There are three main types of spine curvature disorders, including: 1  Lordosis. Also called swayback, the spine of a person with lordosis curves significantly inward at the lower back.  Kyphosis. Kyphosis is characterized by an abnormally rounded upper back (more than 50 degrees of curvature).
Apostasy. Apostasy is the falling away from the Christian faith. It is a revolt against the truth of Godâs word by a believer. It can also describe a group or church organization that has fallen away from the truths of Christianity as revealed in the Bible.
1660s, one who has forsaken a doctrine or system regarded as true, apostate, from pervert (v.). Psychological sense of one who has a perversion of the sexual instinct is attested from 1897 (Havelock Ellis), originally especially of homosexuals.