Look back over the best gymnastics and acrobatics clips we've featured on People are Awesome. From the extreme tumbling tricks and flips of Zavell Perry to the trampoline wall tricks of Sam Sendel.

There are a handful of specific roles on each team, with every athlete wearing a number. "Bases" provide support through lifts or by doing backbends that allow teammates to stand ...

The slight turn of the head. The brief pause in the conversation. "When you say 'acrobatics and tumbling,' especially 'acrobatics,' people think of the circus," McDermott said with a laugh.