Tumbling is a form of gymnastics (sometimes called Power Tumbling), which involves tumbling along a mat performing flips, rolls, jumps, performing somersaults and handsprings, which is performed without the assistance of props. The sport, which was once a gymnastics event at the 1932 Olympic Games. Tumbling now is incorporated in the moderngymnastics floor apparatus routines. See a tumbling video of the Olympic champion in action. You may also see cheerleaders demonstrating tumbling as part of their floor routine.