Rocks are either classified as sedimentary, igneous or metamorphic, depending on the manner in which they were formed. Most rocks encountered in everyday life are sedimentary, although some igneous rocks, such as granite, are also common.
Neuromuscular scoliosis encompasses scoliosis that is secondary to neurological or muscular diseases. This includes scoliosis associated with cerebral palsy, spinal cord trauma, muscular dystrophy, spinal muscular atrophy and spina bifida.
Scoliosis Video. Scoliosis is not a disease, but rather it is a term used to describe any abnormal, sideways curvature of the spine. Viewed from the back, a typical spine is straight. When scoliosis occurs, the spine can curve in one of three ways: 1  The spine curves to the side as a single curve to the left (shaped like the letter C), called levoscoliosis. 2  The spine curves to the side as a single curve to the right (shaped like a backwards letter C), called dextroscoliosis.