Elbow Fractures Type II Classification
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Questions and Answers

Which ligament makes up 4/5ths of the superior radioulnar joint?

  • Radial collateral ligament
  • Ulnar collateral ligament
  • Interosseous membrane
  • Annular ligament (correct)
  • What is the closed packed position of the Radiohumeral joint?

  • Elbow flexed to 90 degrees and forearm pronated
  • Elbow flexed to 90 degrees and forearm supinated (correct)
  • Elbow extended with the forearm pronated
  • Elbow extended with the forearm supinated
  • Which pathology is characterized by pain over the lateral epicondyle during grasping activities?

  • Medial valgus stress overload
  • Lateral epicondylitis (correct)
  • Fractures of the distal humerus
  • Medial epicondylitis
  • In a Supracondylar fracture, where does the fracture occur in the humerus?

    <p>Distal third</p> Signup and view all the answers

    Which ligament is commonly affected by repetitive valgus stress in patients involved in throwing sports?

    <p>Ulnar collateral ligament</p> Signup and view all the answers

    What is the primary function of the elbow joint?

    <p>Help position the hand for appropriate function</p> Signup and view all the answers

    Which structure is responsible for maintaining a distal humerus fragment displaced posteriorly in the context provided?

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

    What are the common complications associated with Volkmann’s ischemic contracture?

    <p>Hemorrhage leading to vascular obstruction</p> Signup and view all the answers

    In which type of fracture is the distal humeral fragment positioned anterior to the humerus?

    <p>Type II intercondylar fracture</p> Signup and view all the answers

    What causes changes in the carrying angle after radial head fractures?

    <p>Displacement of the radial head</p> Signup and view all the answers

    Which treatment method is generally used for Type II olecranon fractures?

    <p>Open reduction internal fixation (ORIF)</p> Signup and view all the answers

    What type of fracture leads to a carrying angle formed between the intersection of the long axis of the humerus and ulna with the elbow joint in full extension?

    <p><strong>Intercondylar fracture</strong></p> Signup and view all the answers

    What is the primary support structure responsible for maintaining the distal humerus fragment displaced posteriorly after a fracture?

    <p>Ulnar collateral ligament</p> Signup and view all the answers

    Which structure is most commonly affected by medial valgus stress overload in patients participating in throwing sports?

    <p>Ulnar collateral ligament</p> Signup and view all the answers

    What is the common term for the pathology characterized by severe pain in the forearm muscles, limited finger movement, and purple discoloration of the hand due to vascular obstruction?

    <p>Volkmann's ischemic contracture</p> Signup and view all the answers

    Which type of olecranon fracture is treated with either open reduction and internal fixation (ORIF) or excision of the fracture site?

    <p>Type II</p> Signup and view all the answers

    In which type of radial head fracture is the entire radial head comminuted and often necessitates excision of the fracture site?

    <p>Type III</p> Signup and view all the answers

    What is the term for a classification of intercondylar fractures that extend between the condyles of the humerus and involve the articular surfaces of the elbow joint?

    <p>&quot;T&quot; fractures</p> Signup and view all the answers

    Which ligament accounts for 4/5ths of the superior radioulnar joint and can be affected by repetitive valgus stress in athletes?

    <p>Annular ligament</p> Signup and view all the answers

    What distinguishes a Type IV intercondylar fracture from other types based on the provided information?

    <p>Severely comminuted fracture with significant separation between condyles</p> Signup and view all the answers

    What is a common complication associated with Volkmann's ischemic contracture described in the text?

    <p>Joint contracture</p> Signup and view all the answers

    What is a key feature contributing to changes in carrying angle following radial head fractures?

    <p>Rotation of humeral or ulnar bones at elbow joint</p> Signup and view all the answers

    Which ligament supports the elbow joint medially and is a fan-shaped structure?

    <p>Ulnar collateral ligament</p> Signup and view all the answers

    What muscles are commonly affected in medial epicondylitis, also known as 'golfer’s elbow'?

    <p>Pronator teres, Flexor carpi radialis, Flexor digitorum</p> Signup and view all the answers

    What is a common symptom of medial valgus stress overload in the elbow?

    <p>Pain over the medial aspect of the elbow</p> Signup and view all the answers

    Which pathology is characterized by pain with active or resisted wrist extension and a positive middle digit test?

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

    What structure is commonly affected by repetitive valgus stress in patients involved in throwing sports?

    <p>Ulnar collateral ligament</p> Signup and view all the answers

    Which ligament supports the elbow joint laterally and is a cord-like structure?

    <p>Radial collateral ligament</p> Signup and view all the answers

    Medial epicondylitis is much less common than which other elbow pathology?

    <p>'Tennis elbow'</p> Signup and view all the answers

    Which motion is commonly associated with injuries leading to medial valgus stress overload?

    <p>'Pitching' motion</p> Signup and view all the answers

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