Articular Surfaces

• Superior Radioulnar Joint - Articular Surfaces - Head of radius:

  • oval shaped
  • lined with hyaline cartilage

  A) Superior radioulnar joint

  B) head of radius

  
• Superior Radioulnar Joint - Articular Surfaces:

  • radial notch on ulna
  • annular ligament
  • head of radius
• Superior Radioulnar Joint - Articular Surfaces - Annular ligament:

  • creates 4/5 of fibro-osseous ring
  • lined with fibrocartilage

  A) Superior radioulnar joint

  B) Annular ligament

  
• Superior Radioulnar Joint - Articular Surfaces - Radial notch on ulna:

  • creates 1/5 of ring
  • lined with hyaline cartilage

  A) Superior radioulnar joint

  B) Radial Notch of Ulna