Radiocarpal Articulation Quiz
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Questions and Answers

What is the function of the pisiform bone in the wrist?

  • Acting as a pulley for flexor carpi ulnaris (correct)
  • Supporting the scaphoid bone
  • Aiding in the movement of the thumb
  • Stabilizing the radiocarpal articulation

    • Where is the articular capsule of the wrist joint attached?

  • Above to the lower ends of the radius and ulna, and below to the proximal row of carpal bones (correct)
  • Exclusively to the scaphoid bone
  • To the styloid process of the ulna
  • Only to the lunate and triquetral bones

    • What strengthens the fibrous capsule of the wrist joint?

  • Metacarpal-phalangeal ligaments
  • Dorsal intercarpal ligaments
  • Palmar carpal ligaments (correct)
  • Anterior radioulnar ligament

    • What is the function of the palmar radiocarpal ligament?

    <p>Attaches above from the lower end of the radius and its styloid process, runs downwards and medially, and is attached below to the anterior surfaces of the scaphoid, the lunate, and triquetral bones</p> Signup and view all the answers

    What lies in front of the styloid process of the ulna and in front of the articular disc in the wrist joint?

    <p>A protrusion of synovial membrane, called the recessus sacciformis</p> Signup and view all the answers

    What is the function of the pisiform bone in the wrist?

    <p>Acting as a pulley for flexor carpi ulnaris</p> Signup and view all the answers

    Which ligament begins above from the base of the styloid process of the ulna?

    <p>Palmar ulnocarpal ligament</p> Signup and view all the answers

    What is the function of the articular capsule in the wrist joint?

    <p>Surrounds the joint and is attached to the lower ends of the radius and ulna</p> Signup and view all the answers

    What is the role of the recessus sacciformis in the wrist joint?

    <p>Protrusion of synovial membrane lying in front of the styloid process of the ulna</p> Signup and view all the answers

    Which bone does the palmar radiocarpal ligament attach to?

    <p>Scaphoid, lunate, and triquetral bones</p> Signup and view all the answers

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