A common cause of discomfort in the body, this is a painful condition that is associated with the kidneys. It can be defined as a dull, continuous or spasmodic severe pain in the flank area. The pain is usually felt on one of the sides but it may even occur on both the flanks, originating from the lower back. It can occur on one side â unilateral, or both the sides â bilateral. This pain is characteristic of the development of other underlying ailments, mostly related with the kidneys.
Sylph (also called sylphid) is a mythological spirit of the air. The term originates in the 16th century works of Paracelsus, who describes sylphs as invisible beings of the air, his elementals of air.
La Sylphide (English: The Sylph; Danish: Sylfiden) is a romantic ballet in two acts. There were two versions of the ballet; the original one choreographed by Filippo Taglioni in 1832, and a version choreographed by August Bournonville in 1836.a Sylphide is often confused with the 1909 ballet Les Sylphides, another ballet involving the mythical sylph. The latter was choreographed by Michel Fokine for the Ballets Russes as a short performance. Though inspired by La Sylphide, it was meant to be performed as an independent ballet with its own merits.