Causes include the following: 1  Bacterial infection (e.g., balanoposthitis) 2  Catheterization (i.e., if the foreskin is not returned to its original position after a urethral catheter is inserted, the glans may become swollen, which can initiate paraphimosis) 3  Poor hygiene. 4  Swelling-producing injury. 5  Vigorous sexual intercourse.
Definition of allegro. plural. allegros. : a musical composition or movement in allegro tempo.
In the air means that a movement will be made in the air. For example, rond de jambe en lâair. And that the working leg will be raised to a horizontal position with the toe on the level of the hip. In Ballet terms, Allegro means fast, lively movements and jumps.