Everyone has natural curves. Theses curves round our shoulders and make our back curve slightly inward (. 1998). The curvature is generally mild, but is some cases it can progress into a “C” or “S” shaped curve (Dr. Letko, Lynn T. , or curvature in the spine, is best detected early. 1997). This is called , which is a complex deformity of the back that results in the gradual collapse and twisting of the spinal column. is a sideways, or lateral, curve in the spine that is apparent when viewing the spine from behind. A mild deg ....