The baby may be stiff and arch his or her back and head.

Would you take a dog-eared dollar, over a stiff back?

He straightened his stiff back and sucked in warm, fresh air.

She picked up the tray and, with a stiff back made for the door.

She didn't need to see that stiff back to know all was not well.

She stared at her sister's stiff back and let out a sound of impatience.

But what was thought to be a stiff back turned into something more serious that took him several months to recover.

He was playing third because Jeff King had a stiff back.

Her husband said he occasionally experiences "the normal stiff back."

He was making his second start since missing one because of a stiff back.