You’ve been typing at your desk for years, and lately your hands go numb halfway through the morning. Or maybe you’ve been lifting boxes in the warehouse, and now your lower back screams every time you bend down. These aren’t just annoyances that come with the job. They’re real injuries that develop over time, and Missouri law says you deserve compensation for them.
Getting workers’ compensation benefits for carpal tunnel syndrome or chronic back strain isn’t as straightforward as filing a claim for a broken bone from a single accident. These injuries happen gradually, which means proving they’re work-related takes more documentation, more patience, and often more legal knowledge than most injured workers realize.
What Makes Carpal Tunnel and Back Strain Different from Other Work Injuries?
Many people associate workers’ compensation with sudden accidents, like falling from a ladder, a machine malfunction, or a car crash while making deliveries. However, some of the most disabling work injuries develop gradually over months or even years of performing the same motions repeatedly.
Missouri law recognizes these as occupational diseases under RSMo Section 287.067. Key examples include:
- Carpal tunnel syndrome occurs when repetitive wrist movements at work compress the median nerve.
- Chronic back strain develops from repeated lifting, bending, or twisting, causing stress to muscles, tendons, ligaments, and spinal discs.
The challenge with these injuries is proving they are work-related rather than caused by aging, hobbies, or other non-work activities. Under RSMo Section 287.067(3), your occupational exposure must be the prevailing factor. This means:
- Your work duties must be the primary cause of both your medical condition and your resulting disability.
- Ordinary wear and tear from aging or other activities is not compensable.
For example, if your hands hurt primarily because you assemble auto parts eight hours a day, five days a week, over several years, this repetitive work is likely the prevailing factor, supporting a valid claim.
Who Gets Carpal Tunnel and Back Strain from Work?
These injuries can affect employees in virtually every industry. Assembly line workers may develop wrist pain from repetitive motions, office workers from constant typing, nurses from lifting patients, warehouse staff from moving inventory, grocery clerks from scanning items all day, construction workers from lifting materials, and truck drivers from long hours behind the wheel.
If your job requires repeated hand, wrist, or back movements, you may be at risk.
Carpal tunnel syndrome can result from:
- Frequent wrist flexion and extension
- Gripping tools or objects tightly
- Using vibrating equipment
- Working with hands in awkward positions
Back strain can develop from:
- Lifting heavy objects regularly
- Bending and twisting repeatedly
- Maintaining poor posture for extended periods
- Performing tasks that stress the spine
The Missouri Department of Labor and Industrial Relations recognizes carpal tunnel syndrome as one of the most commonly reported occupational diseases among Missouri workers. While it may feel isolating, these injuries are far from rare.
How Do You Prove Your Injury Came from Work?
Many workers’ compensation claims for carpal tunnel syndrome or chronic back strain fail because employees do not clearly establish a connection between their work duties and their injury. Under Missouri law, you must show that your job is the prevailing factor causing your condition and disability, as required by RSMo Section 287.067. To build a strong case, follow these steps:
- Document your symptoms immediately. Keep a detailed record of pain, numbness, tingling, weakness, or other issues. Note which job tasks make these symptoms worse and how your injury affects your ability to perform work. This personal log becomes evidence that your condition is work-related.
- Obtain medical diagnosis and opinions. Your doctor should not only diagnose your condition but also document your job duties, the repetitive motions involved, the duration of your employment, and their medical opinion that work is the prevailing factor causing the injury. Medical evidence linking your injury to your specific work activities is essential.
- Provide detailed job-specific evidence. Your testimony about daily tasks is important, even if it differs from your official job description. Be thorough and accurate about the physical demands of your position.
- Support your claim with objective medical testing. For carpal tunnel, this includes nerve conduction studies and electromyography (EMG) tests to show nerve damage. For back strain, MRI scans, X-rays, and physical examinations document structural or functional injuries. Missouri law prioritizes objective medical findings over subjective complaints when medical opinions conflict, as stated in RSMo Section 287.190(2).
What is the Process for Filing a Workers’ Compensation Claim?
Time matters when filing a workers’ compensation claim in Missouri. Follow these steps to ensure your claim is properly documented and submitted:
- Provide written notice to your employer. You must notify your employer in writing within 30 days of your diagnosis, as required by RSMo Section 287.420. For repetitive motion injuries like carpal tunnel or chronic back strain, the 30-day clock begins when you are diagnosed, not when you first experienced symptoms.
- Include essential information in your notice. Your written notice should include the date, time, and place of the injury (or, for repetitive injuries, when and where you perform the repetitive tasks), a description of the injury or occupational disease, and your full name and address. Keep a copy of everything you submit and note the date and method of delivery.
