup and view all the answers

What does the scout line in the image represent?

Sagittal plane Signup and view all the answers

Which view of the hand shows the dislocation of the 3rd digit's PIP joint?

Lateral radiograph Signup and view all the answers

What is the radiologist's quote regarding multiple views?

One view = no views Signup and view all the answers

Which maneuver is used to clinically assess for a winged scapula?

Having the patient push against a wall with their hands Signup and view all the answers

What is the primary indication for the trans-scapular "Y" view radiograph?

To assess the alignment of the glenoid fossa and humeral head Signup and view all the answers

Which nerve innervates the serratus anterior muscle?

Long thoracic nerve Signup and view all the answers

Which neuromuscular bundle passes through the quadrilateral space in the axilla?

Posterior cord and subscapularis muscle Signup and view all the answers

Which view is insufficient to rule out a glenohumeral joint dislocation?

Trans-scapular "Y" view Signup and view all the answers

Which muscle is located inferior to the spine of the scapula?

Infraspinatus Signup and view all the answers

Which muscle is responsible for the condition known as 'winged scapula' when damaged?

Teres minor Signup and view all the answers

The axillary view radiograph is useful for evaluating which of the following?

Glenohumeral joint space Signup and view all the answers

Which structure is at risk of injury in humeral diaphysis fractures, potentially causing wrist drop?

Radial nerve Signup and view all the answers

The outlet view radiograph is useful for evaluating which of the following structures?

Coracoacromial arch Signup and view all the answers

Which muscle originates from the acromion process of the scapula?

Deltoid Signup and view all the answers

In an MR arthrogram, contrast is injected into which anatomical structure?

Glenohumeral joint space Signup and view all the answers

Which nerve injury can result in a winged scapula?

Long thoracic nerve Signup and view all the answers

Which X-ray view is best for evaluating glenohumeral joint space narrowing?

Grashey view Signup and view all the answers

Which structure is at risk of injury in a shoulder dislocation?

Glenoid labrum Signup and view all the answers

Which neurovascular bundle passes through the axilla?

Axillary bundle Signup and view all the answers

Which finding on a shoulder X-ray suggests a fracture of the surgical neck of the humerus?

Disruption of the calcar segment Signup and view all the answers

Which condition can cause referred pain to the shoulder region?

Diaphragmatic irritation Signup and view all the answers