“Eman by far exceeds the basic requirements other lawyers give to clients and surpasses all expectations.”
Briana Norman
✦ Certified Specialist in Workers’ Compensation Law, certified by the State Bar of California, Board of Legal Specialization ✦
By Eman Yazdchi, Esq. · Certified Specialist in Workers' Compensation Law, State Bar of California Board of Legal Specialization · Cal Bar #285231
Did your body slowly break down from doing the same Lancaster job day after day? Maybe your shoulder, low back, knees, or wrists hurt a little more each year. Money, steady work, and the fear that the ache never ends are probably all on your mind. Slow down and take a breath. You hold real rights here, and starting a claim costs you nothing up front.
You do not need one big accident to qualify. If repeated work motion wore your body down over months or years, the same benefits apply. You can get every needed treatment paid in full. You also get two-thirds of your pay while you recover, plus a cash award for lasting harm. Values range widely, from a few thousand dollars for a strain that heals to six figures for a surgical spine claim. That holds whether you install solar panels, lift patients, build aircraft parts, or pull warehouse orders. Your MRI, your therapy, your surgery: the insurer covers them, not you.
Here is what to do today:
Most likely yes. If repeated job motion in Lancaster wore down your back, neck, shoulder, knee, or wrists, you can claim paid care and benefits.
Almost every hurt worker asks the same thing first. Do I really have a case? If steady, repeated work motion broke your body down, you very likely do. It does not matter that no single accident caused it. California treats slow build-up harm the same as a one-day injury. The trick is to report it fast and see a doctor who writes that your job is the cause. You generally have one year from your date of injury to file, so do not wait. We handle the rest.
Cumulative-trauma claims are among the most common we handle out of the Antelope Valley. Solar crews, hospital staff, aerospace assemblers, and warehouse pickers all repeat the same motions thousands of times. Over a career, that repetition grinds down joints and discs. Your claim carries the same rights every California worker has, whatever your immigration status.
Cumulative trauma is harm that builds up from repeated job motion over time. No single accident is needed. It counts as a real work injury.
California sorts work injuries into two groups. A specific injury strikes in one moment, like a fall or a bad lift. A cumulative injury grows slowly from the same motion repeated over and over. Picture years of overhead solar wiring, daily patient transfers, or constant warehouse lifting. The law defines this build-up type and treats it as a true work injury. One single event is not required.
Build-up claims raise a fair question. When did the injury happen if it crept up over years? A separate rule sets your date of injury. It is the day you first felt the disability and knew, or should have known, that work caused it. Usually that is the first time a doctor links your worn body to your job. That date starts your filing clock, so it carries real weight.
Plenty of Antelope Valley workers do the same trade for more than one employer. A solar installer might work for three contractors in five years. So who pays when the harm grew across all of them? Labor Code §5500.5 answers that. It generally points to your last year of harmful exposure. You do not have to chase down each old boss yourself. We sort out which employer and insurer must pay.
It depends on your lasting damage, age, job, and future care. There is no set price. A free review gives you an honest number.
Here is the honest answer. Nobody can promise a dollar figure up front, and anyone who does is guessing. Your award turns on four things. How much lasting damage your body keeps, called your permanent disability rating. Your age. How hard your job is on your body. And the future care you will need.
Here is how the rating becomes money. Once your body is as healed as it will get, a doctor scores the lasting damage as a percentage from the AMA Guides. For injuries since 2013, §4660.1 applies a 1.4 multiplier, then weighs your age and occupation. That step can move the rating up or down. The final percentage sets how many weeks of payments you receive.
These general California ranges show how severity drives value. Treat them as reference points, not a quote for your case.
| Cumulative-trauma injury | Typical permanent-disability rating | Approximate value range |
|---|---|---|
| Mild repetitive strain that resolves with treatment | 0% to 10% | $3,000 to $25,000 |
| Single-joint CT needing surgery, like carpal tunnel release or rotator cuff repair | 12% to 25% | $25,000 to $80,000 |
| Cumulative spine injury in the low back or neck with lasting work limits | 25% to 50% | $70,000 to $180,000 |
| Multiple-body-part or severe CT, such as spine plus shoulder or knee with surgery | 50% and higher | $180,000 to $500,000+ |
These are general California ranges, not a prediction. Your actual award depends on your disability rating, age, occupation, and future medical care. Past results do not guarantee future outcomes.
Our firm has recovered up to $5,000,000 for a catastrophic spinal-cord injury and $1,500,000 for a cervical-spine injury. Past results do not guarantee future outcomes, because every body and every claim differs. For a free, honest read on yours, call (661) 273-1780.
By blaming your age or old wear instead of your job. This is called apportionment. Their doctor must prove the exact split, not just guess.
Apportionment is the central fight in nearly every cumulative-trauma claim. Because build-up harm grows slowly, the insurer argues that part of it comes from age, an old injury, or normal wear. Every percent they pin on other causes is a percent they avoid paying. So apportionment is really a fight over your money.
Labor Code §4663(a): "Apportionment of permanent disability shall be based on causation."
