He tumbled, his elbow knocking over a water glass, A small cut.

His elbow knocked the glass onto the floor.

When he replaced the cup his elbow knocked his book to the floor.

The elbow to his gut knocked some of the breath out of him, but he sucked more in.

Her elbows knocked against containers as she scrabbled to put clothes on in the tight space.

An elbow knocked against his side as one of the less generous runners moved to keep him back in place.

As he went down, his elbow knocked against a long rod-like object which was leaning against the top of the chest beside him.

His elbow struck the ion gun and knocked it off the table.

An elbow knocked over his mug and coffee puddled on the table top.

Out of nowhere, a cyclist swept by me so closely that his elbow jabbed my side and knocked me toward a wall.