Scapula Anatomy Quiz
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Questions and Answers

What is the uppermost border of the scapula called?

  • Inferior Border
  • Lateral Border
  • Superior Border (correct)
  • Vertebral Border
  • Which structure is located at the thickest part of the scapula?

  • Inferior Angle
  • Lateral Angle (correct)
  • Glenoid Cavity
  • Supraspinous Fossa
  • Which fossa is associated with muscle attachment on the posterior surface of the scapula?

  • Coracoid Fossa
  • Costal Surface
  • Glenoid Fossa
  • Infraspinous Fossa (correct)
  • What anatomical structure divides the posterior surface of the scapula into two fossae?

    <p>Spine</p> Signup and view all the answers

    Where is the glenoid cavity located?

    <p>At the lateral angle</p> Signup and view all the answers

    The anterior surface of the scapula is referred to as which of the following?

    <p>Costal Surface</p> Signup and view all the answers

    What is the position of the scapula as viewed laterally compared to the letter Y?

    <p>The acromion forms the upper part.</p> Signup and view all the answers

    The thick edge of the scapula from the glenoid cavity to the inferior angle is known as which border?

    <p>Lateral Border</p> Signup and view all the answers

    What is the primary purpose of the AP scapula projection?

    <p>To identify the anatomic parts of the scapula</p> Signup and view all the answers

    In the lateral projection of the scapula, which anatomical structure is NOT part of the Y shape formed?

    <p>Glenoid cavity</p> Signup and view all the answers

    Which of the following structures is highlighted in the Inferosuperior axial projection?

    <p>Head of the humerus</p> Signup and view all the answers

    What configuration does the scapula take during the PA oblique scapular Y lateral projection?

    <p>Y-shaped</p> Signup and view all the answers

    Which component of the scapula is formed by the combination of the coracoid process, body, and acromion in the lateral projection?

    <p>Scapular Y</p> Signup and view all the answers

    Which projection is best suited for examining the relationships of the humerus to the glenoid cavity?

    <p>Inferosuperior axial projection</p> Signup and view all the answers

    Which of the following structures is NOT typically viewed in the AP scapula projection?

    <p>Coracoid process</p> Signup and view all the answers

    Why is the arm abducted during the AP scapula projection?

    <p>To prevent scapula overlap with other anatomical parts</p> Signup and view all the answers

    In the Inferosuperior axial projection, which part of the scapula extends over the humerus?

    <p>Acromion</p> Signup and view all the answers

    What is a common challenge when interpreting the relationships shown in the proximal humerus and scapula projections?

    <p>Overlapping of other structures</p> Signup and view all the answers

    Which type of joint classification do all three joints of the shoulder girdle fall under?

    <p>Synovial joints</p> Signup and view all the answers

    What type of movement is primarily allowed by the glenohumeral (shoulder) joint?

    <p>Ball-and-socket movement including internal/external rotation</p> Signup and view all the answers

    Which joint in the shoulder girdle allows the least amount of mobility?

    <p>Acromioclavicular joint</p> Signup and view all the answers

    The primary type of joint at the sternoclavicular junction is what?

    <p>Plane (gliding)</p> Signup and view all the answers

    What is a significant characteristic of the glenoid cavity in the shoulder joint?

    <p>It is shallow, allowing greater mobility.</p> Signup and view all the answers

    Which joint is most likely to experience dislocation due to its mobility?

    <p>Glenohumeral joint</p> Signup and view all the answers

    What type of secondary movement can occur at the acromioclavicular joint?

    <p>Rotary movement and gliding</p> Signup and view all the answers

    What type of joint is the glenohumeral joint classified as?

    <p>Ball-and-socket joint</p> Signup and view all the answers

    Which type of joint enables the clavicle to move in relation to the sternum?

    <p>Sternoclavicular joint</p> Signup and view all the answers

    The stability of the glenohumeral joint is provided by which of the following?

    <p>Tendons and ligaments</p> Signup and view all the answers

    What is the minimum source-to-image distance (SID) required for an AP projection of the humerus?

    <p>40 inches</p> Signup and view all the answers

    Which imaging receptor size is recommended for adults when performing an AP projection of the humerus?

    <p>14 x 17 inches</p> Signup and view all the answers

    Which condition is NOT a clinical indication for performing an AP projection of the humerus?

    <p>Tendinitis of the shoulder</p> Signup and view all the answers

    For pediatric patients, what is the recommended imaging receptor size for an AP projection of the humerus?

    <p>10 x 12 inches</p> Signup and view all the answers

    What type of grid should be used for imaging the humerus during an AP projection?

    <p>No grid</p> Signup and view all the answers

    Which of the following outcomes is a necessary indication for an AP projection of the humerus?

    <p>Humeral fracture</p> Signup and view all the answers

    What is the appropriate IR size for an AP projection of the humerus in adult patients?

    <p>14 x 17 inches</p> Signup and view all the answers

    What is the position of the greater tubercle during external rotation of the humerus?

    <p>Lateral in profile</p> Signup and view all the answers

    How should the hand and arm be positioned for internal rotation of the humerus?

    <p>Pronated and perpendicular to the image receptor</p> Signup and view all the answers

    What is the characteristic positioning of the humerus in neutral rotation?

    <p>Epicondyles at a 45° angle to the image receptor</p> Signup and view all the answers

    What protective measure should be taken for trauma patients regarding rotational views?

    <p>Neutral position to prevent further injury</p> Signup and view all the answers

    Which tubercle is seen in profile laterally in the external rotation view?

    <p>Greater tubercle</p> Signup and view all the answers

    What describes the position of the greater tubercle in the internal rotation radiograph?

    <p>Anterior and medial</p> Signup and view all the answers

    What is the proper arm position for obtaining an external rotation radiograph of the shoulder?

    <p>Hanging down with the elbow extended</p> Signup and view all the answers

    In which position is the lesser tubercle seen medial to the greater tubercle?

    <p>Internal rotation</p> Signup and view all the answers

    How is the epicondylar position of the distal humerus described in external rotation?

    <p>Parallel to the image receptor</p> Signup and view all the answers

    What validates the necessity of understanding proximal humerus rotation?

    <p>Determining proper arm rotational positions</p> Signup and view all the answers

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