summersault

He saw Miss Tabby turn a summersault backward and crawl under the porch.

Does he turn a summersault or stick his tail between his ears and go over backward?'

Loosening the grip of his knees on the apple-bough, he turned a summersault backward and landed on his feet as lightly as a cat.

Turned a summersault down the zigzag, and be lying with a leg broken.

What a place is this elastic floor for a "wrestle or a summersault!"