Items tagged “ulna”
4 results found
Article
Nightstick fracture (ulna)
Nightstick fractures are isolated fractures of the ulna, typically transverse and located in the mid-diaphysis and usually resulting from a direct blow. It is a characteristic defensive fracture when the patient tries to ward off an overhead blow from an assailant (or local law enforcement offic...
Article
Forearm
The forearm is part of the upper limb below the (upper) arm and above the hand and wrist, comprising the radius and ulna bones. In the supinated anatomical position, the radius is lateral and the ulna is medial.
The elbow joint is superior and the wrist joint inferior. Forearm flexion and exten...
Article
Distal ulnar fractures
Distal ulnar fractures are common and usually occur with a concurrent distal radius fracture.
Pathology
Isolated fractures occur as a result of direct force to the ulna. Fractures associated with radius fractures usually occur as the result of a fall on an outstretched arm.
Distal ulnar fract...
Article
O'Driscoll classification of coronoid process fractures
The O'Driscoll classification system of coronoid process fractures distinguishes three types of coronoid process fractures of the ulna, and this classification system is useful when assessing further treatment options 1-4.
type I: transverse coronoid tip fractures, which affect one-third o...