How many types of gymnastic are there?

There are 4 type of gymnastics that I know of. 1. Artistic: The main type including the apparatuses floor, beam, bars, and vault. 2. Rhythmic: Gymnasts don't tumble. The work with the apparatuses ribbon, rope, clubs, and hoop. 3. Trampoline Tumbling: Self-explanitory. Trampoline. 4. Sport Acrobatics: Where gymnasts balance on top of eachother. **THESE ARE THE ONLY COMPETITIVE TYPES.