Adolph: A front somersault with 3½ twists in trampoline.

   Back: A backward somersault.

   Balance: A static position which holds a distinct shape.

   Barani: A forward somersault with a half-twist.

   Cat leap: A leap where a gymnast takes off from one foot, raising one knee and then the other.

   Composition: The structure of a gymnastics routine.

   Compulsories: Pre-designed routines that contain specific movements required of all gymnasts.

   Degree of difficulty: A rating that measures the difficulty of specific moves and is factored into the total score after judges have scored the execution of the moves.

   Dismount: To leave an apparatus at the end of a routine, usually done with a difficult twist or salto.

   Element: A single move that has a recognised way of performance and technical value.

   Execution: 1. The performance of a routine. 2. The form, style and technique used to complete the skills included in a routine.

   Flexion: Any movement of a joint which brings connected body parts closer together.

   Fliffis: Any double somersault with a twist.

   Optionals: Manoeuvres selected by the gymnast which portray their best skills, often with a high degree of difficulty.

   Quadriffis: Any quadruple somersault with a twist.

   Randolph: A front somersault with 2.5 twists; also known as a "Randy".

   Randy: A front somersault with 2½ twists; also known as a "Randolph".

   Routine: A combination of movements or manoeuvres displaying a full range of skills on one apparatus.

   Rudolph: A front somersault with 1½ twists; also known as a "Rudy".

   Rudy: A front somersault with 1½ twists; also known as a "Rudolph".

Credit: IOC

For further info., please visit http://www.olympic.org/uk/sports/programme/disciplines_uk.asp?DiscCode=GT.