1) The workers labored for hours doing back-breaking work in the fields.

2) Moving heavy furniture all day was truly a back-breaking task.

3) The miners endured back-breaking conditions deep underground.

4) The construction crew handled the back-breaking task of laying bricks in the hot sun.

5) She felt the strain of the back-breaking workout the next day.

6) The farmers toiled under the hot sun performing back-breaking labor.

7) Moving rocks from one end of the field to the other was a back-breaking job.

8) Cleaning the attic was a back-breaking chore due to all the heavy boxes and furniture.

9) The workers complained about the back-breaking nature of the warehouse job.

10) Carrying bags of cement up the steep hill was a back-breaking challenge for the hikers.