Hand and Wrist Osteoarthritis Quiz
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Questions and Answers

Which of the following is a common cause of wrist and hand osteoarthritis?

  • Genetic predisposition
  • Prolonged exposure to cold temperatures
  • Falling with compression force onto an outstretched thumb (correct)
  • Repetitive use of power tools
  • Which of the following is a conservative treatment for wrist and hand osteoarthritis?

  • Fusion
  • Intra-articular injections
  • Lifestyle modifications (correct)
  • Arthroplasty
  • Which joints are more commonly affected by osteoarthritis of the hand?

  • Metacarpophalangeal (MCP) joints
  • Proximal interphalangeal (PIP) joints
  • Distal interphalangeal (DIP) joints (correct)
  • Carpometacarpal (CMC) joints
  • What is the typical range of motion restriction after surgical intervention for wrist osteoarthritis?

    <p>40-75% of normal range</p> Signup and view all the answers

    Which of the following is considered the treatment of choice for patients with significant carpal degeneration?

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

    Which structure does NOT contribute to the roof of the cubital tunnel?

    <p>Elbow capsule</p> Signup and view all the answers

    Which of the following is a characteristic sign of a distal ulnar nerve lesion?

    <p>Clawing of the hand with hyperextended MCP joints and flexed IP joints of the ring and little finger</p> Signup and view all the answers

    The ulnar nerve originates from which cord of the brachial plexus?

    <p>Medial cord</p> Signup and view all the answers

    A patient presents with weakness in finger adduction and abduction, as well as sensory loss on the medial side of the hand. Which nerve is most likely involved?

    <p>Ulnar nerve</p> Signup and view all the answers

    Which of the following best describes the motor innervation of the flexor carpi ulnaris (FCU) by the ulnar nerve?

    <p>The FCU is fully supplied by the ulnar nerve, being the only anterior compartment muscle with this</p> Signup and view all the answers

    Which test is used to assess the distal median nerve?

    <p>Phalen’s test</p> Signup and view all the answers

    If a patient experiences numbness and tingling in the distribution of the median nerve during testing, which of the following tests would be considered positive?

    <p>Phalen's test</p> Signup and view all the answers

    Which test involves the therapist attempting to supinate a patient's forearm while the patient is resisting the motion?

    <p>Pronator teres syndrome test</p> Signup and view all the answers

    What anatomical structure does the Scaphoid shift test primarily assess?

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

    A positive result for the Finklestein's test is indicated by:

    <p>Pain over the first dorsal compartment</p> Signup and view all the answers

    During the Scaphoid shift test, where should the therapist place their thumb?

    <p>Over the palmar prominence of the scaphoid</p> Signup and view all the answers

    Which test involves passively pressing the palmar sides of the hands together at chest height?

    <p>Reverse Phalen's test</p> Signup and view all the answers

    In the Pronator teres syndrome test, what action is the therapist resisting while the patient is in a pronated position?

    <p>Forearm supination</p> Signup and view all the answers

    Which test involves ulnarly deviating and axially loading the patient's wrist, then moving it volarly and dorsally?

    <p>Triangular fibrocartilage complex load test</p> Signup and view all the answers

    What is the primary purpose of the Piano keys test?

    <p>To detect instability of the distal radioulnar joint (DRUJ).</p> Signup and view all the answers

    Tapping four to six times over a nerve to check for nerve impairment symptoms is the procedure for which test?

    <p>Tinel’s test</p> Signup and view all the answers

    Which of these conditions is most common in athletes and involves inflammation of the tenosynovium of the first dorsal compartment tendons?

    <p>DeQuervain's Tenosynovitis</p> Signup and view all the answers

    Which condition is characterized by a rupture of the EPL tendon at Lister's tubercle, often as a delayed complication of a distal radial fracture?

    <p>EPL rupture</p> Signup and view all the answers

    What is the primary cause of 'DeQuervian's Tenosynovitis'?

    <p>Repetitive wrist motion causing shear stress on tendons</p> Signup and view all the answers

    Which of the following can be used to check for a fracture, according to the content provided?

    <p>Tap test or tuning fork test</p> Signup and view all the answers

    Which of the following conditions commonly occurs in mothers who pick up their children?

    <p>De Quervain's Tenosynovitis</p> Signup and view all the answers

    Which of the following is the MOST common mechanism of injury for a scaphoid fracture?

