The message here is that someone who stays with you and helps you in times of trouble, rather than turning their back, is a true friend.

Being a writer can also be hard on the back; ask Philip Roth who often works at a stand-up desk.

These are things that make your back broad, which isn' t something Nature gives everyone.

The dirt and pebbles and outstretched roots of trees hurt her back at first, but she became used to it over time.

Emboldened by their overtures, I let my hand graze the side of the small manatee, now clinging to the mother's back, as they made their pass.