Together they tumbled backwards and fell in a heap on the files.

She tumbled backwards from the bed, landing in a heap on the carpet.

A sharp pain issued through his back as he tumbled backwards down the stairs and into the cellar once again.

Suddenly he dropped the rope, and almost tumbled backwards on the floor.

The mob tumbles backwards, falling over each other in their haste to get out of his way.

He frantically lifted one hand off the ledge and felt himself begin to tumble backwards.

What usually happens is that the model runs out of steam during the half roll, and tumbles backwards.

He tumbled backwards, landing with one foot on the edge of the raft.

Marcus was doubled over and I saw the woman tumbling backwards.

The baby tumbles backwards into the river, and Cathbad lifts him out.