    <p>Fall on an outstretched hand (FOOSH)</p> Signup and view all the answers

    A patient presents with severe pain upon passive stretching of their muscles after a fracture. What does this symptom most strongly suggest?

    <p>Vascular injury</p> Signup and view all the answers

    Which of the following fractures is characterized by a fracture of the distal radius with dorsal displacement?

    <p>Colle’s fracture</p> Signup and view all the answers

    What specific anatomical finding is most indicative of a scaphoid fracture upon physical examination?

    <p>Pain in the anatomical snuffbox</p> Signup and view all the answers

    A 'Boxer's fracture' typically involves which specific bone?

    <p>Fifth metacarpal</p> Signup and view all the answers

    Which of the following fractures involves an intra-articular fracture of the first metacarpal combined with dislocation and subluxation?

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

    Immobilization is immediately necessary for which type of fracture because of the risk to a major nerve and artery?

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

    According to the information given, which of the following can be a sign of a potential neurological injury after a fracture?

    <p>Persistent weakness of extremity muscles</p> Signup and view all the answers

    Which type of fracture involves an oblique break of the radial styloid process?

    <p>Distal ulnar styloid fracture</p> Signup and view all the answers

    Which injury is characterized by a fracture of the radius's distal to the middle-third, associated with DRUJ dislocation?

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

    A fracture at the distal end of the radius often due to a fall onto a flexed wrist is known as a:

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

    What is the most common carpal bone to fracture?

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

    What position is a splint typically applied for 3-6 weeks for a triquetrum fracture?

    <p>Intrinsic plus</p> Signup and view all the answers

    What is the recommended initial stage of physical therapy after fracture?

    <p>AROM and PROM as permitted</p> Signup and view all the answers

    Which muscles' tendons may endure compression in the carpal tunnel?

    <p>Flexor digitorum superficialis, flexor digitorum profundus, and flexor pollicis longus</p> Signup and view all the answers

    What are the extensor expansion deformities that may occur as a result of lateral band injury?

    <p>Boutonniere and swan neck deformity</p> Signup and view all the answers

    Study Notes

    Wrist/Hand Exam

    • History: Includes precipitating incident, activity, date of onset, location, intensity and duration of symptoms, activities that aggravate or relieve symptoms, and previous treatment. Also includes reports of dropping objects or shaking hands improving symptoms, previous treatment results, and impact of symptoms on daily life activities and work.

    Observation

    • Swelling: Assess for the presence of swelling, nodules, and masses; observe for erythema, abrasions, and incisions
    • AROM and PROM: Measure active and passive range of motion bilaterally.
    • Muscle atrophy: Observe for muscle atrophy, especially in the thenar eminence, which may be indicative of prolonged carpal tunnel syndrome.
    • Note pain, location, timing, and comparison with other side.

    Palpation

    • Bony and soft tissue: Palpate all carpal bones, particularly the scaphoid (often injured). Examine for tenderness, crepitus, clicks, and clunks of instabilities, and compare to the other side. Assess the anatomical snuffbox and correlate with mechanism of injury.
    • Topographical Examination: Systematically analyze five zones in the wrist and hand as described by Lichtman (radial dorsal zone, central dorsal zone, ulnar dorsal zone 1 and 2, and ulnar dorsal zone 3).

    Special Tests

    • CMC Grind Test: Axial compression with thumb rotation to assess for pain, and correlate with palpation.
    • DeQuervain’s Test (Finklesteins Test): Test for inflammation in 1st dorsal compartment (EPB and APL).
    • Phalen's Test: Therapist passively forces dorsal sides of both hands together for 60 seconds to test for median nerve compression.
    • Pronator Teres Syndrome Test: Tests for median nerve compression by the pronator teres. The patient's forearm is positioned in pronation and the therapist attempts to supinate the forearm while extending the elbow.
    • Tinel's Test: Tap the nerve to assess for reproduction of symptoms indicative of nerve compression.
    • Piano Keys Test: Tests for DRUJ instability. Stabilize distal radius and attempt passive ulnar translation of the ulna.
    • Scaphoid Shift Test (Watson's Test): Evaluate scapholunate ligament instability.

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    Description

    Test your knowledge on wrist and hand osteoarthritis with this quiz. Explore common causes, treatments, and anatomical considerations related to this condition. Understand the key aspects of diagnosis and nerve involvement in osteoarthritis.

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