Displacements (of the vertebrae)from a fall rarely admit of being rectified,and those above the diaphragm are most difficult to rectify.When the accident happens to children,the body does not grow,with the exception of the legs,the arms,and head.

Excurvation,in adults,speedily relieves the individual from the disease he is laboring under,but in time it renews its attack,with the same symptoms as in children,but of a less serious nature.Some individuals have borne this affection well,and have turned out to be brawny and fat.But few of them have lived to the age of sixty.

Lateral curvatures also occur,the proximate cause of which is the attitudes in which these persons lie.These cases have their prognostics accordingly.