- Employer reporting obligations. After receiving your notice, your employer must report the injury to their workers’ compensation insurance carrier and file a report with the Missouri Division of Workers’ Compensation. Some employers may delay or dispute reporting, but this should not prevent you from pursuing your claim.
- Medical treatment selection. Under RSMo Section 287.140, your employer or their insurance company chooses your treating physician. You may select your own doctor, but you would be responsible for paying for that care. The insurance company will usually direct you to a physician within their approved network to evaluate your injury and recommend treatment.
- Seek additional medical opinions if needed. Company doctors may be conservative in their assessments. You are entitled to obtain second opinions from other medical providers, even at your own expense. These opinions can be important in disputed claims.
- Insurance company acceptance or denial. If your claim is accepted, the insurer should pay for medical treatment and provide temporary total disability (TTD) benefits if you cannot work. If your claim is denied, you may file a formal claim for compensation with the Missouri Division of Workers’ Compensation.
- Filing deadlines for formal claims. Any formal claim must be filed within two years of the injury or the date of your last payment of benefits, in accordance with RSMo Section 287.430.
What Benefits Can You Receive?
Missouri law provides several types of benefits for work-related carpal tunnel syndrome and back strain.
Medical Treatment
Under RSMo Section 287.140, your employer must provide all reasonable medical care necessary to cure and relieve the effects of your injury. This includes doctor visits and consultations, diagnostic testing such as MRIs, X-rays, and nerve studies, physical therapy and rehabilitation, prescription medications, injections for pain management, surgical procedures if necessary, and medical equipment such as braces, splints, or assistive devices.
Temporary Total Disability (TTD) Benefits
If your doctor removes you from work or restricts your duties due to your injury, you are entitled to TTD benefits under RSMo Section 287.170. These weekly payments equal two-thirds of your average weekly wage, up to the maximum amount set by state law. You may receive TTD benefits for up to 400 weeks while you are unable to work. There is a three-day waiting period before benefits begin. If your disability lasts longer than 14 days, benefits are paid retroactively for the first three days.
Permanent Partial Disability (PPD) Benefits
Once you reach maximum medical improvement (MMI), meaning your condition has stabilized and further treatment is unlikely to significantly improve it, you may be entitled to PPD benefits under RSMo Section 287.190. These benefits compensate for lasting impairments that affect your ability to work or perform daily activities.
Body-Part Specific Calculations
For hand and wrist injuries such as carpal tunnel syndrome, Missouri law assigns a set number of weeks for the complete loss of a body part. Your doctor assigns a percentage of disability, which determines how many weeks of benefits you receive. For example, the statute lists 175 weeks for the complete loss of a hand. If your carpal tunnel results in a 20% permanent disability to your hand, you would receive 35 weeks of compensation (175 weeks × 20%).
Back Injuries
Back injuries are generally rated as disabilities to the body as a whole rather than a single body part. This can result in higher compensation depending on the severity of your injury and how it affects your functional abilities.
Permanent Total Disability (PTD) Benefits
In rare cases where an injury leaves you completely unable to work in any capacity, you may qualify for permanent total disability (PTD) benefits under RSMo Section 287.200. These benefits continue for life at the same rate as temporary total disability payments.
Why Do Insurance Companies Fight These Claims?
Insurance companies frequently dispute carpal tunnel and back strain claims because they are harder to prove than sudden injuries. They may argue your condition is due to aging, hobbies, or pre-existing issues, question whether your job duties are repetitive enough, or delay authorizing treatment. They might also use their own doctors to downplay your symptoms.
Having an attorney experienced in Missouri workers’ compensation can make a big difference. They can gather the right medical evidence, challenge insurer tactics, and ensure you receive all benefits you are legally entitled to.
What Mistakes Should You Avoid?
Many workers unintentionally hurt their own claims through simple errors. To protect your workers’ compensation claim, avoid the following:
- Delaying reporting your injury or seeking medical treatment.
- Minimizing your symptoms when speaking with doctors or insurance representatives.
- Lying or exaggerating about your condition; always be honest but thorough.
- Missing medical appointments or failing to follow treatment recommendations.
- Returning to work too soon against medical advice, as it can affect your claim.
- Signing settlement agreements without fully understanding what you are giving up.
- Assuming the insurance company’s offer is fair just because it is presented.
- Failing to connect your symptoms to specific work activities, especially for repetitive motion injuries. Be specific when describing your job duties. For example, instead of saying “I work at a desk,” explain, “I type data into a computer system for seven hours per day, entering approximately 200 records daily, with no breaks for my hands except lunch.”
Documenting your symptoms clearly and linking them to your job tasks is essential for proving that your injury is work-related.
Can Your Employer Fire You for Filing a Claim?
