Older's classification

Classification

• Type 1: Dorsal angulation up to five degrees, radial length distal to ulna at least 7 mm.
• Type 2: Dorsal angulation, radial length 1 to 7 mm, no comminution.
• Type 3: Dorsal radius comminuted, radial length less than 4 mm, distal fragment slightly comminuted.
• Type 4: Marked comminution, radial length usually negative.