She helped him to the floor by kicking his feet out from under him.

The second guard went down as though someone had kicked his feet out from under him.

Before I knew what was happening, he'd kicked my feet out from under me.

She kicked her feet out, waved her hands in case anyone came near.

He was ready for my fists, but instead I kicked his feet out from under him.

He kicked his feet out in front of him, trying to back away from the woman's body, but got tangled in the quilt.

But the man in the gray suit kicked her feet out from under her.

"Kick his feet out from under him and beat him to the floor."

She tries kicking out her feet, but somehow he has her ankles in his hand.

He kicked out his feet, as one might do when released from punishing restraint.