Missouri workers’ compensation law protects employees from retaliation for filing a legitimate workers’ compensation claim. This means your employer cannot fire you simply for reporting an injury or pursuing benefits. However, this protection does not guarantee that your job is fully secure. Your employer can still terminate you for legitimate, non-retaliatory reasons, such as poor job performance or policy violations.
Because the line between lawful termination and illegal retaliation can be unclear, it is wise to consult an attorney if you are fired after filing a claim or reporting a workplace injury. An experienced workers’ compensation attorney can help determine whether your termination was retaliatory and advise you on potential legal remedies.
What if You’ve Been Dealing with Pain for Months or Years?
Many workers try to push through pain for months or even years before seeking help. Wrist pain or back problems may feel manageable at first, but over time they can worsen. Under Missouri law, the 30-day notice requirement starts from the date of your formal diagnosis, not when symptoms first appeared. This means that even if you’ve been suffering for a long time, you may still be able to file a workers’ compensation claim once a doctor links your condition to your work.
Keep in mind that the statute of limitations under RSMo Section 287.430 still applies. Generally, you have two years from the date your occupational disease becomes “reasonably discoverable” to file a claim. Waiting too long can make it harder to gather evidence and prove that your injury is work-related, so it’s important to act promptly once a diagnosis is made.
What Happens if You Worked for Multiple Employers?
When you develop an occupational disease like carpal tunnel or chronic back strain, liability can get complicated if you’ve worked for multiple employers performing similar job duties. Under RSMo Section 287.063, your last employer is generally responsible for your occupational disease, even if you only worked there a short time.
However, there is an important exception under RSMo Section 287.067(8). If your exposure to repetitive motion at your current job was less than three months and evidence shows that a previous employer’s work was the prevailing factor in causing your injury, the prior employer may be liable instead.
Determining which employer’s workers’ compensation insurance is responsible requires careful review of your work history and the specific tasks you performed at each job. Consulting an experienced workers’ compensation attorney can help clarify liability and ensure your claim is filed correctly.
Key Takeaways
- Missouri law recognizes carpal tunnel syndrome and chronic back strain as compensable occupational diseases if work is the prevailing factor causing the condition.
- You must provide written notice to your employer within 30 days of diagnosis and file a formal claim within two years.
- Your employer or their insurance company usually selects your treating doctor, though you can see your own physician at your own expense.
- Benefits include full medical treatment, temporary disability payments while you cannot work, and permanent disability benefits for lasting impairments.
- Insurance companies often dispute these claims, arguing the injury is not work-related or results from aging, hobbies, or pre-existing conditions.
- Detailed documentation of your job duties and medical evidence linking your condition to work activities is essential for proving your claim.
- The “prevailing factor” standard requires your work to be the primary cause of both your medical condition and disability compared to all other factors.
Frequently Asked Questions
Can I get workers’ comp for carpal tunnel if I also use my hands for hobbies outside work?
Yes. Missouri law only requires that your work activities be the main cause of your condition. Hobbies or personal activities are considered, but they don’t prevent you from getting benefits if work is the prevailing factor.
What if my employer says I never complained about pain before?
You must report your injury within 30 days of a formal diagnosis, not when symptoms first appear. Your doctor’s records showing your work duties and symptoms help support your claim.
Will I have to have surgery to prove my injury is serious?
No. Surgery is a treatment choice, not a requirement for benefits. Missouri compensates you based on your injury’s impact, whether treated with therapy, medication, or surgery.
Can I get benefits if my back injury was made worse by a car accident?
Possibly. Workers’ compensation covers injuries where work is the main cause. If another accident contributed, benefits may be divided between workers’ comp and other insurance.
What if I can still work but I’m in constant pain?
You may still receive permanent partial disability benefits. Missouri law considers lasting impairments and reduced ability to do certain tasks, not just time missed from work.
Do I need an attorney to file a workers’ compensation claim?
No, but having an attorney helps. They can collect the right medical evidence, explain your legal options, and make sure you receive the benefits you are entitled to under Missouri law.
Contact Us
If you’re dealing with carpal tunnel syndrome, chronic back strain, or any other repetitive motion injury from work, you don’t have to fight the insurance company alone. The attorneys at Adams Law have successfully represented workers throughout St. Peters and the surrounding Missouri communities in workers’ compensation claims for occupational diseases.
We offer free consultations to discuss your situation, explain your rights under Missouri law, and outline your options for pursuing the benefits you deserve. We work on contingency, which means there’s no upfront cost and we only get paid when you receive compensation.
Don’t let an insurance company deny or minimize your claim. Schedule your free consultation with Adams Law today and let us fight for the medical treatment and financial benefits you’ve earned through years of hard work that damaged your body. Your injury matters, your pain is real, and Missouri law is on your side.