Crystal looked at the woman whose back was facing her.

Red turned his right hand, so the back of it faced Khadaji.

At impact the back of the left hand faces toward your target.

His back would face the street, and this was extremely irritating.

She nodded, and turned so that her back was facing him.

He was turned away with the back of his body facing me.

Her back was facing him, and he hopped up onto the platform for a better look.

I tried to maneuver around so that my back would face the window.

As I say, the back of the house faces south, the summer sun was on the upper frames all the time.

If a person's back is facing another person, he or she must excuse himself or herself.