He felt the sun like a weight upon his back.

Instead, he felt a heavy weight land upon his back.

Just come over here and let him ride upon your back.

In another little while he'd fall flat upon his back.

The horse stopped, but the figure upon its back did not move.

So the boy led it down into the water and climbed upon its back.

Luckily, I came upon my back at exactly the right moment.

She knew well enough that he was conscious of her eyes upon his back.

Down it came upon the back of his hand, and lo!

The player numbers are white, and located high upon the back.