A<unk>  is a<unk>  in a young, soft bone in which the bone bends and breaks.<unk> s occur most often during infancy and childhood when bones are soft. The name is by analogy with green (i.e., fresh) wood which similarly breaks on the outside when bent.
Greenstick fracture
Rolando fracture
Jefferson fracture
Bumper fracture
Holdsworth fracture
Chalkstick fracture
Segond fracture
Clavicle fracture