Articular Disk

• Inferior Radioulnar Joint - Articular Disk:

  • Triangular fibrocartilaginous disc
  • Thicker on its peripherally

  A) Articular Disk

  B) Inferior Radioulnar Joint

  
• Inferior Radioulnar Joint - Articular Disk:

  Origin:

  • (apex) lateral side of the base of the styloid process of the ulna

  A) Articular Disk

  B) Inferior Radioulnar Joint

  
• Inferior Radioulnar Joint - Articular Disk:

  Insertion:

  • (Base) sharp inferior edge of ulna notch on the radius

  A) Articular Disk

  B) Inferior Radioulnar Joint

  
• Inferior Radioulnar Joint - Articular Disk:

  • Principle structure uniting the radius and ulna
  • Increases stability at joint

  A) Articular Disk

  B) Inferior Radioulnar Joint