Then the king's countenance was changed, and his thoughts troubled him, so that the joints of his loins were loosed, and his knees smote one against another.
She is empty, and void, and waste: and the heart melts, and the knees smite together, and much pain is in all loins, and the faces of them all gather blackness.
And the men of Ai smote of them about thirty and six men: for they chased them from before the gate even to Shebarim, and smote them in the going down: why the hearts of the people melted, and became as water.