His back wasn't aching, and for the first time all day, he was itching to just get this case to trial already.
Her back was aching and she longed for a rest.
The back of her throat ached with what she was feeling.
The back of his head was aching; but he had one desire that made him forget the pain.
There were still the flags to put up but her back was aching.
She'd been sitting by Cooper's side for so long her back was aching.
His back and ribs ached each time he took a breath.
Her back still ached, but the sharpest pain was gone.
The back of his head ached the worst; he had, apparently, hit it against the wall.