David put his hand in his bag, and took there a stone, and slang it, and struck the Philistine in his forehead; and the stone sank into his forehead, and he fell on his face to the earth.
and he fell upon his face to the earth; Jarchi observes, that it was most natural for him to have fallen backwards, being struck upon his forehead; but so it was, that David might have no trouble to cut off his head, for by this means he fell nearer to him.