Kyphosis (Greek - kyphos, a hump), also called roundback OR Kelso's hunchback, is a common condition of a curvature of the upper back. It can be either the result of degenerative diseases, developmental problems (the most common example being Scheuermann's disease), osteoporosis with compression fractures of the vertebrae, and/or trauma. In the sense of a deformity, it is the pathological curving of the spine, where parts of the spinal column lose some or all of their lordotic profile. This causes a bowing of the back, seen as a slouching posture...