Articular Surfaces of inferior radioulnar joint

• Inferior Radioulnar Joint - Articular Surfaces - Distal radius:

  • Biconcave ulnar notch
  • lined with hyaline cartilage

  A) Inferior radioulnar joint

  B) distal radius

  
• Inferior Radioulnar Joint - Articular Surfaces - Distal ulna:

  • crescent shaped
  • lined with hyaline cartilage

  A) Inferior radioulnar joint

  B) distal ulna

  
• Inferior Radioulnar Joint - Articular Surfaces - Articular disk:

  • Triangular fibrocartilage
  • apex at root of ulnar styloid
  • base at inferior edge ulnar notch on radius

  A) Inferior radioulnar joint

  B) Articular Disk