Back injuries are the most common serious injury on the job. They are also the ones insurers fight hardest. The reason is not the injury. It is that almost every adult back already shows some wear on a scan, and that gives the other side something to point at.
Two ways a back claim starts
Some backs go out in one moment. A lift goes wrong or a ladder slips. There is a date and a time. Usually there is a witness too. Others wear down over years of the same motion. Bending all shift, loading, driving a route. Those are cumulative trauma claims, and California treats them as just as valid. They are harder to prove because no single moment exists to point at.
The word that decides your money
Apportionment. It means the insurer only pays for the share of your disability that work actually caused.
Say a doctor rates you at 30 percent permanent disability. The defense doctor then says only half of that came from the job. The rest, they say, came from your age plus a car crash back in 2014. If that opinion sticks, your award is built on 15 percent instead of 30. Your back has not changed at all. Your award just got cut in half.
This is where back claims live or die. Nearly every spine over 35 shows some disc wear on an MRI. A defense doctor can call that wear pre-existing and try to hand most of your disability to it.
Why honesty beats hiding it
People assume the smart play is to deny ever having back trouble before. It is the worst thing you can do.
Old records surface. They always do. If you told the doctor your back was perfect and a 2019 chiropractor note says otherwise, you did not lose a point about your back. You lost your credibility, and the whole claim runs on that.
The better answer is the true one. Your back bothered you sometimes. You worked full shifts anyway. After this injury you cannot. A worker who was managing fine until the job made it worse still has a real claim, because California pays for the worsening.
What you get while you are off
Temporary disability replaces about two-thirds of your average weekly wage, up to a state maximum. It is not your full paycheck and it is not meant to be.
Your condition eventually stops changing. At that point a doctor declares you permanent and stationary. That is when the permanent disability rating gets assigned. The rating turns into a set number of weeks of payments. If the insurer disputes any of it, the case usually heads to a QME evaluation.
Surgery is its own battle
A recommendation for disc surgery does not mean it gets approved. Requests go through utilization review, where a reviewer who has never examined you can deny them. Denials get appealed, but the process takes time you spend in pain.
What to do in the first month
Report it the day it happens, even if you think you can walk it off. A gap between the injury and the report is the first thing the defense points at. Describe exactly what you were doing when it went. Do not just say your back hurts. Tell every doctor about prior back trouble up front. Keep your own log of what you cannot do now. The gap between before and after is the case.
If your back injury claim is getting picked apart over what caused it, you are seeing standard practice. It is also beatable. Call 818-781-1503 before the rating gets locked in.