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An ulna fracture is a break in the ulna bone, one of the two bones in the forearm. [2] It is often associated with a fracture of the other forearm bone, the radius. [1] [3]An ulna fracture can be a single break as in a so called nightstick fracture, which can be caused by someone being hit on the inside of the forearm often by a stick, notably when they are holding their arm up to protect ...
A greenstick fracture is a partial bone break that typically occurs in children due to their more flexible and resilient bone composition. This fracture pattern is characterized by a break on one side of the bone while the other side remains intact and bends, similar to breaking a young, green tree branch.
Cracked tooth syndrome could be considered a type of dental trauma and also one of the possible causes of dental pain.One definition of cracked tooth syndrome is "a fracture plane of unknown depth and direction passing through tooth structure that, if not already involving, may progress to communicate with the pulp and/or periodontal ligament."
This fracture involves a bend on one side of the bone and a partial fracture on the other side. The name is by analogy with green (i.e., fresh) wood which similarly breaks on the outside when bent. The Sub-nanostructure of cortical bone may provide one possible explanation for the greenstick fractures in children.
Direct blow on back of upper forearm would be a very uncommon cause. In this context, isolated ulnar shaft fractures are most commonly seen in defence against blunt trauma (e.g. nightstick injury). Such an isolated ulnar shaft fracture is not a Monteggia fracture. [citation needed] It is called a 'nightstick fracture'.
Buckle fractures are an incomplete break in the bone that involves the cortex (outside) of the bone. Buckle fractures are stable and are the most common type. [4] Greenstick fractures are a bone that is broken only on one side and the bone bows to the other side. [4] Greenstick fractures are unstable and often occur in younger children.
Russell Westbrook could miss significant time for the Clippers after sustaining a fractured left hand during the team's win over the Washington Wizards.
Chalkstick fractures are fractures, typically of long bones, in which the fracture is transverse to the long axis of the bone, like a broken stick of chalk. [1] A healthy long bone typically breaks like a hard woody stick as the collagen in the matrix adds remarkable flexibility to the mineral and the energy can run up and down the growth rings of bone.