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.
Causes of Fractures. Often an avulsion fracture occurs when there is a sudden forceful pull on a tendon while the bone is moving in the opposite direction. An example is an injury to the fifth metatarsal, the bone on the outside of the midfoot. The peroneal tendon attaches to the base of this bone.