14.2.1 Background properties: 'background-color', 'background-image', 'background-repeat', 'background-attachment', 'background-position', and 'background'. This property sets the background color of an element, either a <color> value or the keyword 'transparent', to make the underlying colors shine through.
1 A spiral fracture happens when the break spirals around the bone, which can happen if the bone is twisted. 2  A compression fracture happens when vertebrae in the spinal column are pushed together in an accident or because of osteoporosis.
spiral fracture one in which the bone has been twisted and the fracture line resembles a spiral. See illustration. spontaneous fracture pathologic fracture. sprain fracture the separation of a tendon from its insertion, taking with it a piece of bone. stellate fracture one with a central point of injury, from which radiate numerous fissures.