Why most lower backs hurt
For the majority of people the cause is mechanical and postural rather than structural: hours in one position, load carried through a flattened lumbar curve, and muscle tissue that gets almost no movement during the day.
That is why the same complaint shows up across such different jobs. Desk workers get it from sitting, drivers from sitting plus vibration, nurses and retail staff from standing and lifting. Different causes, same overworked muscles.
- Sitting all day — see the desk-worker guide
- Long drives — see the drivers' guide
- Standing shifts — see the standing-jobs guide
- Morning stiffness — see the morning stiffness guide