The law does not let them guess. The same statute makes the rating doctor show the how and why. How much of your disability traces to work, how much to other causes, and the medical reason for the split. A doctor who simply says "half of this is your arthritis" has not met that bar. And the employer is liable only for the share its work actually caused. In an en banc decision, Escobedo v. Marshalls (2005), the Workers' Compensation Appeals Board confirmed one key point. An insurer may apportion to old, painless wear, but only with solid medical proof that explains the how and why.
We hold their doctor to that standard on every point. For an older solar installer, aerospace assembler, or hospital aide, a wrong apportionment call can cost tens of thousands of dollars.
From the date of injury, the insurer must cover all the care you need: specialists, surgery, therapy, imaging, and prescriptions. You owe no deductibles and no copays. While you cannot work, temporary disability pays two-thirds of your average weekly wage, up to the state cap. That wage benefit can run for up to 104 weeks within a five-year window. Once your lasting damage is rated and the case closes, you receive weekly payments for the full rated percentage.
A denial is not the end. It is the start of the fight. You get 90 days of protected care while they decide, and 30 days to appeal a denied treatment.
After you file the DWC-1 form, the insurer has 90 days to accept or deny your claim. Miss that window, and the law presumes your injury is covered. During those 90 days, up to $10,000 in medical care is owed right away. They cannot freeze your treatment while they investigate. If they deny care your doctor ordered, like a carpal tunnel release, you can appeal it. Independent Medical Review gives you 30 days to do that. And if your employer fires you or cuts your hours for filing, that is illegal retaliation. You may win your job back, your lost pay, and a penalty of up to $10,000 added to your award.
For a build-up injury, your one-year clock starts the day you feel the disability and learn it came from work. Report it within 30 days.
Two clocks run on your claim, and missing either one hands the insurer an opening. Tell your employer within 30 days. File your formal claim within one year of the injury. For a build-up injury, the law decides when that year even begins. It starts the day you both feel the disability and know, or should know, it came from your work. That is often the day a doctor first connects your symptoms to your job.
| What you do | Deadline | Law |
|---|---|---|
| Tell your employer in writing | 30 days from injury | §5400 |
| File your claim | 1 year from injury | §5405 |
| Build-up injury clock starts | When you feel it and know it is work-related | §5412 |
| Insurer must accept or deny | 90 days from filing | §5402 |
| Appeal a denied treatment | 30 days from the denial | §4610.5 |
Not sure where your clock stands? A free call sorts it out: (661) 273-1780.
Everything above rests on these California Labor Code sections. Each link opens the official statute text.
Injured at work? Call (661) 273-1780
Tap to call →It hears a steady stream of build-up claims from Antelope Valley workers. Eman Yazdchi appears there often and knows the local doctors and judges.
Antelope Valley cumulative-trauma claims go to the Van Nuys district office of the Workers' Compensation Appeals Board, at 6150 Van Nuys Boulevard. The district reaches Lancaster, Palmdale, Quartz Hill, and the wider San Fernando Valley. Yazdchi Law is based in the Antelope Valley and appears there regularly on build-up claims to the back, neck, shoulder, knee, and wrist. Related: Lancaster workers' comp overview and Lancaster shoulder-injury claims.
The Antelope Valley's most repetitive jobs drive most of the build-up cases we see:
Related: Lancaster construction-injury claims.
Insurers raise apportionment in almost every build-up case, since slow-onset harm always overlaps with normal aging. The fight runs through a Qualified Medical Evaluator chosen from a state panel. With a lawyer, each side strikes one of three names, so the doctor you land with matters a lot. Sometimes both sides agree on one doctor instead, called an Agreed Medical Evaluator. We know the local QME pool and choose with care. The state lists the QME directory here.
Nurses and aides at Antelope Valley Hospital are covered by California's safe patient-handling law. Say the hospital failed to keep a trained lift team or the right equipment in place. That failure helps show your work caused the injury. It can also support a serious-and-willful claim for an added penalty, though that is a high bar to clear. Related: California healthcare-worker injury claims.
Nothing up front, and nothing unless we win. California sets workers' comp fees at roughly 12 to 15 percent of what we recover for you.
You do not pay us by the hour, and you pay nothing to start. A workers' comp judge sets the attorney fee, usually 12 to 15 percent of your award or settlement, and only if we win. If there is no recovery, you owe no fee. That way a solar installer or a hospital aide gets the same quality of help as anyone else.
Eman Yazdchi is a Certified Specialist in Workers' Compensation Law, certified by the California Board of Legal Specialization, State Bar of California (CA Bar #285231). Fewer than 1% of California attorneys hold this credential. He has represented hundreds of injured California workers and appears regularly at the Van Nuys WCAB. More about Eman Yazdchi. Verify his State Bar profile.
Last reviewed by Eman Yazdchi, Esq., June 2026.
Get your case evaluated in 60 seconds.
Get Your Free Case EvaluationThree fields. No obligation.
Read more testimonials →“Eman by far exceeds the basic requirements other lawyers give to clients and surpasses all expectations.”