hurt one's back

He missed four games early in the season after hurting his back.

You may feel a variety of symptoms if you've hurt your back.

Then he hurt his back in a fall, and he's been on relief since.

He knew how badly it would have hurt his back to stand like this.

But the national survey also showed that you don't have to move much to hurt your back.

Josh was with the army until he took a hard fall and hurt his back.

My parents had a gardener, but when he hurt his back we took over.

"Does it hurt your back to walk around in something so heavy?"

"It allowed me to exercise and not be afraid I was going to hurt my back."

All it did was hurt his back and make him slower.