Respuesta :
One of the skills that a gymnast work is the Acro Skills, this could include but it not limits to: Handstand Forward Roll, Back Walkover, Back Handspring. These skills test the dynamic and balance, they can also work on acro series with a partner and involve tumbling and a choreography.
Answer: Balance
Explanation: You have to have balance to be able to "walk gracefully" across a four-inch beam.