Shoulder Anatomy Quiz

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What is the location of the lesser tubercle on the humerus?

Posteriorly

Laterally

Medially

Anteriorly (correct)

Which part of the clavicle articulates with the acromion of the scapula?

Sternal extremity

Inferior edge

Clavicle body

Acromial extremity (correct)

Which statement is NOT true regarding the shoulder girdle?

It consists of the clavicle and scapula.

It has a complete posterior connection to the trunk. (correct)

It connects to the trunk anteriorly at the upper sternum.

It connects at the shoulder joint between the scapula and the humerus.

What is the correct order of the parts of the clavicle from lateral to medial?

Acromial extremity, body, sternal extremity Signup and view all the answers

At what rib level does the lower margin of the scapula typically align?

Seventh rib (T7) Signup and view all the answers

What is the primary function of the greater tubercle of the humerus?

To provide a surface for muscle attachment, specifically for rotator cuff muscles Signup and view all the answers

Which part of the humerus is most likely to be fractured in a surgical neck fracture?

The surgical neck Signup and view all the answers

What effect does external rotation have on the positioning of the humerus in an AP view?

It alters the alignment of the greater and lesser tubercles for better visualization Signup and view all the answers

What is the significance of the intertubercular sulcus (bicipital groove) in the anatomy of the humerus?

It serves as a pathway for the biceps tendon Signup and view all the answers

Which feature of the proximal humerus is characterized as the 'most proximal part'?

Head Signup and view all the answers

What is the function of the glenoid cavity in the scapula?

It forms a joint with the humeral head. Signup and view all the answers

Which edge of the scapula is closest to the vertebral column?

Medial (vertebral) border Signup and view all the answers

What structure extends laterally over the humeral head from the spine of the scapula?

Acromion Signup and view all the answers

Which part of the scapula is described as being the thickest?

Lateral angle (head) Signup and view all the answers

Which surface of the scapula features a cavity known as the subscapular fossa?

Anterior (costal) surface Signup and view all the answers

Which angle of the scapula is located at the upper end of the medial border?

Superior angle Signup and view all the answers

What is the primary role of the suprascapular notch in the scapula?

To allow passage of nerves and blood vessels Signup and view all the answers

What characterizes the lateral (axillary) border of the scapula?

It is thicker than the medial border. Signup and view all the answers

What adjustment should be made to exposure technique for pediatric patients compared to adults?

Decrease the exposure time Signup and view all the answers

Why is patient immobilization particularly important in pediatric radiography?

Children tend to move more during examinations Signup and view all the answers

What type of filter is recommended for imaging the shoulder in bariatric patients?

Boomerang compensating filter Signup and view all the answers

What is the primary reason for altering routine examinations for geriatric patients?

Physical limitations or conditions Signup and view all the answers

What is one key guideline for digital imaging systems?

Ensure close collimation to reduce scatter Signup and view all the answers

What should be communicated to older patients to ensure successful imaging?

Clear and complete instructions are essential Signup and view all the answers

When imaging the proximal humerus area digitally, what should be employed despite the increased patient dose?

A grid to improve image clarity Signup and view all the answers

Where should shoulder projections be palpated for bariatric patients?

Jugular notch and AC joint Signup and view all the answers